CN105216516A - A kind of dust suction blackboard eraser for environmental protection - Google Patents
A kind of dust suction blackboard eraser for environmental protection Download PDFInfo
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- CN105216516A CN105216516A CN201510747051.5A CN201510747051A CN105216516A CN 105216516 A CN105216516 A CN 105216516A CN 201510747051 A CN201510747051 A CN 201510747051A CN 105216516 A CN105216516 A CN 105216516A
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- blackboard eraser
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- dust suction
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Abstract
A kind of dust suction blackboard eraser for environmental protection, comprises blackboard eraser plate body and felt layers, and the upper plate of blackboard eraser plate body, lower plate and side plate surround a liquid storage cylinder.The sidewall of the sidewall of the upper plenum of liquid storage cylinder and the lower cavity of liquid storage cylinder is provided with inlet.Upper plenum and lower cavity are respectively used to deposit cleaning agent and dust adsorption agent.Described upper plate, transverse slat and lower plate are respectively arranged with the first through hole, the second through hole and third through-hole.Blackboard eraser plate body is also provided with switch valve rod, and switch valve rod is inserted from upper plate top, through the first through hole and the second through hole, and inserts in third through-hole.Blackboard eraser plate body is also provided with capillary, and the bottom of capillary is provided with the ball valve of the rear trickle of extruding.The upper end of capillary is stretched in upper plenum, and lower end extends in felt layers.Above-mentioned a kind of dust suction blackboard eraser for environmental protection, user of service can make lotion or dedusting agent flow into felt layers easily, carries out cleaning and dust removal process, and preventing dust from descending slowly and lightly affects teachers and students' health in atmosphere.
Description
Technical field
The present invention relates to a kind of blackboard eraser, be specifically related to the blackboard eraser for environmental protection of a kind of convenient cleaning and energy dedusting.
Background technology
In existing teaching process, chalk is the most used teaching aid of current classroom teaching, comes to lecture knowledge to students by the mode of chalk-writing, is simple and generally accepts by everybody and be easy to one of teaching method used.In the use procedure of chalk, chalk powder brings much harm to the teacher being engaged in educational undertaking and the student that listens to the teacher.Along with the quickening of social progress and social rhythm, the sick rate of teaching profession is in the trend risen year by year, occupational disease presents diversified future development, and wherein the pneumoconiosis that causes of dust and various acute and chronic breathing problem are main at present, the most serious and the most a kind of occupational disease of harm.And to solve dust problem key be control on source, the blackboard eraser great majority generally used now felt and plank are carried out combination to fix, although greatly reduce cost, pick-up performance is not good, and is not easy to wipe clean.Dust is always dense around teachers and students' health, and in the quiet middle health damaging human body.So, produce a kind of can effectively dust suction, with low cost and the blackboard eraser of energy-conserving and environment-protective is very urgent.
Summary of the invention
Adopting to solve in prior art the problem that in chalk teaching process, dust is too much, the invention provides a kind of dust suction blackboard eraser for environmental protection of a kind of convenient cleaning and energy dedusting.
A kind of dust suction blackboard eraser for environmental protection, comprises blackboard eraser plate body and is fixed on the felt layers of blackboard eraser plate body bottom, and described blackboard eraser plate body comprises 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 cylinder.Be provided with transverse slat in liquid storage cylinder, liquid storage cylinder is divided into upper plenum and lower cavity two parts by transverse slat.Upper plenum and lower cavity are respectively used to deposit cleaning agent and dust adsorption agent.Described upper plate, transverse slat and lower plate are respectively arranged with the first through hole, the second through hole and third through-hole; Blackboard eraser plate body is also provided with switch valve rod, and switch valve rod is inserted from upper plate top, through the first through hole and the second through hole, and inserts in third through-hole.Described blackboard eraser plate body is also provided with capillary, and the upper end of capillary is stretched in upper plenum, and the lower end of capillary is through transverse slat and lower plate and extend in felt layers.
Preferably, between described first through hole and switch valve rod, sealing ring is provided with between the second through hole and switch valve rod.The setting of described sealing ring, can prevent the liquid in upper plenum from flowing into lower cavity or flowing out from the first through hole; Meanwhile, also can prevent liquid from flowing into upper plenum from lower cavity.
