CN204749658U - Dry -wet two -purpose eraser - Google Patents
Dry -wet two -purpose eraser Download PDFInfo
- Publication number
- CN204749658U CN204749658U CN201520338150.3U CN201520338150U CN204749658U CN 204749658 U CN204749658 U CN 204749658U CN 201520338150 U CN201520338150 U CN 201520338150U CN 204749658 U CN204749658 U CN 204749658U
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- CN
- China
- Prior art keywords
- water
- water storage
- wet
- eraser
- storage case
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- Expired - Fee Related
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- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model relates to a dry -wet two -purpose eraser, wipe it and simultaneously be equipped with the brush another side and be equipped with the sponge brush including rotatable two -sided, two -sided wiping is connected with the water storage box through the connecting rod, be equipped with a plurality of bottom plate holes on the water storage box bottom board, be equipped with the water -stop sheet of an inseparable laminating above water storage box bottom board have on the water -stop sheet with water storage box bottom board on the bottom plate pore pair water proof hole of answering. The utility model discloses simple structure, convenient to use can thoroughly clean the chalk end on the blackboard.
Description
Technical field
The utility model relates to realia technical field, is specially a kind of Wet-dry blackboard eraser.
Background technology
When school erases the board, usually can run into following problem: erase the board with traditional blackboard eraser, after a period of time, chalk powder accumulates in the recess of blackboard rough surface, and blackboard is turned white, the word on blackboard is more and more difficult identification also; If erase the board with the cloth drenched, especially time residual on blackboard chalk powder is more, rag can only wipe the chalk powder of small part, and the wettability power of rag is poor, unnecessary moisture can be stayed on blackboard, water and chalk powder form uneven mixing material on blackboard surface, after moisture evaporation, blackboard can leave white vestige.
At a kind of blackboard eraser that 2013 03 month 13 days disclose in invention disclosed patent CN102963187A, the cavernous body comprising blackboard eraser body and dock with it, it is characterized in that, described blackboard eraser body is provided with successively the water inlet of connection, water storage box and delivery port, described water inlet is provided with switching device, described delivery port is the some through holes being opened on cavernous body side, and the bottom of described cavernous body is provided with projection.If but this structure not humidification only use dry cavernous body can not play the effect of good wiping; Cavernous body has been stained with water, can only wipe small part chalk powder and blackboard surface can be made to form uneven mixing material.
Summary of the invention
In order to solve the problem, the utility model provides a kind of Wet-dry blackboard eraser, and the utility model structure is simple, easy to operate, thoroughly can clean the chalk powder on blackboard.
The technical solution adopted in the utility model is: a kind of Wet-dry blackboard eraser, it is characterized in that: comprise its one side of rotatable two-side eraser and be provided with hairbrush another side and be provided with sponge brush, described two-side eraser is connected with water storage case by connecting rod, described water storage case base plate is provided with some bottom plate holes, above water storage case base plate, be provided with a water-stop sheet fitted tightly, described water-stop sheet has the water proof hole corresponding with the bottom plate hole on water storage case base plate.
Preferably, be respectively provided with two in the position that described water storage case base plate is corresponding with water-stop sheet and mutually can fasten spring groove, in spring groove, be provided with elastic force apparatus.
Preferably, described two-side eraser two ends are movably connected on connecting rod.
Preferably, described connecting rod is the linkage that can stretch.
Preferably, described elastic force apparatus is Compress Spring.
The invention has the beneficial effects as follows: structure is simple, easy to use, thoroughly can clean the chalk powder on blackboard.
Accompanying drawing explanation
Fig. 1 is profile of the present invention;
Fig. 2 is the schematic diagram of aqua storage tank bottom surface and water-stop sheet.
In figure: 1 two-side eraser, 2 connecting rods, 3 water storage cases, 4 water-stop sheets, 5 water storage lids, 6 spring grooves, 7 bottom plate holes, 8 water proof holes, 9 elastic force apparatus.
