CN2915550Y - Vacuum dust collection device capable of wiping blackboard - Google Patents
Vacuum dust collection device capable of wiping blackboard Download PDFInfo
- Publication number
- CN2915550Y CN2915550Y CN 200520034573 CN200520034573U CN2915550Y CN 2915550 Y CN2915550 Y CN 2915550Y CN 200520034573 CN200520034573 CN 200520034573 CN 200520034573 U CN200520034573 U CN 200520034573U CN 2915550 Y CN2915550 Y CN 2915550Y
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- China
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- vacuum cleaner
- blackboard
- air
- vacuum
- casing
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- Expired - Fee Related
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Abstract
The utility model relates to a vacuum cleaner that cleans the blackboard, primarily consists of a mute vacuum cleaner system, a filter liquid tank, a scalable tube and a blackboard vacuum brush. The mute vacuum system includes vacuum cleaner and a whistle box. The filter liquid box is cylindrical and is positioned under the whistle box and contains tap water, a inhaling tube and a bend. One terminal of the the scalable tube connects to the inhaling opening of the vacuum cleaning system and the other terminal connects to a vacuum cleaning brush of the blackboard. After switching on the power, the blackboard is hold for erasing and a negative pressure is formed above a filter liquid tank under the influence of the vacuum cleaner. The powder brushed off and the air combine together and will be introduced into the filter liquid tank for filtration, the air cleaned is absorbed by a vacuum cleaner and be discharged out of the tank. The utility model can both erase the chalk and can effectively prevent blowing of powder. As the product can satisfy special needs under special conditions, the product can be widely applied in air exhausting and supplying system to sterilize and get rid of the dust in the air, which is conducive to environment and enjoys a bright development prospective.
Description
Technical field
The utility model relates to a kind of cleaning vacuum plant of erasing blackboard.Mainly by quiet vacuum cleaner system, filtered fluid case, telescoping tube, compositions such as blackboard absorbent brush.
Technical background
At present, known vacuum cleaner makes the people upset because noise is higher than 70 decibels during work, is difficult to come into require quiet classroom.And, many vacuum cleaners caution: can not be used for inhaling fine dusts such as pulverized limestone, cement flour, land plaster, talcum powder.Because these dust are too thin, under pull of vacuum, very easily penetrate filter membrane and enter machine intimate, cause fault.And chalk is made of pulverized limestone and land plaster, and its particulate is mostly less than 0.3 micron.And the vacuum cleaner of selling on the market mainly is at family, the hotel, and meeting room, floor suctions such as teahouse are made, and its brush can't erasing blackboard, sucking chalk powder.
At the license notification number: Z L00259947.3, and number of patent application: a kind of blackboard absorbent brush that relates in 200400604821, be used for after joining with vacuum cleaner brush, inhale the blackboard dust.Because suction is big, dust suction is many, can reach effectively to brush away chalk dust, can siphon away the purpose of chalk dust again rapidly.But the noise of vacuum cleaner is big, and has inhaled chalk dust mechanical disorder takes place easily.Therefore, the conventional vacuum dust catcher can not satisfy the special requirement of this particular surroundings of school.
At patent announcement number: the electric dust absorption blackboard eraser that relates among the Z L 00229215.6, in order to alleviate brush weight and sound, to tend to act as power supply with dry cell, dust-collecting box is as far as possible little.Like this, though sound is little, suction is not enough; Dust-collecting box is too little, and dust stops up easily.Cause order and be difficult for outwash, also be difficult for exhaustion, especially when brush was put in order the blackboard letter written with chalk, dust still fell down.
At patent announcement number: the blackboard dedusting system device that relates among the ZL03258397, use the sound-absorbing material noise reduction though mention, its effect is also bad, and but still continues to use the technical scheme that obviously can not effectively solve to filtering the micronic dust aspect.
At patent announcement number: the dustless formula blackboard brush complete set of equipments that relates among the ZL200320114872, in order to reduce noise, adopt the low exhaust fan exhausting of rotating speed, obviously chalk dust is taken out unclean.
Summary of the invention:
In order to overcome above technical deficiency, the utility model provides a kind of cleaning vacuum plant of suitable erasing blackboard.The utility model can not only effectively brush away sticking than firm letter written with chalk, the dust that brush falls can also be siphoned away rapidly, prevents that effectively chalk dust from wafting, and has strong suction, and is super-silent, inhales micronic dust, and storage dirt capacity is big, must not change the dirt bag, characteristics easy to use.
