CN2616404Y - Dry-wet two-purpose eraser - Google Patents
Dry-wet two-purpose eraser Download PDFInfo
- Publication number
- CN2616404Y CN2616404Y CN 03203964 CN03203964U CN2616404Y CN 2616404 Y CN2616404 Y CN 2616404Y CN 03203964 CN03203964 CN 03203964 CN 03203964 U CN03203964 U CN 03203964U CN 2616404 Y CN2616404 Y CN 2616404Y
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- Prior art keywords
- wet
- sponge
- blackboard eraser
- dry
- utility
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Abstract
A dry-wet dual-purpose blackboard eraser belongs to group of cleaning apparatus with chalk dust absorbing device technical field, which falls into auxiliary writing and drawing articles, writing and drawing articles pertaining to office appliances, writing and drawing implements in branch of printing, department of operation and transportation according to International Classification of Patents for Invention (IPC). The utility model, which essentially comprises a case cover, a body, a magnet, a dry sponge, a fixed hook, a wet sponge, and a chute, is provided to solve the technical problem that the prior blackboard eraser can not absorb chalk dusts, which remain on the blackboard and randomly fly in the air, thereby causing air pollution. The utility model is characterized in that, both sides of the case cover is fixed to a slide of the chute with jam-on connection, which is excavated by the two sides of the case cover; the upper portion of the magnet is fixedly connected with the two lower sides of the body with both sides of the lower middle portion thereof fixedly connected to the upper end of the fixed hook, and the whole wet sponge is arranged in an inner wall case equipped in the body with the underside of the body contact connected with the upper surface of the dry sponge. The utility model can be adaptable to practical novel technical projects in group of cleaning apparatus with chalk dust absorbing device field, and has the advantages of extensive usages, simple manufacturing, low cost, and convenient utilization, which is easy to spread.
Description
(1) technical field:
The utility model relates to the Wet-dry blackboard eraser, divides by International Patent Classification (IPC) (IPC) to belong to operation, Department of Transportation, and printing branch is write or drawing appliance; The big class of office appliance is write or drawing article; The assistant product group of writing or draw, big group of the cleaning device of blackboard or slabstone has the technical field of the cleaning device group of sucking chalk powder device.
(2) background technology:
At present, have now and big group of the cleaning device that once had, have the technology of the cleaning device group of sucking chalk powder device that the demand of Wet-dry blackboard eraser was all done very fruitful effort, also once designed many outstanding technical schemes about blackboard or slabstone.As declaring of the Decree of Patent Office of China in 1996 by Wang Juncheng, Granted publication number is CN2235905Y, China Patent No. (ZL) is: No. 95225177.9 utility model patent title is the utility model patent of " dust absorption blackboard eraser ", the technical scheme that is adopted.Big group of the cleaning device of blackboard or slabstone, the technical elements that the cleaning device group of sucking chalk powder device is arranged are routine of great value inventions, and it has solved the technical problem of blackboard eraser dust suction effectively.But still have some deficits, it also is difficult to solve blackboard eraser can not inhale ash, and chalk dust is stayed on the blackboard, and dust disorderly flies air-polluting technical problem.
(3) summary of the invention:
The purpose of this utility model is to provide a kind of Wet-dry blackboard eraser.Can not inhale ash to solve blackboard eraser, chalk dust is stayed on the blackboard, and dust disorderly flies air-polluting technical problem.
The Wet-dry blackboard eraser that the new technical scheme that above-mentioned technical problem to be solved in the utility model adopted is achieved in that this utility model mainly by: lid, box body, magnet, dried sponge, stay hook, wet sponge, chute constitute.Its major part magnet, dried sponge, wet sponge are selected for use by market.Its lid is a rectangular shape, is material with plastics, through the processing and forming manufacturing.Its box body is a cuboid box-like shape, is material with plastics, through the processing and forming manufacturing.Its stay hook is a semi-cylindrical form, is material with plastics, through the processing and forming manufacturing.
