CN201900907U - Dust absorption blackboard eraser - Google Patents

Dust absorption blackboard eraser Download PDF

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Publication number
CN201900907U
CN201900907U CN2010205961549U CN201020596154U CN201900907U CN 201900907 U CN201900907 U CN 201900907U CN 2010205961549 U CN2010205961549 U CN 2010205961549U CN 201020596154 U CN201020596154 U CN 201020596154U CN 201900907 U CN201900907 U CN 201900907U
Authority
CN
China
Prior art keywords
dust
air bag
portable plate
latch
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
CN2010205961549U
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Chinese (zh)
Inventor
冯亚平
Original Assignee
冯亚平
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 冯亚平 filed Critical 冯亚平
Priority to CN2010205961549U priority Critical patent/CN201900907U/en
Application granted granted Critical
Publication of CN201900907U publication Critical patent/CN201900907U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a dust absorption blackboard eraser which is composed of a hairbrush (1), a dust container (2), spring plates (3), a movable plate (5), a ventilating plate (6), an air bag (7) and a dust baffle plate (8), wherein the dust container (2) adopts a rectangular frame, latches are arranged on two sides of the frame, the hairbrush (1) is installed on the dust baffle plate (8), and the dust baffle plate (8) is installed on the frame of the dust container (2); the movable plate (5) is rectangular, and an air bag box (4) consists of the movable plate (5), the ventilating plate (6) and the four spring plates (3); a groove is arranged on the outer frame of the air bag box (4), the air bag (7) is an elliptic hemispheroid, the bottom of the air bag (7) is installed on the ventilating plate (6), and a ventilating pipe is arranged at the top of the air bag (7); the dust container (2) is connected with the groove outside the air bag box (4) through the latches. The dust absorption blackboard eraser can not only wipe out the dust on the blackboard, but also absorb the dust wiped off, thereby avoiding the dust damaging the human body and polluting the environment.

Description

Dust absorption blackboard eraser
Technical field
The utility model relates to a kind of blackboard eraser, especially a kind of dust absorption blackboard eraser.
Background technology
Chalk is the main tool of present classroom instruction, when erasing the board with blackboard eraser, causes dust from flying, and dust has injury to human body, sucks dust for a long time to very unfavorable of student and teacher's psychosomatic health.The structure that traditional blackboard is wiped generally comprises wipes head and wipes fixed head two parts, and not only kind is single, and function is simple, can only wipe dust from blackboard mostly, and can't solve the problem of dust pollution.
The utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of dust absorption blackboard eraser, this blackboard eraser can not only be wiped clean the dust on the blackboard, and can absorb the dust of wiping, and has avoided dust to the injury of human body and the pollution of environment.
In order to realize that the technical scheme that the purpose of this utility model adopts is: a kind of dust absorption blackboard eraser is characterized in that: it is made of hairbrush 1, dust container 2, latch plate 3, portable plate 5, ventilative board 6, air bag 7, dust baffle 8; Dust container 2 is the cuboid framework, and the framework both sides are provided with latch, and hairbrush 1 is installed on the dust baffle 8, and dust baffle 8 is a rectangle, is provided with one-way cock, and dust baffle 8 is installed on the framework of dust container 2; Portable plate 5 is a rectangle, and the centre is provided with circular hole, and the size of circular hole is bigger slightly than the ventilation duct external diameter of air bag 7; Air bag box 4 is made of portable plate 5, ventilative board 6 and four latch plates 3, and air bag box 4 housings are provided with groove, and the size of groove is bigger slightly than the latch of dust container 2; Ventilative board 6 is a rectangle, its size and portable plate 5 big or small consistent; Air bag 7 is oval hemisphere, and the bottom is installed on the ventilative board 6, and the top is provided with ventilation duct, be provided with one-way cock in the ventilation duct, the size of ventilation duct is slightly littler than the circular hole in the middle of the portable plate 5, and the thickness of length and portable plate 5 is suitable, and ventilation duct passes the circular hole in the middle of the portable plate 5; Dust container 2 is connected by the groove of latch with air bag box 4 outsides.
The beneficial effects of the utility model are: can not only wipe clean the dust on the blackboard, and can absorb the dust of wiping, avoid dust the injury of human body and the pollution of environment, and energy-conserving and environment-protective, easy to operate, simple in structure, be easy to make.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Fig. 1 is the utility model structural representation
Fig. 2 is the utility model cutaway view
Fig. 3 is the utility model left view
Fig. 4 is the utility model vertical view
Fig. 5 is the utility model component diagram
1-hairbrush, 2-dust container, 3-latch plate, 4-air bag box, 5-portable plate, the ventilative paper of 6-, 7-air bag, 8-dust baffle among the figure.
The specific embodiment
In Fig. 1, Fig. 2, Fig. 3, Fig. 4, first embodiment shown in Figure 5, a kind of dust absorption blackboard eraser is characterized in that: it is made of hairbrush 1, dust container 2, latch plate 3, portable plate 5, ventilative board 6, air bag 7, dust baffle 8; Dust container 2 is the cuboid framework, and the framework both sides are provided with latch, and hairbrush 1 is installed on the dust baffle 8, and dust baffle 8 is a rectangle, is provided with one-way cock, and dust can only advance and can not go out, and dust baffle 8 is installed on the framework of dust container 2; Portable plate 5 is a rectangle, and the centre is provided with circular hole, and the size of circular hole is bigger slightly than the ventilation duct external diameter of air bag 7; Air bag box 4 is made of portable plate 5, ventilative board 6 and four latch plates 3, and air bag box 4 housings are provided with groove, and the size of groove is bigger slightly than the latch of dust container 2; Ventilative board 6 is a rectangle, can only air permeable dust thoroughly, its size and portable plate 5 big or small consistent; Air bag 7 is oval hemisphere, the bottom is installed on the ventilative board 6, the top is provided with ventilation duct, be provided with one-way cock in the ventilation duct, can only give vent to anger can not air inlet, the size of ventilation duct is slightly littler than the circular hole in the middle of the portable plate 5, and the thickness of length and portable plate 5 is suitable, and ventilation duct passes the circular hole in the middle of the portable plate 5.
In second embodiment shown in Figure 3, dust container 2 is connected by the groove of latch with air bag box 4 outsides.
When using the utility model to erase the board, live portable plate 5 with hand, air bag box 4 is stressed, and air bag 7 and latch plate 3 are compressed, mobile blackboard is wiped, and dust is attached to 1 li of hairbrush, when unclamping blackboard eraser, air bag 7 restores to the original state, and produces suction, thereby the dust of 1 li of hairbrush is sucked dust container 2 the insides.

