CN204687677U - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN204687677U CN204687677U CN201520412698.8U CN201520412698U CN204687677U CN 204687677 U CN204687677 U CN 204687677U CN 201520412698 U CN201520412698 U CN 201520412698U CN 204687677 U CN204687677 U CN 204687677U
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- scraper plate
- button
- sidewall
- blackboard eraser
- side wall
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Abstract
A kind of blackboard eraser, comprises plate body and is fixed on the wiping body bottom plate body.Described wiping body comprises the hairbrush portion be arranged in order, the water spray portion comprising multiple nozzle, scraper plate and water-holding portion.Described plate body comprises wooden partition, pressure structure, spraying button, water spray linkage structure, scraper plate button and scraper plate linkage structure.Described wooden partition comprises roof, diapire, left side wall and right side wall, and wooden partition encloses formation water storage cavity.Described spraying button and scraper plate button protrude from wooden partition, and described water spray linkage structure is arranged in water storage cavity, and is mechanically connected spraying button and nozzle.Described scraper plate linkage structure from water storage cavity to diapire extension, and mechanical connection scraper plate button and scraper plate.Use blackboard eraser of the present utility model from left to right or erase the board from top to bottom time, hairbrush portion wipes chalk writing, after spraying button is pressed, nozzle ejection high-pressure water mist carries out depositing dust process to chalk dust, scraper plate button is pressed rear scraper plate and scrapes off the water droplet that blackboard disperses, and last water-holding portion is wiped moisture residual on blackboard.
Description
Art
The utility model relates to a kind of blackboard eraser, especially a kind of blackboard eraser can sprayed water when wiping.
Background technology
Shi Zhe, transmits wisdom and imparts knowledge and explains the puzzle also.Blackboard and chalk are the important tool of explaining the puzzle that transmits wisdom and imparts knowledge, academics and students every day all in the face of blackboard, also in the face of chalk dust that blackboard eraser clashes.The suction of chalk dust can affect healthy, causes the disease of respiratory tract and lung.So, then have a strong impact on the normal development of student, grow up healthy and sound, also endanger the duty of teacher, healthy.
Vacuum cleaning is a kind of way of conventional solution industry dust.Problem is, vacuum cleaning can send comparatively loud noise, can affect teachers and students and give lessons.
Summary of the invention
Easily to kick up the deficiency of chalk dust to overcome existing blackboard eraser, the utility model provides a kind of blackboard eraser, this blackboard eraser can again blackboard wiping time spray water, to realize the effect of water spray dust.
The utility model solves the technical scheme that its technical problem adopts: a kind of blackboard eraser, comprise plate body and be fixed on the wiping body bottom plate body, described wiping body comprises the hairbrush portion be arranged in order, water spray portion, scraper plate and water-holding portion, described water spray portion comprises multiple nozzle, described plate body comprises wooden partition, pressure structure, spraying button, water spray linkage structure, scraper plate button and scraper plate linkage structure, described wooden partition comprises roof, diapire, left side wall and right side wall, described roof, diapire, left side wall and right side wall enclose formation water storage cavity, described pressure structure from water storage cavity to roof extension, described multiple nozzle is installed on described diapire, described spraying button and scraper plate button protrude from described wooden partition, described water spray linkage structure is arranged in water storage cavity, described water spray linkage structure mechanical connection spraying button and described multiple nozzle, described scraper plate linkage structure from water storage cavity to diapire extension, and be mechanically connected described scraper plate button and described scraper plate.
The beneficial effects of the utility model are, use this use novel blackboard eraser from left to right or erase the board from top to bottom time, the chalk writing of hairbrush portion to blackboard surface is wiped, the chalk dust that major part is wiped free of concentrates on the side of hairbrush portion near water spray portion, and after spraying button is pressed, multiple nozzle ejection high-pressure water mist, depositing dust process is carried out to chalk dust, and after scraper plate button is pressed, scrape off the water droplet that blackboard disperses, last water-holding portion is wiped moisture residual on blackboard and adsorbs.So, kicking up of chalk dust in the process of erasing the board can greatly be avoided.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the schematic top plan view of the blackboard eraser of the utility model embodiment.