Detailed description of the invention
A kind of Wet-dry blackboard eraser as shown in Figure 1, comprise rotatable two-side eraser 1 wherein one side be sponge brush for hairbrush another side, first using the one side of hairbrush to wipe clean chalk powder on blackboard during use, cleaning further using sponge brush.Two-side eraser 1 is connected with water storage case 3 by connecting rod 2, and connecting rod 2 is the linkage that can stretch and fix, and only need elongate connecting rod 2 when two-side eraser 1 changes face, rotates two-side eraser 1; The water storage lid 5 that water storage case 3 is conveniently poured water in addition.
As shown in Figure 2, fit tightly between aqua storage tank 2 bottom surface and water-stop sheet 8, water storage case 2 base plate is provided with some bottom plate holes 7, described water-stop sheet 4 has the water proof hole 8 corresponding with the bottom plate hole 7 on water storage case base plate.When the spongy surface of two-side eraser 1 needs water time, water-stop sheet 4 is pushed inward, the water proof hole 8 of bottom plate hole 7 correspondence is overlapped, water is flowed out from water storage case 3.Unclamp water-stop sheet 4 and get back to original position owing to there being elastic force apparatus 9 to promote water-stop sheet 4 in spring groove 6, elastic force apparatus 9 is here specially Compress Spring.
Claims (4)
1. a Wet-dry blackboard eraser, it is characterized in that: comprise its one side of rotatable two-side eraser (1) and be provided with hairbrush another side and be provided with sponge brush, described two-side eraser (1) is connected with water storage case (3) by connecting rod (2), described water storage case (2) base plate is provided with some bottom plate holes (7), a water-stop sheet fitted tightly (4) is provided with above water storage case (2) base plate, described water-stop sheet (4) has the water proof hole (8) corresponding with the bottom plate hole (7) on water storage case base plate, described water storage case base plate and the corresponding position of water-stop sheet (4) are respectively provided with two and mutually can fasten spring groove (6), elastic force apparatus (9) is provided with in spring groove (6).
2. a kind of Wet-dry blackboard eraser according to claim 1, is characterized in that, described two-side eraser (1) two ends are movably connected on connecting rod (2).
3. a kind of Wet-dry blackboard eraser according to claim 1, is characterized in that, described connecting rod (2) is the linkage that can stretch.
4. a kind of Wet-dry blackboard eraser according to claim 1, is characterized in that, described elastic force apparatus (9) is Compress Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520338150.3U CN204749658U (en) | 2015-05-25 | 2015-05-25 | Dry -wet two -purpose eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520338150.3U CN204749658U (en) | 2015-05-25 | 2015-05-25 | Dry -wet two -purpose eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204749658U true CN204749658U (en) | 2015-11-11 |
Family
ID=54464407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520338150.3U Expired - Fee Related CN204749658U (en) | 2015-05-25 | 2015-05-25 | Dry -wet two -purpose eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204749658U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105966128A (en) * | 2016-06-30 | 2016-09-28 | 岑溪市拓丰科技发展有限公司 | Dust-free eraser |
| CN105966127A (en) * | 2016-05-26 | 2016-09-28 | 刘乐凝 | Dustproof blackboard eraser |
| CN108215600A (en) * | 2018-04-15 | 2018-06-29 | 李昶进 | A kind of device of quick erasing blackboard |
-
2015
- 2015-05-25 CN CN201520338150.3U patent/CN204749658U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105966127A (en) * | 2016-05-26 | 2016-09-28 | 刘乐凝 | Dustproof blackboard eraser |
| CN105966128A (en) * | 2016-06-30 | 2016-09-28 | 岑溪市拓丰科技发展有限公司 | Dust-free eraser |
| CN108215600A (en) * | 2018-04-15 | 2018-06-29 | 李昶进 | A kind of device of quick erasing blackboard |
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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: 20151111 Termination date: 20160525 |