In shape, structure and combination thereof, the total essential features of Wet-dry blackboard eraser of the present utility model and immediate prior art is: the lower position of box body is fixedly connected on the top position of dried sponge, be combined into the overall structure of rectangular shape, function has been the effect that erases the board.In shape, structure and combination thereof, the Wet-dry blackboard eraser of the present utility model technical characterictic different with immediate prior art is: position, the both sides card of lid is pressed the slipway location that is installed in chute, the integral position of chute is excavated the dual-side position at box body, be combined into the overall structure of band groove rectangular shape, function has been the openable effect of lid.The top fixed-site of magnet is installed in following two side positions of box body, and both sides, the following middle part fixed-site of box body is connected the upper end position of stay hook, is combined into the combining structure of band semicolumn rectangular shape, and function has been the fixedly effect of sponge.The integral position of wet sponge is placed in the inwall box position of box body, and the lower position contact of box body is connected the top position of dried sponge, is combined into the combining structure of rectangular shape, and function has been the dual-purpose effect of can doing, wet.So just realized that the solution blackboard eraser of Wet-dry blackboard eraser of the present utility model can not inhale ash, chalk dust is stayed on the blackboard, and dust disorderly flies the purpose of air-polluting technical problem.
The beneficial effect of the Wet-dry blackboard eraser of utility model is: the utility model can not be inhaled ash for solving blackboard eraser, chalk dust is stayed on the blackboard, big group of technical scheme that dust disorderly flies air-polluting technical problem to be adopted and the existing and cleaning device about blackboard or slabstone that once had have the technology of the cleaning device group of sucking chalk powder device to compare three advantages and improvement:
First, press the slipway location that is installed in chute owing to designed position, the both sides card of lid in the technical scheme of Wet-dry blackboard eraser of the present utility model, the integral position of chute is excavated the dual-side position at box body, be combined into the overall structure of band groove rectangular shape, so can easier solution cover openable technical problem.
Second, because the top fixed-site that has designed magnet in the technical scheme of Wet-dry blackboard eraser of the present utility model is installed in following two side positions of box body, both sides, the following middle part fixed-site of box body is connected the upper end position of stay hook, be combined into the combining structure of band semicolumn rectangular shape, thus can easier solution the fixing technical problem of sponge.
The 3rd, because the integral position that has designed wet sponge in the technical scheme of Wet-dry blackboard eraser of the present utility model is placed in the inwall box position of box body, the lower position contact of box body is connected the top position of dried sponge, be combined into the combining structure of rectangular shape, so can easier solution can do, wet dual-purpose technical problem.
(4) description of drawings:
Accompanying drawing provides the structural representation of Wet-dry blackboard eraser of the present utility model:
Fig. 1: the overall structure schematic diagram that is Wet-dry blackboard eraser of the present utility model:
Fig. 2: the whole interior structural representation that is Wet-dry blackboard eraser of the present utility model:
The label declaration of parts in the schematic diagram:
1 lid, 2 box bodys, 3 magnet, 4 dried sponges
5 stay hooks, 6 wet sponges, 7 chutes
(5) specific embodiment:
Below in conjunction with accompanying drawing, can not inhale ash to Wet-dry blackboard eraser of the present utility model for realize solving blackboard eraser, chalk dust is stayed on the blackboard, and the optimal way that dust disorderly flies the technical scheme that air-polluting technical problem takes is described further:
Its static structure: please join accompanying drawing: as shown in the figure, Wet-dry blackboard eraser of the present utility model mainly is made of lid 1, box body 2, magnet 3, dried sponge 4, stay hook 5, wet sponge 6, chute 7.Its major part magnet 3, dried sponge 4, wet sponge 6 are selected for use by market.Its lid 1 is a rectangular shape, is material with plastics, through the processing and forming manufacturing.Its box body 2 is cuboid box-like shapes, is material with plastics, through the processing and forming manufacturing.Its stay hook 5 is semi-cylindrical form, is material with plastics, through the processing and forming manufacturing.