Preferably, be also provided with sealed tube between described first through hole and the second through hole, switch valve rod, through sealed tube, is provided with sealing ring between switch valve rod and sealed tube.The setting of described sealed tube, can prevent the liquid in upper plenum from flowing out from the first through hole and the second through hole.The setting of described sealing ring, can prevent the liquid in lower cavity from entering the top of sealed tube.
Preferably, described switch valve rod has four, each switch valve rod is provided with the collar conveniently pointed and stretch into.Described four switch valve rod, all can enter the valve of felt layers as lower empty intracavity liquid.The setting of the described collar, can facilitate finger to stretch into, and then human users's switch valve rod easy to use.
Preferred again, the forward upper of described side plate is provided with the first groove placing thumb, and the upper back of described side plate 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 user of service uses, thumb is positioned at the first groove, and forefinger, middle finger, the third finger and little finger of toe are each passed through the collar and are placed in the second groove, and personnel easy to use are hand-held.
Preferably, the bottom of described capillary is provided with liquid outlet, the ball valve after the lower end of liquid outlet is provided with extruding, liquid being flowed out.Described ball valve can at suction pipe lower contacts blackboard surface, and when ball valve and blackboard surface contact squeeze, ball valve is opened, and the liquid in upper plenum flows out from ball valve and enters felt layers.
Preferably, described capillary is rigid pipe, and the upper end of capillary is concordant with the upper plane of transverse slat, and described capillary has multiple, and each capillary is vertically placed, and waveform is all lined up in the top and bottom of multiple capillary.
Preferably, the sidewall of described upper plenum and the sidewall of lower cavity are provided with inlet, and each inlet place is provided with sealing-plug.The setting of described inlet, personnel easy to use add cleaning agent and dedusting agent.
Preferably, described dedusting agent is positioned at upper plenum, and described dedusting agent comprises alcoholic solution and peppermint extract, and the volume fraction of described alcoholic solution is 95% ~ 99%, and the volume fraction of described peppermint extract is 1% ~ 5%; Described peppermint extract is obtained by following steps, first, gets 30 weight portion fresh mint leaves and puts into grinding vessel; Then, in grinding vessel, 3 weight parts of calcium carbonate powder are added; Subsequently, in grinding vessel, grind dried peppermint leaf, make it grind fully; Finally, the material ground out is filtered through gauze, filter out peppermint extract.
Preferably, described cleaning agent is positioned at lower cavity, and cleaning agent is mixed with by sodium carbonate, NaOH and alcoholic solution, and the addition of described sodium carbonate is 10g/L ~ 30g/L, and the addition of NaOH is 5g/L ~ 15g/L; Described alcoholic solution is the mixed liquor by water and alcohol, and the volume fraction of alcohol is 10% ~ 35%.
The present invention compared with prior art, has following beneficial effect:
Above-mentioned a kind of dust suction blackboard eraser for environmental protection, upper plenum and lower cavity are respectively used to deposit cleaning agent and dust adsorption agent, user of service can make lotion or dedusting agent flow into felt layers easily, carries out cleaning and dust removal process, and preventing dust from descending slowly and lightly affects teachers and students' health in atmosphere.
Accompanying drawing explanation
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 capillaries; 11 sealed tubes; 12 first grooves; 13 second grooves; 14 inlets.