Fig. 2 is the elevational schematic view of the blackboard eraser of the utility model embodiment.
Fig. 3 is that schematic diagram is looked on the right side of the blackboard eraser of the utility model embodiment.
Fig. 4 is the cross-sectional schematic of blackboard eraser along the IV-IV line of Fig. 1 of the utility model embodiment.
Fig. 5 is the spraying button of the blackboard eraser of the utility model embodiment and the local connection diagram of water spray linkage structure.
Fig. 6 is the scraper plate button of the blackboard eraser of the utility model embodiment and the local connection diagram of scraper plate linkage structure.
Component symbol and label in figure
Blackboard eraser 10 plate body 20
Wiping body 30 hairbrush portion 31
Water spray portion 32 scraper plate 33
Water-holding portion 34 nozzle 321
Wooden partition 21 pressure structure 22
Spraying button 23 is sprayed water linkage structure 24
Scraper plate button 25 scraper plate linkage structure 26
Roof 210 diapire 211
Left side wall 212 right side wall 213
Water storage cavity 200 the first side wall 214
Second sidewall 215 the 3rd sidewall 216
4th sidewall 217 the 5th sidewall 218
6th sidewall 219 water inlet 201
Piston 221 check valve 222
Drive mechanism 240 valve 242
Covering part 243 end 244
Drive link 241 connecting rod 261
Spring 262
Detailed description of the invention
Please refer to Fig. 1 to Fig. 4, the blackboard eraser 10 shown in the utility model embodiment comprises plate body 20 and is fixed on the wiping body 30 bottom plate body 20.Described plate body 20 grasps blackboard eraser 10 for end user, the chalk trace of described wiping body 30 on blackboard wiping, dust, stain etc.The length of blackboard eraser 10 is 12 centimetres to 20 centimetres, and width is 7 centimetres to 10 centimetres, is highly 4 centimetres to 6 centimetres.Wherein, the height of plate body 20 is 3 centimetres to 5 centimetres, and the height of wiping body 30 is 0.8 centimetre to 1.5 centimetres.
Described wiping body 30 comprise array from left to right hairbrush portion 31, water spray portion 32, scraper plate 33 and water-holding portion 34.Described hairbrush portion 31 is roughly rectangle, and is made up of, for the vestige that wiping chalk stays many compact arranged soft bristles.Described water spray portion 32 comprises multiple nozzle 321 being installed on plate body, and each nozzle 321 is all between hairbrush portion 31 and scraper plate 33, and described multiple nozzle 321 equidistantly arranges successively along the length direction of scraper plate 33.Each nozzle 321 includes the little spout of multiple circle, for spraying flaring water smoke, to fall the dust that wiping chalk is kicked up.The quantity of nozzle is preferably 4 to 8, is 5 in the present embodiment.Described scraper plate 33 is elongated, and the length direction along blackboard eraser 10 is installed, and the similar length of the basic and blackboard eraser 10 of its length, for scraping off the water smoke stayed on blackboard.Described water-holding portion 34 is made up of absorbent material, and it can be water-absorbing sponge or absorb water cotton or other absorbent materials, for adsorbing the moisture stayed on blackboard further.The height in described hairbrush portion 31 is concordant with the height of water-holding portion 34, and the height of described scraper plate 33 is less than the height in hairbrush portion 31.In the present embodiment, the two ends in described water spray portion 32 are also provided with absorbent material, to adsorb the moisture stayed on blackboard further.