Claims (2)

1. dust absorption blackboard eraser is characterized in that: it is made of hairbrush (1), dust container (2), latch plate (3), portable plate (5), ventilative board (6), air bag (7), dust baffle (8); Dust container (2) is the cuboid framework, and the framework both sides are provided with latch, and hairbrush (1) is installed on the dust baffle (8), and dust baffle (8) is a rectangle, is provided with one-way cock, and dust baffle (8) is installed on the framework of dust container (2); Portable plate (5) is a rectangle, and the centre is provided with circular hole, and the size of circular hole is bigger slightly than the ventilation duct external diameter of air bag (7); Air bag box (4) is made of portable plate (5), ventilative board (6) and four latch plates (3), and air bag box (4) housing is provided with groove, and the size of groove is bigger slightly than the latch of dust container (2), and ventilative board (6) is a rectangle, and its size is consistent with portable plate (5); Air bag (7) is oval hemisphere, the bottom is installed on the ventilative board (6), the top is provided with ventilation duct, be provided with one-way cock in the ventilation duct, the size of the ventilation duct circular hole middle than portable plate (5) is slightly little, the thickness of length and portable plate (5) is suitable, and ventilation duct passes the circular hole in the middle of the portable plate (5).
2. dust absorption blackboard eraser according to claim 1 is characterized in that: dust container (2) is connected by the outer groove of latch and air bag box (4).
CN2010205961549U 2010-11-04 2010-11-04 Dust absorption blackboard eraser Expired - Fee Related CN201900907U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205961549U CN201900907U (en) 2010-11-04 2010-11-04 Dust absorption blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205961549U CN201900907U (en) 2010-11-04 2010-11-04 Dust absorption blackboard eraser

Publications (1)

Publication Number Publication Date
CN201900907U true CN201900907U (en) 2011-07-20

Family

ID=44271510

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205961549U Expired - Fee Related CN201900907U (en) 2010-11-04 2010-11-04 Dust absorption blackboard eraser

Country Status (1)

Country Link
CN (1) CN201900907U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108045137A (en) * 2017-12-11 2018-05-18 合肥美青工业设计有限公司 A kind of dust absorbnig chalk eraser
CN112406377A (en) * 2020-11-16 2021-02-26 姜培文 Blackboard eraser with dust collection function for teaching

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108045137A (en) * 2017-12-11 2018-05-18 合肥美青工业设计有限公司 A kind of dust absorbnig chalk eraser
CN112406377A (en) * 2020-11-16 2021-02-26 姜培文 Blackboard eraser with dust collection function for teaching

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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: 20110720

Termination date: 20111104