Detailed description of the invention
Below in conjunction with 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, comprise blackboard eraser plate body and be fixed on the felt layers 1 of blackboard eraser plate body bottom, described blackboard eraser plate body comprises upper plate 2, lower plate 3 and around upper plate 2 and the lower plate side plate of 3 one weeks, and described upper plate 2, lower plate 3 and side plate surround a liquid storage cylinder.Be provided with transverse slat 4 in liquid storage cylinder, liquid storage cylinder is divided into upper plenum 5 and lower cavity 6 two parts by transverse slat 4.The sidewall of described upper plenum 5 and the sidewall of lower cavity 6 are provided with inlet 14, and each inlet 14 place is provided with sealing-plug.Upper plenum 5 and lower cavity 6 are respectively used to deposit cleaning agent and dust adsorption agent.Described upper plate 2, transverse slat 4 and lower plate 3 are respectively arranged with the first through hole, the second through hole and third through-hole; Blackboard eraser plate body is also provided with switch valve rod 7, and described switch valve rod 7 has four, each switch valve rod 7 is provided with the collar 8 conveniently pointed and stretch into; The forward upper of described side plate is provided with the first groove 12 placing thumb, and the upper back of described side plate is provided with four the second grooves, 13, four the second grooves 13 and is respectively used to place forefinger, middle finger, the third finger and little finger of toe.When user of service uses, thumb is positioned at the first groove 12, and forefinger, middle finger, the third finger and little finger of toe are each passed through the collar 8 and are placed in the second groove 13.Described switch valve rod 7 is inserted from upper plate 2 top, through the first through hole and the second through hole, and inserts in third through-hole.The bottom of described capillary 10 is provided with liquid outlet, the ball valve after the lower end of liquid outlet is provided with extruding, liquid being flowed out, and described capillary 10 can be the structure of similar ball pen; The upper end of capillary 10 is stretched in upper plenum 5, and the lower end of capillary 10 is through transverse slat 4 and lower plate 3 and extend in felt layers 1.Described capillary 10 is rigid pipes, and the upper end of capillary 10 is concordant with the upper plane of transverse slat 4, and described capillary 10 has multiple, and each capillary 10 is vertically placed, and waveform is all lined up in the top and bottom of multiple capillary 10.
Above-mentioned a kind of dust suction blackboard eraser for environmental protection, as shown in Figure 7, flow into lower cavity 6 to prevent the liquid in upper plenum 5 or flow out from the first through hole, also prevent liquid from flowing into upper plenum 5 from lower cavity 6 simultaneously, make following design: between the first through hole and switch valve rod 7, between the second through hole and switch valve rod 7, be provided with sealing ring 9.
Above-mentioned a kind of dust suction blackboard eraser for environmental protection, as shown in Figure 8, flow into lower cavity 6 to prevent the liquid in upper plenum 5 or flow out from the first through hole, also prevent liquid from flowing into upper plenum 5 from lower cavity 6 simultaneously, following design can also be made: between described first through hole and the second through hole, be also provided with sealed tube 11, switch valve rod 7, through sealed tube 11, is provided with sealing ring 9 between switch valve rod 7 and sealed tube 11.
Above-mentioned a kind of dust suction blackboard eraser for environmental protection, dedusting agent is positioned at upper plenum, and described dedusting agent comprises alcoholic solution and peppermint extract, and the volume fraction of described alcoholic solution is 95% ~ 99%, and the volume fraction of described peppermint extract is 1% ~ 5%; Described peppermint extract is obtained by following steps, first, gets 30 weight portion fresh mint leaves and puts into grinding vessel; Then, in grinding vessel, 3 weight parts of calcium carbonate powder are added; Subsequently, in grinding vessel, grind dried peppermint leaf, make it grind fully; Finally, the material ground out is filtered through gauze, filter out peppermint extract.
Above-mentioned a kind of dust suction blackboard eraser for environmental protection, cleaning agent is positioned at lower cavity, and cleaning agent is mixed with by sodium carbonate, NaOH and alcoholic solution, and the addition of described sodium carbonate is 10g/L ~ 30g/L, and the addition of NaOH is 5g/L ~ 15g/L; Described alcoholic solution is the mixed liquor by water and alcohol, and the volume fraction of alcohol is 10% ~ 35%.
Above-mentioned a kind of dust suction blackboard eraser for environmental protection, when user of service uses, can, by lifting finger, make switch valve rod 7 rise, and 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, 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 respectively used to deposit cleaning agent and dust adsorption agent, and cleaning agent or dedusting agent flow into felt layers 1, carry out cleaning and dust removal process, and preventing dust from descending slowly and lightly affects teachers and students' health in atmosphere.Above-mentioned a kind of dedusting agent and cleaning agent, described dedusting agent and cleaning agent have included alcohol, and after user of service uses, alcohol can volatilize fast, and then make felt layers keep relatively dry; Described peppermint extract can in and chalk powder and other peculiar smell; Be added with sodium carbonate and NaOH in described cleaning agent, cleaning agent can be made to have degerming effect.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited in above-mentioned citing, and the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (10)
1. a dust suction blackboard eraser for environmental protection, it is characterized in that, comprise blackboard eraser plate body and be fixed on the felt layers of blackboard eraser plate body bottom, described blackboard eraser plate body comprises 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 cylinder; Be provided with transverse slat in liquid storage cylinder, liquid storage cylinder is divided into upper plenum and lower cavity two parts by transverse slat; Upper plenum and lower cavity are respectively used to deposit cleaning agent and dust adsorption agent; Described upper plate, transverse slat and lower plate are respectively arranged with the first through hole, the second through hole and third through-hole; Blackboard eraser plate body is also provided with switch valve rod, and switch valve rod is inserted from upper plate top, through the first through hole and the second through hole, and inserts in third through-hole; Described blackboard eraser plate body is also provided with capillary, and the upper end of capillary is stretched in upper plenum, and the lower end of capillary is through transverse slat and lower plate and extend in felt layers.
