CN201604436U - Dust removing blackboard eraser - Google Patents

Dust removing blackboard eraser Download PDF

Info

Publication number
CN201604436U
CN201604436U CN2009202879770U CN200920287977U CN201604436U CN 201604436 U CN201604436 U CN 201604436U CN 2009202879770 U CN2009202879770 U CN 2009202879770U CN 200920287977 U CN200920287977 U CN 200920287977U CN 201604436 U CN201604436 U CN 201604436U
Authority
CN
China
Prior art keywords
connecting plate
bristle
handle
dust removing
piston
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
CN2009202879770U
Other languages
Chinese (zh)
Inventor
计雯瀚
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 CN2009202879770U priority Critical patent/CN201604436U/en
Application granted granted Critical
Publication of CN201604436U publication Critical patent/CN201604436U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model discloses a dust removing blackboard eraser, which comprises a handle, a connecting plate and bristles. The connecting plate is of a hollow box structure, a piston is mounted inside the connecting plate, the handle is of a right-angle rod structure and is inserted from the top of the connecting plate to be fixedly connected with the top of the piston, the bristles are adhered to the bottom of the connecting plate, and ventilation holes are arranged in an area without bristles at the bottom of the connecting plate. The dust removing blackboard eraser has the advantages of exquisite structure, convenience, practicality, exquisite technique, convenient utilization and the like.

Description

The dust removal chalkboard eraser
Technical field the utility model relates to a kind of educational aid, especially a kind of cleaning appliance.
Background technology is well-known, and chalkboard eraser is a most important blackboard wiping instrument in the school instruction.But present chalkboard eraser structure is too simple, all adopts connecting plate and bristle or felt combining structure, owing to be subjected to structural limitations, so behind blackboard wiping, all can be at bristle or a large amount of chalk dust of felt remained on surface.People can only hold connecting plate could remove chalk dust at metope beating bristle, very trouble.
The summary of the invention the purpose of this utility model provides a kind of dust removal chalkboard eraser of realizing self cleaning action.
The utility model mainly comprises handle, connecting plate and bristle, and described connecting plate is hollow box body structure, the inside piston of packing into, and handle is the right angle rod shaped structure, it is affixed with piston-top surface to insert the back from the connecting plate end face; Paste bristle in the connecting plate bottom surface and offer air-vent in non-area of bristles.
During use, the user holds handle, drives connecting plate and utilizes bristle blackboard wiping chalk writing, self effect of performance chalkboard eraser.After wiping finished, the user pinned connecting plate and promotes handle downwards, drove piston and moved to bristle direction, extrude the connecting plate internal gas, realize when air-vent is discharged the blowing of bristle blown off the chalk dust of bristle surface when air-flow, finish the task of self cleaning.
Compared with the prior art, the beneficial effects of the utility model are: delicate structure, convenient and practical, technology is exquisite, easy-to-use, can clear up self dust fast, need not other instruments.
Description of drawings Fig. 1 is a stereochemical structure sketch of the present utility model.
The specific embodiment is in stereochemical structure sketch of the present utility model shown in Figure 1, mainly comprise handle 1, connecting plate 2 and bristle 3, described connecting plate 2 is hollow box body structure, the inside piston 4 of packing into, handle 1 is the right angle rod shaped structure, and is affixed with piston 4 end faces after inserting from connecting plate 2 end faces; Paste bristle 3 in connecting plate 2 bottom surfaces and offer air-vent 5 in non-area of bristles.

Claims (1)

1. dust removal chalkboard eraser, mainly comprise handle (1), connecting plate (2) and bristle (3), it is characterized in that: described connecting plate (2) is hollow box body structure, the inside piston (4) of packing into, handle (1) is the right angle rod shaped structure, and is affixed with piston (4) end face after inserting from connecting plate (2) end face; Paste bristle (3) in connecting plate (2) bottom surface and offer air-vent (5) in non-area of bristles.
CN2009202879770U 2009-12-14 2009-12-14 Dust removing blackboard eraser Expired - Fee Related CN201604436U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202879770U CN201604436U (en) 2009-12-14 2009-12-14 Dust removing blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202879770U CN201604436U (en) 2009-12-14 2009-12-14 Dust removing blackboard eraser

Publications (1)

Publication Number Publication Date
CN201604436U true CN201604436U (en) 2010-10-13

Family

ID=42949146

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202879770U Expired - Fee Related CN201604436U (en) 2009-12-14 2009-12-14 Dust removing blackboard eraser

Country Status (1)

Country Link
CN (1) CN201604436U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108688387A (en) * 2018-07-18 2018-10-23 张志华 A kind of blackboard eraser of dust-proof anti-accumulation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108688387A (en) * 2018-07-18 2018-10-23 张志华 A kind of blackboard eraser of dust-proof anti-accumulation
CN108688387B (en) * 2018-07-18 2019-10-11 周午贤 A kind of blackboard eraser of dust-proof anti-accumulation

Similar Documents

Publication Publication Date Title
CN201913976U (en) Dust absorption blackboard eraser
CN201604436U (en) Dust removing blackboard eraser
CN204774276U (en) English teaching is rule and is used blackboard eraser
CN202504481U (en) Writing brush moistening box
CN201186564Y (en) Blackboard eraser for student
CN203093528U (en) Dust-absorption blackboard eraser
CN202022013U (en) Multifunctional blackboard eraser
CN203126302U (en) Dust-removing eraser
CN204136660U (en) A kind of environment-friendly dust-proof eraser
CN202413112U (en) Environment-friendly blackboard
CN204383021U (en) Dust-proof blackboard eraser
CN201566341U (en) Eraser convenient for cleaning
CN201784351U (en) Double-sided blackboard eraser
CN2806188Y (en) Dust-absorbing eraser
CN201102422Y (en) Chalk eraser
CN203317951U (en) Multifunctional writing brush
CN201566350U (en) Dust-proof blackboard eraser
CN107244169A (en) One kind cleaning chalkboard eraser
CN201847026U (en) Novel chalk box
CN204383018U (en) A kind of dust-sucking eraser of improvement
CN201172345Y (en) Dust absorbing blackboard eraser
CN202242641U (en) Eraser capable of collecting dust
CN202413180U (en) Blackboard eraser
CN204977989U (en) Automatic dust absorption blackboard eraser
CN201961045U (en) Dust absorbing eraser

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: 20101013

Termination date: 20101214