The technical scheme that its technical problem that solves the utility model adopts is: quiet vacuum cleaner system one is made up of Sound Attenuator and vacuum cleaner.Sound Attenuator is made up of Sound Attenuator casing and liner sound-absorbing acoustic material.Vacuum cleaner places in the Sound Attenuator, and its inlet scoop communicates with the filtered fluid upper box part, and the filtering net film of dust catcher keeps.Power switch is arranged, air inlet and exhaust outlet, air guide bend pipe on the casing.Quiet vacuum cleaner system is last, and the filtered fluid case is following.The filtered fluid case is the transparent column type, interior dress running water, and the air inlet straight tube, elbow is connected with quiet vacuum cleaner system by screw thread mouth.Water is replaceable in the filtered fluid case.Establish waterline and water level alarm line on the case.Elbow air outlet adjoined water surface, along tank wall, the along continuous straight runs air draft.The air inlet of the quiet vacuum cleaner system on telescoping tube one end connects, the other end links to each other with the blackboard absorbent brush.Absorbent brush hangs on the clamp of Sound Attenuator setting at ordinary times.Telescoping tube can stretch, and can shrink automatically.Hairbrush is installed on the blackboard absorbent brush regularly, and the plastic foam piece is provided with air suction opening, blackboard brush outer cover, joint.By the wall hanging loose-leaf this device is fixed under the blackboard on the body of wall.
The beneficial effects of the utility model are: it is keeping effectively filtering micronic dust, sound little (can reach below 60 decibels) under the almost constant prerequisite of former vacuum cleaner suction; Can brush away letter written with chalk, can siphon away dust rapidly again, prevent that effectively dust from wafting; Need not change the dirt bag, install simply, save cost, easy to use.
Description of drawings:
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a front view of the present utility model.
Fig. 2 is the utility model embodiment longitudinal axis sectional structural map.
Fig. 3 is the utility model filtered fluid case waterline place's crosscut sectional structural map, centrifugal dust-removing and water film dedusting schematic diagram.
1, quiet vacuum cleaner system, 2, vacuum cleaner, 3, Sound Attenuator, 4, the sound-absorbing acoustic material, 5, power switch, 6, air inlet, 7 bend pipes, 8 exhaust outlets, 9, the absorbent brush buckle, 10 filtered fluid casees, 11, the air inlet straight tube, 12, elbow, 13, running water, 14, telescoping tube 15, blackboard absorbent brush, 16, the absorbent brush air suction opening, 17, inlet scoop, 18, exhausting window, 19, circumscripted power line and plug, 20, hickey, 21, the wall hanging loose-leaf, 22, the Sound Attenuator casing.
The specific embodiment:
In Fig. 2, quiet vacuum cleaner system (1)---form by Sound Attenuator (3) and vacuum cleaner (2).Sound Attenuator is made up of Sound Attenuator casing (22) and liner sound-absorbing acoustic material (4).Vacuum cleaner places in the Sound Attenuator.During work, turn on the power switch (5), take off blackboard absorbent brush (15), in the local wiping of needs brush.Under vacuum cleaner (2) strong suction, negative pressure is formed at the top of filtered fluid case (10).At this moment, by the chalk dust under brushing, after air mixes, through absorbent brush air suction opening (16), telescoping tube (14), bend pipe (7) enters the air inlet straight tube (11) in the filtered fluid case, elbow (12), along continuous straight runs is pasting the water surface, goes out fast.
In Fig. 3, example shown in Figure 2, the air that contains dust is gone out from the outspoken speed of elbow (12).Because elbow is positioned at cylindrical filtered fluid case (10) edge, the gas outlet is near filtered fluid tank wall portion.At this moment, the flow air band dust and is being pasted the water surface in cylindrical water tank inside fast, and the circumference centrifugal motion that the along continuous straight runs work goes round and begins again also promotes water simultaneously and makes the circumference centrifugal motion.
At this moment, centrifugal dust-removing and water film dedusting almost carry out simultaneously.
Water (13) is along the rotation of cylindrical filtered fluid case (10) bottom on the one hand, and flow air blows to the filtered fluid tank wall with water fast on the one hand, exceeds the water surface and forms parabolical water curtain (film) at tank wall.At this moment water has not only increased the surface area with windage, and automatically flush away relies on inertia force under centrifugal motion, leaves air, pierces in the water and attaches dust on tank wall.Because the inlet scoop (17) of vacuum cleaner is positioned at running water (13) top certain distance is arranged, and the top at the filtered fluid case is placed in the middle, under centrifugal motion, water and dust are pasting filtered fluid case (10) wall all the time and are making circular motion, are difficult to enter the inlet scoop (17) of vacuum cleaner (2).(17) suck air behind filtration, purification repeatedly from the inlet scoop by vacuum cleaner, and with the part heat of motor, through exhausting window (18), exhaust outlet (8) is discharged outside the case then.Just in case have low amounts of dust and low amounts of water to enter inlet scoop (17) accidentally, will be blocked by the dust catcher filtering net film.Dust suction is many, changes water and gets final product.
