CN2880534Y - Multifunctional spraying eraser - Google Patents

Multifunctional spraying eraser Download PDF

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Publication number
CN2880534Y
CN2880534Y CN 200620089363 CN200620089363U CN2880534Y CN 2880534 Y CN2880534 Y CN 2880534Y CN 200620089363 CN200620089363 CN 200620089363 CN 200620089363 U CN200620089363 U CN 200620089363U CN 2880534 Y CN2880534 Y CN 2880534Y
Authority
CN
China
Prior art keywords
blackboard
plank
wiping
utility
wood plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200620089363
Other languages
Chinese (zh)
Inventor
朴香莲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 200620089363 priority Critical patent/CN2880534Y/en
Application granted granted Critical
Publication of CN2880534Y publication Critical patent/CN2880534Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a multi-purpose spraying blackboard brush, which includes a rectangular wood plate and cleaning cotton. The wood plate is hollow, a small sprayer is arranged inside the wood plate, and a plane mirror is stuck onto the back of the wood plate. For blackboard cleaning, aim the sprayer nozzle at the blackboard, press the control valve of the sprayer, spray water onto the blackboard, and the chalk letters on the blackboard mixed with water will become slurries. Finally the blackboard is cleaned through wiping the slurries with clean cotton. And a teacher can keep an eye on the students behind him when wiping the blackboard. The utility model is featured with reasonable structure, convenient use, endurance, economy, practicability and low cost. The utility model can be used to reduce chalk dust pollution while wiping the blackboard, effectively protect health of the wiper, and enable the wiper to observe the situation behind him.

Description

Multifunction water spray formula blackboard eraser
Technical field the utility model relates to a kind of realia, especially a kind of multifunction water spray formula blackboard eraser.
The technical background blackboard eraser is a very important burnisher in the school, blackboard when people could effectively wipe by blackboard eraser.Bristle is made but present blackboard eraser mostly is cleaning, very easily causes dust from flying when blackboard wiping, can threaten if things go on like this that teachers and students' is healthy; And also there are problems such as function is simple in present blackboard eraser.For fear of this class problem, it is existing that we provide a kind of new blackboard that can have the effect of spraying water when blackboard wiping to clash.
The summary of the invention the purpose of this utility model provides a kind of multifunction water spray formula blackboard eraser, is used to solve the effectively problem of blackboard wiping of ordinary blackboard eraser.
For achieving the above object, the utility model multifunction water spray formula blackboard eraser, the cleaning cotton that comprises the rectangle plank and stick on the plank surface, plank are hollow structure, a small-sized watering can is installed, and the nozzle of watering can and control button stretch out from plank all in plank; A level crossing is fixed in stickup at the plank back side.
After adopting said structure, the user sprinkles water to blackboard with watering can earlier before blackboard wiping, and then with the normal blackboard wiping of cleaning cotton, because dust and water melt the formation slurry, therefore can not produce dust pollution; And the level crossing that is installed in the plank back side also can help the teacher to observe after one's death student when blackboard wiping, prevents that them from taking advantage of the occasion to sneak away.
The utility model has the advantages that: rational in infrastructure, convenient durable, economical and practical, cheap, when blackboard wiping, can also reduce dust pollution, effectively protect the healthy of wiper, when wiping, can also observe situation after one's death.
Description of drawings Fig. 1 is the overall structure schematic diagram of the utility model multifunction water spray formula blackboard eraser.
The specific embodiment as shown in Figure 1, the utility model multifunction water spray formula blackboard eraser, the cleaning cotton 2 that comprises rectangle plank 1 and stick on plank 1 surface, plank 1 is a hollow structure, a small-sized watering can 3 is installed, and the nozzle of watering can 3 and control button stretch out from plank 1 all in plank 1; A level crossing 4 is fixed in stickup at plank 1 back side.Wherein, small-sized watering can 3 is a cube structure, and watering can 3 can insert in the empty body plank 1 fully, offers aperture at plank 1 upper surface and side surface, is used for appearing nozzle and control valve; Level crossing 4 relies on glue to be pasted and fixed on plank 1 back side, level crossing 4 and plank 1 homalographic.When blackboard wiping, the user is nozzle alignment blackboard surface, press the control valve of watering can 3 down, make the water of watering can 3 inside from nozzle, be sprayed onto on the blackboard, the water formation paste liquid that contacts with letter written with chalk on the blackboard, the cleaning cotton 2 with plank 1 surface wipes out the cleaning that these liquid can be realized blackboard at last; And the teacher also can be in blackboard wiping, observes his student's every act and every move after one's death by the level crossing 4 at plank 1 back side, prevents that students from taking advantage of the occasion to sneak away.

Claims (1)

1, a kind of multifunction water spray formula blackboard eraser, the cleaning cotton (2) that comprises rectangle plank (1) and stick on plank (1) surface, it is characterized in that: plank (1) is a hollow structure, a small-sized watering can (3) is installed, and the nozzle of watering can (3) and control button stretch out from plank (1) all in plank (1); A level crossing (4) is fixed in stickup at plank (1) back side.
CN 200620089363 2006-02-23 2006-02-23 Multifunctional spraying eraser Expired - Fee Related CN2880534Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620089363 CN2880534Y (en) 2006-02-23 2006-02-23 Multifunctional spraying eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620089363 CN2880534Y (en) 2006-02-23 2006-02-23 Multifunctional spraying eraser

Publications (1)

Publication Number Publication Date
CN2880534Y true CN2880534Y (en) 2007-03-21

Family

ID=37880373

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620089363 Expired - Fee Related CN2880534Y (en) 2006-02-23 2006-02-23 Multifunctional spraying eraser

Country Status (1)

Country Link
CN (1) CN2880534Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109109525A (en) * 2018-09-10 2019-01-01 天津大学 A kind of depositing dust blackboard eraser easy to clean

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109109525A (en) * 2018-09-10 2019-01-01 天津大学 A kind of depositing dust blackboard eraser easy to clean

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
DD01 Delivery of document by public notice

Addressee: Li Meng

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: 20070321

Termination date: 20100223