CN204383003U - Portable blackboard eraser - Google Patents
Portable blackboard eraser Download PDFInfo
- Publication number
- CN204383003U CN204383003U CN201420841060.1U CN201420841060U CN204383003U CN 204383003 U CN204383003 U CN 204383003U CN 201420841060 U CN201420841060 U CN 201420841060U CN 204383003 U CN204383003 U CN 204383003U
- Authority
- CN
- China
- Prior art keywords
- slide rail
- blackboard eraser
- sieve plate
- housing
- air inlet
- 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 relates to a kind of portable blackboard eraser.It comprises body.Be characterized in that described body is strip, a side of body is provided with the hairbrush for erasing the board from top to bottom, the two ends of body are all connected with slide rail, and longitudinal vertical all with body of slide rail, the two ends of body are that moving type snaps onto in corresponding slide rail.The bottom of described body is provided with handle.The operating efficiency using this blackboard eraser to erase the board is higher, can avoid potential safety hazard.Small gas mercury removal device of the present utility model comprises housing, and housing one sidewall has air inlet pipe, and another housing sidewall relative with this sidewall has escape pipe, and the axis of air inlet pipe and the axis of escape pipe are on the same line.Have the sieve plate that two pieces are parallel to each other in described housing cavity, the plate face of sieve plate all with the axes normal of air inlet pipe, in being sealed and matched between the surrounding of sieve plate and inner walls, in the housing cavity between two sieve plate, be filled with the activated carbon granule for demercuration.Small volume, the structure of this mercury removal device are simple, and the space taking kitchen is less, and the cost of needs is lower.
Description
Technical field
The utility model relates to a kind of realia, is the portable blackboard eraser that can complete the work of erasing the board fast specifically.
Background technology
As everyone knows, all can be provided with blackboard in nearly all classroom, blackboard after a procedure, is all wiped clean with blackboard eraser.At present, the blackboard eraser used in classroom is exactly a simple block hairbrush.During use, with hand-held hairbrush, blackboard surface is wiped.Because traditional blackboard eraser only has a block hairbrush, the blackboard area of the wiping when brandishing an arm is less, operating efficiency is lower, and blackboard generally install higher, short people holds the top that traditional blackboard eraser cannot clip blackboard at all, by other instruments (as stepping down on stool), operating efficiency need be reduce further, also there is potential safety hazard.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of portable blackboard, and the operating efficiency using this blackboard eraser to erase the board is higher, can avoid potential safety hazard.
For solving the problem, provide following technical scheme:
Portable blackboard eraser of the present utility model, comprises body.Be characterized in that described body is strip, a side of body is provided with the hairbrush for erasing the board from top to bottom, the two ends of body are all connected with slide rail, and longitudinal vertical all with body of slide rail, the two ends of body are that moving type snaps onto in corresponding slide rail.The bottom of described body is provided with handle.
Wherein, the two ends of described body are all fixed with roller, and described roller is all positioned at corresponding slide rail, and coordinate in rolling between roller with corresponding slide rail.
Take above scheme, have the following advantages:
Body due to portable blackboard eraser of the present utility model is strip, one side of body is provided with the hairbrush for erasing the board from top to bottom, the two ends of body are all connected with slide rail, longitudinal vertical all with body of slide rail, the two ends of body are that moving type snaps onto in corresponding slide rail, and the bottom of body is provided with handle.During use, the hairbrush of body be face toward blackboard, and the track at two ends is fixedly installed on the upper and lower limit of blackboard respectively, when needing to erase the board, with hand-held handle, body is dragged to the other end from horizontal one end of blackboard and can completes the work erased the board, thus improve work, and be positioned at body lower part due to handle, short people does not need the top that just can wipe blackboard by other instruments (as stool) in use yet, improve operating efficiency, avoid potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the structural representation of portable blackboard eraser of the present utility model.
Detailed description of the invention
Be described in further detail of the present utility model below in conjunction with accompanying drawing.
As shown in Figure 1, portable blackboard eraser of the present utility model comprises the body 1 of strip, this body 1 is made up of plank, one side is provided with the hairbrush for erasing the board from top to bottom, the two ends of body 1 are all connected with slide rail 2, longitudinal vertical all with body 1 of slide rail 2, and the two ends of body 1 are all fixed with roller 4, described roller 4 is all positioned at corresponding slide rail 2, and coordinates in rolling between roller 4 with corresponding slide rail 2.The bottom of described body 1 is provided with handle 3.
During use, by the hairbrush of body 1 towards blackboard, and the track at two ends is fixedly installed on the upper and lower limit of blackboard respectively, when needing to erase the board, with hand-held handle 3, body 1 is dragged to the other end from horizontal one end of blackboard.
Claims (2)
1. portable blackboard eraser, comprises body (1); It is characterized in that described body (1) is strip, one side of body (1) is provided with the hairbrush for erasing the board from top to bottom, the two ends of body (1) are all connected with slide rail (2), longitudinal vertical all with body (1) of slide rail (2), the two ends of body (1) are that moving type snaps onto in corresponding slide rail (2); The bottom of described body (1) is provided with handle (3).
2. portable blackboard eraser as claimed in claim 1, it is characterized in that the two ends of described body (1) are all fixed with roller (4), described roller (4) is all positioned at corresponding slide rail (2), and coordinates in rolling between roller (4) with corresponding slide rail (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420841060.1U CN204383003U (en) | 2014-12-27 | 2014-12-27 | Portable blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420841060.1U CN204383003U (en) | 2014-12-27 | 2014-12-27 | Portable blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204383003U true CN204383003U (en) | 2015-06-10 |
Family
ID=53355752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420841060.1U Expired - Fee Related CN204383003U (en) | 2014-12-27 | 2014-12-27 | Portable blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204383003U (en) |
-
2014
- 2014-12-27 CN CN201420841060.1U patent/CN204383003U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20151227 |
|
| EXPY | Termination of patent right or utility model |