CN204414963U - A kind of dust-proof slidably blackboard eraser - Google Patents
A kind of dust-proof slidably blackboard eraser Download PDFInfo
- Publication number
- CN204414963U CN204414963U CN201520024011.3U CN201520024011U CN204414963U CN 204414963 U CN204414963 U CN 204414963U CN 201520024011 U CN201520024011 U CN 201520024011U CN 204414963 U CN204414963 U CN 204414963U
- Authority
- CN
- China
- Prior art keywords
- brush
- groove
- blackboard
- outer cover
- dust
- 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 teaching aid, particularly the dust-proof slidably blackboard eraser of one.It comprises scrubbing brush and blackboard, it is characterized in that: described scrubbing brush is made up of groove and brush, described brush is stuck in groove, the upper and lower two ends of described blackboard are provided with slide rail, described groove two ends connect pulley, and described pulley is positioned at slide rail, and described slot opening is towards blackboard, be flexibly connected outer cover outside described groove, the width of described outer cover is greater than the width of base plate.Described brush is made up of upper brush and lower brush, and described groove is made up of base plate, portable plate and fixed head, described portable plate and base plate hinged, and described portable plate is provided with lockset, and described outer cover is provided with handle.The utility model can light erasing chalk word, prevents dust from flying, and brush bar can dismounting and change, easy to use, economize on resources.
Description
(1) technical field
The utility model relates to a kind of teaching aid, particularly the dust-proof slidably blackboard eraser of one.
(2) background technology
At present, most schools still uses normal blackboard brush erasing chalk word, effort is compared in erase process, when particularly will wipe a monoblock blackboard, also be not easy to clip at the letter written with chalk of blackboard eminence, and dust is floating aloft in wiping process, causes air dirty, affect the health of teachers and students.
(3) summary of the invention
The utility model in order to make up the defect of prior art, provide a kind of can letter written with chalk on fast erase blackboard, and prevent the blackboard eraser of dust pollution.
The utility model is achieved by the following technical solution:
A kind of dust-proof slidably blackboard eraser, comprise scrubbing brush and blackboard, it is characterized in that: described scrubbing brush is made up of groove and brush, described brush is stuck in groove, and the upper and lower two ends of described blackboard are provided with slide rail, and described groove two ends connect pulley, described pulley is positioned at slide rail, described slot opening, towards blackboard, is flexibly connected outer cover outside described groove, and the width of described outer cover is greater than the width of groove.
Described brush is made up of upper brush and lower brush, and described groove is made up of base plate, portable plate and fixed head, described portable plate and base plate hinged, is provided with lockset between described portable plate and fixed head.
Described outer cover is provided with handle.
The beneficial effects of the utility model are:
The length of the utility model base plate is suitable with the width of blackboard, the handle gripped on outer cover can be wiped along blackboard sliding recess, even the letter written with chalk above blackboard also can easily be wiped, groove is connected with outer cover by connecting axle, prevents dust from flying, brush and fit depressions, make brush can dismounting and change and cleaning, economize on resources, upper brush can facilitate during the wiping of local and uses, and outer cover is flexibly connected with groove, convenient removing chalk foam.
(4) accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing 1 is main TV structure schematic diagram of the present utility model;
Accompanying drawing 2 is looked for a left side of the present utility model, broken section structural representation;
Accompanying drawing 3 be in Fig. 2 A-A to the cross section structure schematic diagram of groove.
In figure, 1 blackboard, 2 slide rails, 3 pulleys, 4 base plates, 5 portable plates, brush on 6,7 times brushes, 8 locksets, 9 outer covers, 10 handles, 11 fixed heads.
(5) detailed description of the invention
Accompanying drawing is specific embodiment of the utility model.As shown in Figure 1 to Figure 3, a kind of dust-proof slidably blackboard eraser, comprise scrubbing brush and blackboard, scrubbing brush is made up of groove and brush, blackboard about 1 two ends are provided with slide rail 2, groove two ends are connected with pulley 3, and pulley 3 is positioned at slide rail 2, and groove lateral surface is flexibly connected outer cover 9, the width of outer cover 9 is slightly larger than the width of groove, be convenient to groove move freely on slide rail 2, and the major part of scrubbing brush can cover by outer cover 9, and can access chalk dust.Outer cover 9 is provided with handle 10.Slot opening is facing to blackboard 1, and groove is made up of base plate 4, portable plate 5 and fixed head 11, and portable plate 5 is hinged with base plate 4, and portable plate 5 is provided with lockset 8.Be provided with brush in groove, brush is made up of upper brush 6 and lower brush 7, and upper brush 6 and lower brush 7 are connected in groove 5.
When wiping monoblock blackboard, hold handle 10 and can wipe along blackboard sliding recess, outer cover 9, for collecting the chalk dust under brush bar brush, avoids chalk dust to drift everywhere.When needs part is wiped, only upper brush 6 need be taken off and carry out wiping, after brush has been damaged, the brush that can more renew, outer cover 9 is made by transparent material.
Except technical characteristic described in description, all the other technical characteristics are those skilled in the art's known technology.
Claims (3)
1. a dust-proof slidably blackboard eraser, comprise scrubbing brush and blackboard (1), it is characterized in that: described scrubbing brush is made up of groove and brush, described brush is stuck in groove, and described blackboard (1) is provided with slide rail (2) in two ends up and down, and described groove two ends connect pulley (3), pulley (3) is positioned at slide rail (2), described slot opening, towards blackboard (1), is flexibly connected outer cover (9) outside described groove, the width of described outer cover (9) is greater than the width of groove.
2. dust-proof slidably blackboard eraser according to claim 1, it is characterized in that: described brush is made up of upper brush (6) and lower brush (7), described groove is made up of base plate (4), portable plate (5) and fixed head (11), described portable plate (5) is hinged with base plate (4), is provided with lockset (8) between described portable plate (5) and fixed head.
3. dust-proof slidably blackboard eraser according to claim 1 and 2, is characterized in that: described outer cover (9) is provided with handle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520024011.3U CN204414963U (en) | 2015-01-14 | 2015-01-14 | A kind of dust-proof slidably blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520024011.3U CN204414963U (en) | 2015-01-14 | 2015-01-14 | A kind of dust-proof slidably blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204414963U true CN204414963U (en) | 2015-06-24 |
Family
ID=53465363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520024011.3U Expired - Fee Related CN204414963U (en) | 2015-01-14 | 2015-01-14 | A kind of dust-proof slidably blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204414963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244639A (en) * | 2018-09-18 | 2019-01-18 | 张淼淼 | A kind of antenna vibrator for mobile communication base station |
-
2015
- 2015-01-14 CN CN201520024011.3U patent/CN204414963U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244639A (en) * | 2018-09-18 | 2019-01-18 | 张淼淼 | A kind of antenna vibrator for mobile communication base station |
| CN109244639B (en) * | 2018-09-18 | 2020-07-24 | 广东盛路通信科技股份有限公司 | Antenna oscillator of mobile communication base station |
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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: 20150624 Termination date: 20160114 |