CN201604436U - Dust removing blackboard eraser - Google Patents
Dust removing blackboard eraser Download PDFInfo
- 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
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- Preliminary Treatment Of Fibers (AREA)
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
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.
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)
| 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 |
-
2009
- 2009-12-14 CN CN2009202879770U patent/CN201604436U/en not_active Expired - Fee Related
Cited By (2)
| 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 |
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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: 20101013 Termination date: 20101214 |