CN205086566U - Dust absorption environment -friendly blackboard eraser - Google Patents
Dust absorption environment -friendly blackboard eraser Download PDFInfo
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- CN205086566U CN205086566U CN201520878483.5U CN201520878483U CN205086566U CN 205086566 U CN205086566 U CN 205086566U CN 201520878483 U CN201520878483 U CN 201520878483U CN 205086566 U CN205086566 U CN 205086566U
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- blackboard eraser
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- capillary
- valve rod
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Abstract
The utility model provides a dust absorption environment -friendly blackboard eraser, package rubbing board wipes plate body and felt layer, and eraser body's upper plate, hypoplastron and curb plate enclose into a stock solution chamber. The lateral wall of the lateral wall of the upper plenum in stock solution chamber and the lower cavity in stock solution chamber all is provided with the inlet. The upper plenum is used for depositing cleaner and dust absorption agent respectively with lower cavity. Upper plate, diaphragm and hypoplastron are provided with first through -hole, second through -hole and third through -hole respectively. Eraser body still is provided with the switch valve rod, and the switch valve rod is followed upper plate upper portion and is inserted, passes first through -hole and second through -hole to insert in the third through -hole. Eraser body still is provided with the ball valve that the capillary lower part was provided with the liquid that flows out after the extrusion. In the upper plenum was stretched into to the upper end of capillary, the lower extreme extended to the felt in situ. Above -mentioned dust absorption environment -friendly blackboard eraser, the messenger's lotion or the agent of removing dust that user of service can be convenient flow in a felt layer, processings of wasing and remove dust, it influences teachers and students healthily to prevent that the dust from descending slowly and lightly in the air.
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.
Utility model content
Adopt to solve in prior art the problem that in chalk teaching process, dust is too much, the utility model 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.
Preferred 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 step, 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 utility model 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 utility model 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 is vertically placed, and waveform is all lined up in the top and bottom of multiple capillary.
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 step, 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 to restriction of the present utility model; the utility model is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (7)
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, is characterized in that, 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 to be placed four fingers respectively and have four the second grooves.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520878483.5U CN205086566U (en) | 2015-11-06 | 2015-11-06 | Dust absorption environment -friendly blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520878483.5U CN205086566U (en) | 2015-11-06 | 2015-11-06 | Dust absorption environment -friendly blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205086566U true CN205086566U (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520878483.5U Expired - Fee Related CN205086566U (en) | 2015-11-06 | 2015-11-06 | Dust absorption environment -friendly blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205086566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216516A (en) * | 2015-11-06 | 2016-01-06 | 山东科技大学 | A kind of dust suction blackboard eraser for environmental protection |
-
2015
- 2015-11-06 CN CN201520878483.5U patent/CN205086566U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216516A (en) * | 2015-11-06 | 2016-01-06 | 山东科技大学 | A kind of dust suction blackboard eraser for environmental protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20161106 |