If in water, add an amount of thimerosal, can kill bacterium by in this device air and quiet cleaning vacuum plant inside.If be used with air-conditioning, the function of air conditioning filter sterilization is significantly improved.
Improve air cleaning and purify precision for further, and prevent that contingency has low amounts of dust and low amounts of water to enter inlet scoop (17) accidentally, can adopt two or more such filtered fluid casees, use by the wireway series connection.
The filter of this collection centrifugal dust-removing of the utility model and water film dedusting, it is little to have a resistance, and water is few, and volume is little, Purification speed is fast, the precision height, and the characteristics that sound is little can be widely used in air-intake of combustion engine front air filter dirt and tail gas clean-up.
The utility model is applicable to erasing blackboard, inhales dust, prevention teaching profession disease. Because it is big to have suction, sound is little, energy Filter fine dust, can be widely used in sound, dust has the factory of specific (special) requirements, hospital, hotel, meeting room, experiment The chamber, market, the keeping a public place clean and the air sterilization dedusting of the row such as air-conditioning, supply air system of room etc.
Claims (7)
1, the cleaning vacuum plant of erasing blackboard is characterized in that the casing (1) that it is made of quiet vacuum cleaner system, and filtered fluid case (10) is put in the below, and casing (1) is formed by connecting with blackboard absorbent brush (15) by telescoping tube (14).
2, the cleaning vacuum plant of erasing blackboard according to claim 1 is characterized in that: the casing (1) that quiet vacuum cleaner system constitutes, by vacuum cleaner (2), Sound Attenuator (3) is formed.
3, the cleaning vacuum plant of erasing blackboard according to claim 1 is characterized in that: Sound Attenuator (3), form by Sound Attenuator casing (22) and liner noise reduction acoustic material (4).
4, the cleaning vacuum plant of erasing blackboard according to claim 1 is characterized in that: filtered fluid case (10), and casing is transparent column shape, and case is interior by air inlet straight tube (11), elbow (12), running water (13), inlet scoop (17), hickey (20) is formed.
5, the cleaning vacuum plant of erasing blackboard according to claim 1 is characterized in that: filtered fluid case (10), adopt hickey (20) to be connected with Sound Attenuator (3).
6, the cleaning vacuum plant of erasing blackboard according to claim 1 is characterized in that: filtered fluid case (10), and its air inlet straight tube (11) is installed near tank wall, elbow (12) at casing near the bottom, elbow air outlet adjoined water surface, along continuous straight runs is near the tank wall air draft.
7, the cleaning vacuum plant of erasing blackboard according to claim 1 is characterized in that: telescoping tube (14) is one and connects quiet vacuum cleaner system air inlet (6), with the columniform vent hose of blackboard absorbent brush (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520034573 CN2915550Y (en) | 2005-06-23 | 2005-06-23 | Vacuum dust collection device capable of wiping blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520034573 CN2915550Y (en) | 2005-06-23 | 2005-06-23 | Vacuum dust collection device capable of wiping blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2915550Y true CN2915550Y (en) | 2007-06-27 |
Family
ID=38186457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520034573 Expired - Fee Related CN2915550Y (en) | 2005-06-23 | 2005-06-23 | Vacuum dust collection device capable of wiping blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2915550Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722961A (en) * | 2013-12-17 | 2014-04-16 | 南宁市新秀学校 | Dustless blackboard eraser |
| CN108749424A (en) * | 2018-06-07 | 2018-11-06 | 成都市培源科技开发有限责任公司 | A kind of blackboard purifying dust collector with self-cleaning function |
-
2005
- 2005-06-23 CN CN 200520034573 patent/CN2915550Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722961A (en) * | 2013-12-17 | 2014-04-16 | 南宁市新秀学校 | Dustless blackboard eraser |
| CN103722961B (en) * | 2013-12-17 | 2015-10-28 | 南宁市新秀学校 | A kind of dust-free black board eraser |
| CN108749424A (en) * | 2018-06-07 | 2018-11-06 | 成都市培源科技开发有限责任公司 | A kind of blackboard purifying dust collector with self-cleaning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Peizhong Document name: Notification of authorisation and registration |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Peizhong Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Li Peizhong Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070627 Termination date: 20130623 |