Described plate body 20 comprises wooden partition 21, pressure structure 22, spraying button 23, water spray linkage structure 24, scraper plate button 25 and scraper plate linkage structure 26.Described wooden partition 21 comprises roof 210, diapire 211, left side wall 212 and right side wall 213, and described roof 210, diapire 211, left side wall 212 and right side wall 213 enclose and form water storage cavity 200, for water storage.Described left side wall 212 is relative with right side wall 213, described left side wall 212 comprises the first side wall 214, second sidewall 215 and the 3rd sidewall 216 that connect successively, and described right side wall 213 comprises the 4th sidewall 217, the 5th sidewall 218 and the 6th sidewall 219 that connect successively.Described the first side wall 214 is relative with the 4th sidewall 217, and all curved, makes on the length direction of blackboard eraser 10, and the spacing of described the first side wall 214 and the 4th sidewall 217 is large from little change from diminishing greatly again.So, be easy to use people at the middle part of the first side wall 214 and the 4th sidewall 217 and grip blackboard eraser 10.Particularly, the thumb of end user can contact with the first side wall 214 with great thenar, and all the other four fingers can contact to capture blackboard eraser 10 with the 4th sidewall 217.Described second sidewall 215 is all parallel with diapire 211 with the 5th sidewall 218, and described 3rd sidewall 216 is all vertical with diapire 211 with the 6th sidewall 219.Described roof 210 two ends also curved structure.Described hairbrush portion 31, water spray portion 32, scraper plate 33 and water-holding portion 34 are all installed on diapire 211.Concrete, described multiple nozzle 321 runs through described diapire 211, is gone out to diapire 211 extension by water storage cavity 200.Described scraper plate 33 is positioned at outside water storage cavity 200, and scraper plate linkage structure 24 extends for diapire 211 and its mechanical connection.Described hairbrush portion 31 and water-holding portion 34 are all directly fixed on diapire 211.Described wooden partition 21 offers water inlet 201, and described water inlet 201 is provided with lid and seal washer.In the present embodiment, water inlet 201 is opened in roof 210 one end.
Described pressure structure 22, and to be extended from roof 210 one end to roof 210 extension from water storage cavity 200.In the present embodiment, described pressure structure 22 is manual piston type pressure structure, manually move up and down piston 221 to pump into air, described air enters water storage cavity 200 by check valve 222.After it will be understood by those skilled in the art that air is pumped to water storage cavity 200 by check valve, the atmospheric density in water storage cavity 200 increases, and the pressure that the water in water storage cavity 200 is subject to becomes large.
Described spraying button 23 is adjacent with scraper plate button 25, and all protrudes from described wooden partition 21, particularly, protrudes from described 5th sidewall 218.5th sidewall 218 offers and spraying button 23, opening that scraper plate button 25 is corresponding respectively.Described water spray linkage structure 24 is arranged in water storage cavity 200, its mechanical connection spraying button 23 and described multiple nozzle 321.In the present embodiment, refer to Fig. 5, described water spray linkage structure 24 comprises drive mechanism 240 and multiple valve 242.Described multiple valve 242 and multiple nozzle 321 one_to_one corresponding, each valve 242 is installed on a corresponding nozzle 321, plays UNICOM or intercepts the effect of water storage cavity 200 and nozzle 321.Particularly, each valve 242 comprises a circular covering part 243 and an outstanding end 244, and described end 244 is hinged is installed on nozzle 321 side, described covering part 243 covering nozzles.When end 244 is pressed downwardly, due to lever principle, covering part 243 can move up, thus makes nozzle 321 and water storage cavity 200 UNICOM.Described drive mechanism 240 is for driving to the end 244 of valve 242 by the pressing of spraying button 23.In the present embodiment, drive mechanism 240 comprises multiple drive link 241, and multiple drive link 241 connects the end 244 of spraying button 23 and each valve 242.So, when spraying button 23 is pressed downwardly, end 244 is also pressed downwardly, thus covering part 243 is moved up with UNICOM's water storage cavity 200 and nozzle 321, and nozzle 321 can spray high-pressure water mist.When end user unclamps spraying button 23, drive link 241 homing, valve 242 also homing, water storage cavity 200 and nozzle 321 are intercepted by valve 242, and nozzle 321 no longer sprays high-pressure water mist.