2. a kind of dust suction blackboard eraser for environmental protection as claimed in claim 1, is characterized in that, between described first through hole and switch valve rod, is provided with sealing ring between the second through hole and switch valve rod.
3. a kind of dust suction blackboard eraser for environmental protection as claimed in claim 1, is characterized in that, is also provided with sealed tube between described first through hole and the second through hole, and switch valve rod, through sealed tube, is provided with sealing ring between switch valve rod and sealed tube.
4. a kind of dust suction blackboard eraser for environmental protection as described in claims 1 to 3 any one, it is characterized in that, described switch valve rod has four, each switch valve rod is provided with the collar conveniently pointed and stretch into.
5. a kind of dust suction blackboard eraser for environmental protection as claimed in claim 4, it is characterized in that, the forward upper of described side plate is provided with 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 respectively used to place 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, it is characterized in that, the bottom of described capillary is provided with liquid outlet, the ball valve after the lower end of liquid outlet is provided with extruding, liquid being flowed out.
7. a kind of dust suction blackboard eraser for environmental protection as claimed in claim 6, it is characterized in that, described capillary is rigid pipe, the upper end of capillary is concordant with the upper plane of transverse slat, described capillary has multiple, and each capillary is vertically placed, and waveform is all lined up in the top and bottom of multiple capillary.
8. a kind of dust suction blackboard eraser for environmental protection as claimed in claim 1, is characterized in that, the sidewall of described upper plenum and the sidewall of lower cavity are provided with inlet, and each inlet place is provided with sealing-plug.
9. a kind of dust suction blackboard eraser for environmental protection as claimed in claim 1, it is characterized in that, described dedusting agent is positioned at upper plenum, and dedusting agent comprises alcoholic solution and peppermint extract, the volume fraction of described alcoholic solution is 95% ~ 99%, and the volume fraction of described peppermint extract is 1% ~ 5%; Described peppermint extract is obtained by following steps, first, gets 30 weight portion fresh mint leaves and puts into grinding vessel; Then, in grinding vessel, 3 weight parts of calcium carbonate powder are added; Subsequently, in grinding vessel, grind dried peppermint leaf, make it grind fully; Finally, the material ground out is filtered through gauze, filter out peppermint extract.
10. a kind of dust suction blackboard eraser for environmental protection as claimed in claim 1, it is characterized in that, described cleaning agent is positioned at lower cavity, cleaning agent is mixed with by sodium carbonate, NaOH and alcoholic solution, the addition of described sodium carbonate is 10g/L ~ 30g/L, and the addition of NaOH is 5g/L ~ 15g/L; Described alcoholic solution is the mixed liquor by water and alcohol, and the volume fraction of alcohol 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 true CN105216516A (en) | 2016-01-06 |
| CN105216516B CN105216516B (en) | 2017-01-18 |
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| 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411179A (en) * | 2019-07-23 | 2019-11-05 | 李飞灵 | A kind of Chinese medicine processing and drying apparatus of thermally equivalent |
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| JP2001246898A (en) * | 2000-03-03 | 2001-09-11 | Tsutomu Yuasa | Whiteboard eraser |
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| 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
Patent Citations (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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411179A (en) * | 2019-07-23 | 2019-11-05 | 李飞灵 | A kind of Chinese medicine processing and drying apparatus of thermally equivalent |
| 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 |
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| CN105216516B (en) | 2017-01-18 |
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