CN203496521U - Dustproof chalkboard eraser - Google Patents
Dustproof chalkboard eraser Download PDFInfo
- Publication number
- CN203496521U CN203496521U CN201320282478.9U CN201320282478U CN203496521U CN 203496521 U CN203496521 U CN 203496521U CN 201320282478 U CN201320282478 U CN 201320282478U CN 203496521 U CN203496521 U CN 203496521U
- Authority
- CN
- China
- Prior art keywords
- dustproof
- chalkboard eraser
- eraser
- cavity
- hand
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a dustproof chalkboard eraser. The dustproof chalkboard eraser comprises a handheld block and a felt part arranged below the handheld block, wherein the dustproof chalkboard eraser further comprises a cover used for closing the felt part, and the cover is detachably connected to the handheld block. The dustproof chalkboard eraser has a dustproof effect.
Description
Technical field
The utility model belongs to a kind of dust-proof chalk eraser.
Background technology
In the educational institutions such as school, conventionally the frequency of utilization of blackboard is very high, and then existing chalkboard eraser is just placed on lectern or in blackboard slot when wiping blackboard, make the felt portion of chalkboard eraser exposed in air dust be easily scattered.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, and a kind of dust-proof chalk eraser is provided.
To achieve these goals, the utility model has adopted following technical proposal: a kind of dust-proof chalk eraser, and the felt portion that it comprises hand block and is arranged on hand-held below, wherein, described chalkboard eraser also comprises that one for sealing the lid of felt portion, and lid becomes dismounting to be connected with hand block.
Lid and hand-held dismounting between fast be connected with a variety of forms comprise be threaded, the form such as clamping; Owing to being provided with this lid, felt can being built and played dustproof effect.
Wherein, described chalkboard eraser also includes brush, and the top of hand block offers cavity, and one end of brush is arranged in cavity by elasticity connection cord.When needs clean, brush can be cleared up from taking out in cavity.
Wherein, on each sidewall of described cavity, be all bonded with elasticity shutter.The Length Ratio sidewall length of elasticity shutter, has larger area when elasticity shutter is outwards opened, and prevents that dust from falling on hand when erasing the board.
Below with reference to drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model dust-proof chalk eraser.
The specific embodiment
Refer to Fig. 1, a kind of dust-proof chalk eraser, it comprises hand block 1, be arranged on the felt portion 6 of hand-held below and for sealing the lid 2 of felt portion, 1 one-tenth dismounting of lid 2 and hand block is connected; Dismounting between lid 2 and hand-held fast 1 be connected with a variety of forms comprise be threaded, the form such as clamping; Chalkboard eraser also includes brush 4, and the top of hand block 1 offers cavity, and one end of brush 4 is arranged in cavity by elasticity connection cord 5.When felt portion 6 need to clear up, brush 4 can be cleared up from taking out in cavity.On each sidewall of cavity, be all bonded with elasticity shutter 3, the Length Ratio sidewall length of elasticity shutter 3, has larger area when elasticity shutter 3 is outwards opened, and prevents that dust from falling on hand when erasing the board.
Claims (1)
1. a dust-proof chalk eraser, the felt portion (6) that it comprises hand block (1) and is arranged on hand-held below, it is characterized in that: described chalkboard eraser also comprises that one for sealing the lid (2) of felt portion (6), lid (2) becomes dismounting to be connected with hand block (1); Described chalkboard eraser also includes brush (4), and the top of hand block (1) offers cavity, and one end of brush (4) is arranged in cavity by elasticity connection cord (5); On each sidewall of described cavity, be all bonded with elasticity shutter (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320282478.9U CN203496521U (en) | 2013-05-22 | 2013-05-22 | Dustproof chalkboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320282478.9U CN203496521U (en) | 2013-05-22 | 2013-05-22 | Dustproof chalkboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203496521U true CN203496521U (en) | 2014-03-26 |
Family
ID=50327523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320282478.9U Expired - Fee Related CN203496521U (en) | 2013-05-22 | 2013-05-22 | Dustproof chalkboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203496521U (en) |
-
2013
- 2013-05-22 CN CN201320282478.9U patent/CN203496521U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20150522 |
|
| EXPY | Termination of patent right or utility model |