Refer to Fig. 6, described scraper plate linkage structure 26 to diapire 211 extension, and is mechanically connected described scraper plate button 25 and described scraper plate 33 from water storage cavity 200.In the present embodiment, described scraper plate linkage structure 26 comprises connecting rod 261 and the spring 262 around connecting rod 261, described spring 262 is between the 5th sidewall 218 and diapire 211, and described connecting rod 261 connects scraper plate button 25 and scraper plate 33, goes out to diapire 211 extension from water storage cavity 200.When scraper plate button 25 is pressed downwardly, connecting rod 261 moves down and drives scraper plate 33 to move down, and spring 262 is compressed simultaneously, when end user unclamps scraper plate button 25, under the restoring force of spring 262, and connecting rod 261 and scraper plate button 25 all homings.Be appreciated that and be provided with seal washer between described connecting rod 262 and diapire 211.In other embodiments, described scraper plate linkage structure 26 can be the push rod extended by pressing, also can be the stretching structure of the pull bar comprising multiple interlock.The displacement of described scraper plate 33 is 0.2 centimetre to 0.6 centimetre.In normal state, scraper plate 33 is near diapire 211, not concordant with water-holding portion 34 with hairbrush portion 31, and under scraper plate button 25 pressed state, scraper plate 33 is away from diapire 211, basic concordant with water-holding portion 34 with hairbrush portion 31.
Blackboard eraser 10 of the present utility model, preferably uses from left to right or from top to bottom and erases the board.Before use blackboard eraser 10 erases the board, end user first moves up and down piston 221 to pump into air in water storage cavity 200, and the pressure that the water in water storage cavity 200 is subject to becomes large.When using blackboard eraser 10 to erase the board, the hand of end user can grip the first side wall 214 and the 4th sidewall 217, blackboard eraser 10 is placed on blackboard, the hairbrush portion 31 of cleaning part 30 is contacted with blackboard with water-holding portion 34, then erase the board from left to right or from top to bottom, press spraying button 23 and scraper plate button 25 while erasing the board, until wiping completes, loosen spraying button 23 and scraper plate button 25.When erasing the board, the chalk writing on 31 pairs of blackboard surfaces, hairbrush portion is wiped, the chalk dust that major part is wiped free of concentrates on the side of hairbrush portion 31 near water spray portion 32, and after spraying button 23 is pressed, multiple nozzle 321 sprays high-pressure water mist, carries out depositing dust process to chalk dust, and after scraper plate button 25 is pressed, scrape off the water droplet that blackboard disperses, moisture residual on last water-holding portion 34 pairs of blackboards is wiped and adsorbs.So, kicking up of chalk dust in the process of erasing the board can greatly be avoided.
Blackboard eraser of the present utility model 10 special needs to be pointed out is, even if also can use do not have the state of water in water storage cavity 200 under.Hairbrush portion 31 and water-holding portion 34 equally can chalk writings on erasing blackboard.And now do not need pressing scraper plate button 25, scraper plate 33 is in the position of not concordant with hairbrush portion 31 close diapire 211, can not contacts with blackboard in erase process again, scratch can not be caused to blackboard.
Be understandable that, for the ordinary skill in the art, other various change and distortion can also be made according to technical conceive of the present utility model, and all these change the protection domain that all should belong to the utility model claim with distortion.
Claims (10)
1. a blackboard eraser, comprise plate body and be fixed on the wiping body bottom plate body, described wiping body comprises the hairbrush portion be arranged in order, water spray portion, scraper plate and water-holding portion, described water spray portion comprises multiple nozzle, described plate body comprises wooden partition, pressure structure, spraying button, water spray linkage structure, scraper plate button and scraper plate linkage structure, described wooden partition comprises roof, diapire, left side wall and right side wall, described roof, diapire, left side wall and right side wall enclose formation water storage cavity, described pressure structure from water storage cavity to roof extension, described multiple nozzle is installed on described diapire, described spraying button and scraper plate button protrude from described wooden partition, described water spray linkage structure is arranged in water storage cavity, described water spray linkage structure mechanical connection spraying button and described multiple nozzle, described scraper plate linkage structure from water storage cavity to diapire extension, and be mechanically connected described scraper plate button and described scraper plate.
