CN203046647U - Dust-free blackboard eraser - Google Patents
Dust-free blackboard eraser Download PDFInfo
- Publication number
- CN203046647U CN203046647U CN 201220645112 CN201220645112U CN203046647U CN 203046647 U CN203046647 U CN 203046647U CN 201220645112 CN201220645112 CN 201220645112 CN 201220645112 U CN201220645112 U CN 201220645112U CN 203046647 U CN203046647 U CN 203046647U
- Authority
- CN
- China
- Prior art keywords
- dust
- storage powder
- blackboard eraser
- powder lid
- circular hole
- 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
Links
Images
Landscapes
- Electrostatic Separation (AREA)
Abstract
The utility model provides a dust-free blackboard eraser which comprises a dust storage cover and a brush. The lower surface of the dust storage cover is fixedly connected with the brush. The dust-free blackboard eraser has the key points that electric fans are arranged in the dust storage cover; the lower surface of the dust storage cover is provided with round openings; the brush is provided with round holes corresponding to the round openings; and fan blades of the electric fans pass through the round openings to be positioned in the round holes. The utility model provides the dust-free blackboard eraser; the dust-free blackboard eraser has a simple structure; and after the blackboard eraser is adopted, chalk dust can be sucked into the dust storage cover by the electric fans and is prevented from flying around to influence health of human bodies.
Description
Technical field
The utility model belongs to the blackboard cleaning device field, specifically, relates to a kind of dust-free black board eraser.
Background technology
The blackboard eraser that uses in use can cause chalk dust to fly upward aloft at present, and after using, chalk dust can be accumulated on the hairbrush, could continue to use after must must shaking off chalk dust, so understand contaminated air, damage the healthy of Faculty and Students.
The prior art shortcoming: chalk dust flies upward everywhere, and contaminated air impairs one's health.
Summary of the invention
For solving above technical problem, the purpose of this utility model is to provide a kind of dust-free black board eraser that can absorb chalk dust and store.
The utility model purpose is achieved in that
A kind of dust-free black board eraser, comprise storage powder lid and hairbrush, described storage powder lid lower surface is fixedlyed connected with hairbrush, it is characterized in that: be provided with electric fan in the described storage powder lid, described storage powder lid lower surface is provided with circular hole, corresponding circular hole is provided with round hole on the described hairbrush, and the fan leaf of described electric fan passes circular hole and is positioned at round hole.Adopt said structure, blackboard eraser can suck chalk dust in the storage powder lid by electric fan, prevents that chalk dust from flying upward, and influences health everywhere.
Above-mentioned circular hole edge bends to truncated cone-shaped to interior extension of storage powder lid, and described electric fan is fixedlyed connected with storage powder lid by support.Adopt said structure, form bigger slit between electric fan and the circular hole, chalk dust can be sucked in the storage powder lid by electric fan; Because the circular hole edge is truncated cone-shaped, chalk dust is inhaled into faster, and can prevents that chalk dust from pouring out.
Beneficial effect:
The utility model is a kind of dust-free black board eraser, and is simple in structure, and blackboard eraser can prevent that chalk dust from flying upward, and influences health everywhere by electric fan with in the chalk dust suction storage powder lid.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the upward view of Fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Please refer to illustrated in figures 1 and 2, a kind of dust-free black board eraser, formed by storage powder lid 1 and hairbrush 2, described storage powder covers 1 lower surface fixedlys connected with hairbrush 2, be provided with two electric fan 1b in the described storage powder lid 1, every described electric fan 1b covers 1 by support 3 with the storage powder fixedlys connected, described storage powder covers 1 lower surface and is provided with two circular hole 1a, described circular hole 1a edge bends to truncated cone-shaped to storage powder lid 1 interior the extension, corresponding circular hole 1a is provided with round hole 2a on the described hairbrush 2, and the fan leaf of described electric fan 1b passes circular hole 1a and is positioned at round hole 2a.
Although below by reference to the accompanying drawings preferred embodiment of the present utility model is described; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic rather than determinate; those of ordinary skill in the art is under enlightenment of the present utility model; under the prerequisite of the utility model aim and claim; can make multiple similar expression, as: the conversion the number of electric fan or the distribution etc. all falls within the protection domain of the present utility model.
Claims (2)
1. dust-free black board eraser, comprise storage powder lid (1) and hairbrush (2), described storage powder lid (1) lower surface is fixedlyed connected with hairbrush (2), it is characterized in that: be provided with electric fan (1b) in the described storage powder lid (1), described storage powder lid (1) lower surface is provided with circular hole (1a), described hairbrush (2) is gone up corresponding circular hole (1a) and is provided with round hole (2a), and the fan leaf of described electric fan (1b) passes circular hole (1a) and is positioned at round hole (2a).
2. according to the described a kind of dust-free black board eraser of claim 1, it is characterized in that: described circular hole (1a) edge bends to truncated cone-shaped to interior extension of storage powder lid (1), and described electric fan (1b) is fixedlyed connected with storage powder lid (1) by support (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220645112 CN203046647U (en) | 2012-11-30 | 2012-11-30 | Dust-free blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220645112 CN203046647U (en) | 2012-11-30 | 2012-11-30 | Dust-free blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203046647U true CN203046647U (en) | 2013-07-10 |
Family
ID=48729638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220645112 Expired - Fee Related CN203046647U (en) | 2012-11-30 | 2012-11-30 | Dust-free blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203046647U (en) |
-
2012
- 2012-11-30 CN CN 201220645112 patent/CN203046647U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203046647U (en) | Dust-free blackboard eraser | |
| CN203623240U (en) | Dust-free electric chalk eraser | |
| CN105459699A (en) | Convenient-to-dismount dustproof blackboard eraser | |
| CN201841841U (en) | Dust-absorption blackboard eraser | |
| CN204236106U (en) | A kind of teaching dust absorption blackboard eraser | |
| CN202517970U (en) | Electric dust-collecting chalkboard eraser | |
| CN204095375U (en) | A kind of dust-free blackboard sassafras | |
| CN103847376A (en) | Magnetic blackboard eraser capable of easily cleaning dust | |
| CN201922800U (en) | Blackboard eraser | |
| CN108146119A (en) | A kind of blackboard eraser for teaching from sucking chalk powder | |
| CN201856536U (en) | Eraser with duct collector | |
| CN203088033U (en) | Dustproof brush | |
| CN203078132U (en) | Dustproof board eraser | |
| CN201849207U (en) | Blackboard eraser | |
| CN202557135U (en) | Dust-collecting blackboard eraser | |
| CN201841843U (en) | Rechargeable blackboard eraser taking shape of large square divided into four smaller squares | |
| CN203957659U (en) | Dust-free black board eraser | |
| CN202826896U (en) | Dustproof blackboard eraser | |
| CN202123844U (en) | Dust collection blackboard | |
| CN204383022U (en) | Dust-removing blackboard eraser | |
| CN203063445U (en) | Blackboard eraser capable of sucking chalk dust | |
| CN204354687U (en) | Dust absorption blackboard eraser | |
| CN201833782U (en) | Novel blackboard eraser | |
| CN204191061U (en) | A kind of Dustproofing device of electronic apparatus | |
| CN203611612U (en) | Dust-removing atomizing blackboard 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: 20130710 Termination date: 20131130 |