CN202293938U - Dust preventing and reducing blackboard eraser - Google Patents

Dust preventing and reducing blackboard eraser Download PDF

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Publication number
CN202293938U
CN202293938U CN2011203923778U CN201120392377U CN202293938U CN 202293938 U CN202293938 U CN 202293938U CN 2011203923778 U CN2011203923778 U CN 2011203923778U CN 201120392377 U CN201120392377 U CN 201120392377U CN 202293938 U CN202293938 U CN 202293938U
Authority
CN
China
Prior art keywords
chamber
water
blackboard eraser
blackboard
dust preventing
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
CN2011203923778U
Other languages
Chinese (zh)
Inventor
魏连超
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.)
Shandong University of Science and Technology
Original Assignee
Shandong University of Science and Technology
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 Shandong University of Science and Technology filed Critical Shandong University of Science and Technology
Priority to CN2011203923778U priority Critical patent/CN202293938U/en
Application granted granted Critical
Publication of CN202293938U publication Critical patent/CN202293938U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a dust preventing and reducing blackboard eraser, belonging to the field of cultural and educational tools. The dust preventing and reducing blackboard eraser comprises a blackboard brush body, a sponge, a water containing chamber and a water leaking chamber, wherein a water inlet and a pressing port are formed in the top wall of the blackboard brush body, the water containing chamber is arranged inside the blackboard brush body, water spraying ports are formed in the bottom of the water containing chamber, the water leaking chamber is arranged below the water containing chamber, water leaking ports are formed in the bottom of the water leaking chamber, and the sponge is arranged below the water leaking chamber. When the dust preventing and reducing blackboard eraser is used for erasing a blackboard, the erasing is clean, and the effect of great dust reduction is exerted; and the dust preventing and reducing blackboard eraser has no need of power consumption, is clean and pollution-free, and is convenient and flexible in use, so that the dust preventing and reducing blackboard eraser has great practical significance and broad development prospects.

Description

A kind of blackboard eraser of dustproof depositing dust
Technical field
The utility model relates to a kind of blackboard eraser of dustproof depositing dust, belongs to the culture and education field of tool.
Background technology
When erasing the board, rub between felt and the blackboard, dust is splashed, produce a large amount of dust, and wipe unclean with ordinary blackboard eraser.The dust that produces suspends in the classroom, causes the academics and students to suck a large amount of dust, and teachers and students' health is damaged.A lot of teachers suffer from pharyngitis, and this also is to cause teacher to get the one of the main reasons of pharyngitis.Though prior art can realize electronic erasing the board and depositing dust, because of having adopted motor, cost is increased, go back consumed power, use very uneconomical.
The utility model content
To above-mentioned deficiency, the utility model provides a kind of blackboard eraser of dustproof depositing dust.
The technical scheme of the utility model is: a kind of blackboard eraser of dustproof depositing dust; Comprise blackboard brush body, sponge, the be filled with water chamber and the chamber that leaks, have water inlet on the blackboard brush body roof and push mouth, the said chamber of being filled with water is located at blackboard brush body the inside; Be filled with water chamber bottom is provided with water jet; The chamber that leaks is located at below the chamber that is filled with water, and the bottom, chamber that leaks is provided with scupper, and sponge is located at below the chamber that leaks.
Operation principle and process: water is packed into from water inlet and is filled with water behind the chamber, and the flap of will intaking is tightened.Press and push mouth, let water flow into the sea, make sponge moistening slightly, look its situation and press and push a mouthful number of times, can use like this through water jet, the chamber that leaks, scupper.
The beneficial effect of the utility model is:
1, sponge is moistening, and wiped clean and can play the effect that reduces dust greatly when erasing the board is built the environment of a relative clean for teachers and students.2, do not need consumed power, cleanliness without any pollution, easy to use flexible.
Description of drawings
Fig. 1 is the cutaway view of the utility model;
Wherein: 1. blackboard brush body; 2. the chamber is filled with water; 3. water inlet flap; 4. push mouth; 5. the chamber leaks; 6 water jets; 7. scupper; 8. sponge; 9. water inlet.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
As shown in Figure 1, the blackboard eraser of dustproof depositing dust comprises blackboard brush body 1, sponge 8, the be filled with water chamber 2 and the chamber 5 that leaks, and has water inlet 9 on blackboard brush body 1 roof and pushes mouth 4; The size and the water inlet 9 of water inlet flap 3 are complementary; The chamber 2 that is filled with water is located at blackboard brush body 1 the inside, and two water jets 6 are arranged at 2 bottoms, chamber that are filled with water, and the chamber 5 that leaks is located at below the chamber 2 that is filled with water; Five scuppers 7 are arranged at 5 bottoms, chamber that leak, and sponge 8 is located at below the chamber 5 that leaks.
The course of work: water is packed into from water inlet 9 and is filled with water behind the chamber 2, and the flap 3 of will intaking is tightened.Press and push mouth 4, let water flow into sponges 8, make sponge 8 moistening slightly, look its situation and press the number of times of pushing mouth 4, can use like this through water jet 6, the chamber 5 that leaks, scupper 7.
Though the above-mentioned accompanying drawing that combines is described the specific embodiment of the utility model; But be not restriction to the utility model protection domain; On the basis of the technical scheme of the utility model, those skilled in the art need not pay various modifications that creative work can make or distortion still in the protection domain of the utility model.

Claims (3)

1. the blackboard eraser of a dustproof depositing dust; It is characterized in that: comprise blackboard brush body, sponge, the be filled with water chamber and the chamber that leaks, have water inlet on the blackboard brush body roof and push mouth that the said chamber of being filled with water is located at blackboard brush body the inside; Be filled with water chamber bottom is provided with water jet; The chamber that leaks is located at below the chamber that is filled with water, and the bottom, chamber that leaks is provided with scupper, and sponge is located at below the chamber that leaks.
2. blackboard eraser as claimed in claim 1 is characterized in that: described water jet is two.
3. blackboard eraser as claimed in claim 1 is characterized in that: described scupper is five.
CN2011203923778U 2011-10-17 2011-10-17 Dust preventing and reducing blackboard eraser Expired - Fee Related CN202293938U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203923778U CN202293938U (en) 2011-10-17 2011-10-17 Dust preventing and reducing blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203923778U CN202293938U (en) 2011-10-17 2011-10-17 Dust preventing and reducing blackboard eraser

Publications (1)

Publication Number Publication Date
CN202293938U true CN202293938U (en) 2012-07-04

Family

ID=46362903

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203923778U Expired - Fee Related CN202293938U (en) 2011-10-17 2011-10-17 Dust preventing and reducing blackboard eraser

Country Status (1)

Country Link
CN (1) CN202293938U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120704

Termination date: 20121017