2. blackboard eraser as claimed in claim 1, it is characterized in that, described left side wall is relative with right side wall, described left side wall comprises the first side wall, the second sidewall and the 3rd sidewall that connect successively, described right side wall comprises the 4th sidewall, the 5th sidewall and the 6th sidewall that connect successively, and described the first side wall the 4th sidewall is relative, and all curved, make on the length direction of blackboard eraser, the spacing of described the first side wall and the 4th sidewall is large from little change from diminishing greatly again.
3. blackboard eraser as claimed in claim 1, it is characterized in that, the two ends of described roof are all curved.
4. blackboard eraser as claimed in claim 2, it is characterized in that, described second sidewall is all parallel with diapire with the 5th sidewall, described 3rd sidewall is all vertical with diapire with the 6th sidewall, described 5th sidewall offer respectively with spraying button, opening that scraper plate button is corresponding, described spraying button and scraper plate button are adjacent to be arranged at the 5th sidewall.
5. blackboard eraser as claimed in claim 1, it is characterized in that, described pressure structure is manual piston type pressure structure, and manual mobile piston is to pump into air, and described air enters water storage cavity by check valve.
6. blackboard eraser as claimed in claim 4, it is characterized in that, described scraper plate linkage structure comprises connecting rod and the spring around connecting rod, and described spring is the 5th between sidewall and diapire, described connecting rod connects scraper plate button and scraper plate, stretches out to diapire extension from water storage cavity.
7. blackboard eraser as claimed in claim 1, it is characterized in that, described water spray linkage structure comprises drive mechanism and multiple valve, described multiple valve and multiple nozzle one_to_one corresponding, each valve installation is on a corresponding nozzle, play the effect of UNICOM or obstruct water storage cavity and nozzle, described drive mechanism mechanical connection spraying button and multiple valve, to be passed to valve by the action of spraying button.
8. blackboard eraser as claimed in claim 7, it is characterized in that, described valve comprises a circular covering part and an outstanding end, described end is articulated with nozzle side, described covering part covering nozzles, when end is pressed downwardly, covering part moves up, thus makes nozzle and water storage cavity UNICOM.
9. blackboard eraser as claimed in claim 1, it is characterized in that, the displacement of described scraper plate is 0.2 centimetre to 0.6 centimetre.
10. blackboard eraser as claimed in claim 1, it is characterized in that, the length of described blackboard eraser is 12 centimetres to 20 centimetres, width is 7 centimetres to 10 centimetres, be highly 4 centimetres to 6 centimetres, the height of described plate body is 3 centimetres to 5 centimetres, and the height of wiping body is 0.8 centimetre to 1.5 centimetres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520412698.8U CN204687677U (en) | 2015-06-15 | 2015-06-15 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520412698.8U CN204687677U (en) | 2015-06-15 | 2015-06-15 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204687677U true CN204687677U (en) | 2015-10-07 |
Family
ID=54228009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520412698.8U Expired - Fee Related CN204687677U (en) | 2015-06-15 | 2015-06-15 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204687677U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110884274A (en) * | 2019-11-13 | 2020-03-17 | 南京信息职业技术学院 | Water mist dust fall blackboard eraser |
| CN111497506A (en) * | 2020-06-02 | 2020-08-07 | 沈阳工业大学 | Cleaning blackboard eraser |
| CN113320320A (en) * | 2021-07-19 | 2021-08-31 | 钱柱宇 | Dustless quick-dry blackboard eraser capable of spraying mist |
-
2015
- 2015-06-15 CN CN201520412698.8U patent/CN204687677U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110884274A (en) * | 2019-11-13 | 2020-03-17 | 南京信息职业技术学院 | Water mist dust fall blackboard eraser |
| CN111497506A (en) * | 2020-06-02 | 2020-08-07 | 沈阳工业大学 | Cleaning blackboard eraser |
| CN113320320A (en) * | 2021-07-19 | 2021-08-31 | 钱柱宇 | Dustless quick-dry blackboard eraser capable of spraying mist |
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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: 20151007 Termination date: 20180615 |