In shape, structure and combination thereof, the total essential features of Wet-dry blackboard eraser of the present utility model and immediate prior art is: the lower position of box body 2 is fixedly connected on the top position of dried sponge 4, be combined into the overall structure of rectangular shape, function has been the effect that erases the board.In shape, structure and combination thereof, the Wet-dry blackboard eraser of the present utility model technical characterictic different with immediate prior art is: position, the both sides card of lid 1 is pressed the slipway location that is installed in chute 7, the integral position of chute 7 is excavated the dual-side position at box body 2, be combined into the overall structure of band groove rectangular shape, function has been the openable effect of lid.The top fixed-site of magnet 3 is installed in following two side positions of box body 2, and both sides, the following middle part fixed-site of box body 2 is connected the upper end position of stay hook 5, is combined into the combining structure of band semicolumn rectangular shape, and function has been the fixedly effect of sponge.The integral position of wet sponge 6 is placed in the inwall box position of box body 2, and the lower position contact of box body 2 is connected the top position of dried sponge 4, is combined into the combining structure of rectangular shape, and function has been the dual-purpose effect of can doing, wet.
Below by using method, further set forth the dynamic structure relation of this practical Wet-dry blackboard eraser: in use, when needs the time with dried sponge brush blackboard, principle according to physics, at first dried sponge 4 usefulness stay hooks are hooked, build lid 1 then, erase the board then again, thereby finish erasing the board of task.
In use, when needs erase the board with wet sponge,, at first open the lid 1, take out wet sponge 6 then, change warm sponge 6 more then, thereby finish erasing the board of task with wet sponge according to the principle of physics.So just realized that the solution blackboard eraser of Wet-dry blackboard eraser of the present utility model can not inhale ash, chalk dust is stayed on the blackboard, and dust disorderly flies the purpose of air-polluting technical problem.
Realize that preferred plan of the present utility model is is material with plastics, utilize the basic equipment of teaching aid factory, take mass production,, so just can realize the practical value and the economic worth of Wet-dry blackboard eraser of the present utility model better with the demand of supply educational circles.
Claims (3)
1. Wet-dry blackboard eraser, it is to be made of lid (1), box body (2), magnet (3), dried sponge (4), stay hook (5), wet sponge (6), chute (7), the lower position of its box body (2) is fixedly connected on the top position of dried sponge (4), it is characterized in that: position, the both sides card of lid (1) is pressed the slipway location that is installed in chute (7), and the integral position of chute (7) is excavated the dual-side position at box body (2).
2. Wet-dry blackboard eraser according to claim 1 is characterized in that the top fixed-site of magnet (3) is installed in following two side positions of box body (2), and both sides, the following middle part fixed-site of box body (2) is connected the upper end position of stay hook (6).
3. Wet-dry blackboard eraser according to claim 1 is characterized in that the integral position of wet sponge (6) is placed in the inwall box position of box body (2), and the lower position contact of box body (2) connects the top position that is sponge (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03203964 CN2616404Y (en) | 2003-02-14 | 2003-02-14 | Dry-wet two-purpose eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03203964 CN2616404Y (en) | 2003-02-14 | 2003-02-14 | Dry-wet two-purpose eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2616404Y true CN2616404Y (en) | 2004-05-19 |
Family
ID=34241338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03203964 Expired - Fee Related CN2616404Y (en) | 2003-02-14 | 2003-02-14 | Dry-wet two-purpose eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2616404Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381113A (en) * | 2011-10-10 | 2012-03-21 | 邹宇航 | Absorption type blackboard eraser |
-
2003
- 2003-02-14 CN CN 03203964 patent/CN2616404Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381113A (en) * | 2011-10-10 | 2012-03-21 | 邹宇航 | Absorption type blackboard eraser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |