CN2654373Y - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN2654373Y CN2654373Y CN 200320122118 CN200320122118U CN2654373Y CN 2654373 Y CN2654373 Y CN 2654373Y CN 200320122118 CN200320122118 CN 200320122118 CN 200320122118 U CN200320122118 U CN 200320122118U CN 2654373 Y CN2654373 Y CN 2654373Y
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- Prior art keywords
- blackboard
- blackboard eraser
- utility
- rotating shaft
- model
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Abstract
The utility model relates to a new type eraser, belonging to the operation and transportation part, printing subsection, writing or drawing articles, the small class of the writing or drawing assistant articles, the composite technical fields of the cleaning device of the blackboard or the slabstone, aiming at solving the technical problems that the blackboard can be erased without using the manpower, which is convenient and can save labor; and the eraser is difficult to find when the blackboard is not erased. The utility model comprises a blackboard frame, a guide rail, a sliding block, a steel strip, a small-sized motor, a magnet, a felt block and a rotating shaft. The utility model is characterized in that the shaft body of the rotating shaft is windingly connected with one end of the steel strip; the other end of the steel strip is connected with the surface position of the sliding block by a rivet; the whole middle cavity of the sliding block is traversing connected with the exterior position of the guide rail; the whole position of a control switch is fixed on the upper surface of the exterior shell of the eraser; the lower end face of the shell of the eraser is sticky connected with the lower surface of the whole magnet; the utility model has an extensive use, which is easy for extension.
Description
(1) technical field:
The utility model relates to novel blackboard eraser, divides by International Patent Classification (IPC) (IPC) to belong to operation, Department of Transportation, printing branch, write or drawing appliance, the big class of office appliance is write or drawing article, the assistant product group of writing or draw, the cleaning device technical group field of blackboard or slabstone.
(2) background technology:
At present, the technology about the cleaning device group of blackboard or slabstone existing and that once had was all done very fruitful effort to the demand of novel blackboard eraser, also once designed many outstanding technical schemes.As declaring of the Decree of Patent Office of China on the 23rd October in 2002 by Wang Haining, Granted publication is CN2517591Y, China Patent No. (ZL) is: No. 01228599.5 utility model patent title is the utility model patent of " dust-free black board eraser ", the technical scheme that is adopted.Technical elements in the cleaning device group of blackboard or slabstone is a routine of great value invention, and it has solved the technical problem that reduces pernicious gas content in the air effectively.But still have some deficits, it also is difficult to, and solving erases the board does not need manpower, convenient and strength-saving, the technical problem that blackboard eraser is difficult for can not find when not wiping.
(3) summary of the invention:
The purpose of this utility model is to provide a kind of novel blackboard eraser.Erasing the board with solution does not need manpower, convenient and strength-saving, the technical problem that blackboard eraser is difficult for can not find when not wiping.
The novel 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: blackboard frame, blackboard, guide rail, slide body, steel band, blackboard eraser shell, gauge tap, micro-machine, magnet, felt piece, rotating shaft constitute.Its major part blackboard frame, blackboard, gauge tap, micro-machine, magnet, felt piece, rotating shaft are selected for use by market.Its guide rail is that the cross section is rectangular stock shape, is material with timber, through the planing operation manufacturing.Its slide body is notched hollow rectangular shape, is material with the aluminium alloy, through the specially-shaped processing and manufacturing.Its blackboard eraser shell is the rectangular hull shape shape that upper surface band boss rises, and is material with plastics, through the specially-shaped processing and manufacturing.
In shape, structure and combination thereof, the total essential features of novel blackboard eraser of the present utility model and immediate prior art is: the integral position of blackboard is inlayed the interior location that is installed in the blackboard frame, the bottom end positions of blackboard frame is fixedly connected on the end positions of guide rail, be combined into the integrative-structure of long square plate shape shape, function has been that the plane of writing is provided, and supports the effect of blackboard.The outer lower face position that is connected the blackboard eraser shell is pasted in the upper surface position of felt piece, and the nested integral position that is installed in micro-machine of the interior location of blackboard eraser shell is combined into the combining structure of blackboard eraser shape, and function has been the effect that erases the board.The interior location of micro-machine is connected electrically in the axis body position of rotating shaft, the interior location of micro-machine is connected electrically in the interior location of gauge tap, be combined into the integrative-structure of circuitry shapes, function has been that the control motor rotates, and drives the rotating shaft campaign labour-saving that erases the board and acts on.In shape, structure and combination thereof, the novel blackboard eraser of the present utility model technical characterictic different with immediate prior art is: the integral position of rotating shaft is fixedly mounted on the interior location of blackboard eraser shell, the axis body position of rotating shaft is intertwined and connected at an end position of steel band, be combined into the combining structure of band steel band shape in the shell, function has been that the rotating shaft rotating makes steel band elongate or shorten the effect of different length.The other end position of steel band is connected the upper surface position of slide body by rivet, the external position that is connected guide rail is passed through in the whole intermediate cavity position of slide body, be combined into the bascule of slide block slip shape on guide rail, function has been to make blackboard eraser do the effect that moves up and down on blackboard according to needs.The integral position of gauge tap is fixedly mounted on the external upper position of blackboard eraser shell, the whole lower surface position that is connected magnet is pasted in the interior lower end face position of blackboard eraser shell, be combined into the combining structure of belt length square shape in the shell, function has been the control switch, the control blackboard eraser moves, and magnet makes blackboard eraser be attached to effect on the blackboard.So just having realized that novel blackboard eraser of the present utility model solves to erase the board does not need manpower, convenient and strength-saving, the purpose of the technical problem that blackboard eraser is difficult for can not find when not wiping.
The beneficial effect of the novel blackboard eraser of utility model is that the utility model is to solve to erase the board not need manpower, convenient and strength-saving, the technical scheme that technical problem adopted that blackboard eraser is difficult for can not find when not wiping has been compared three place's advantage and improvement with existing with the technology about the cleaning device group of blackboard or slabstone that once had:
First, because the integral position that has designed rotating shaft in the technical scheme of novel blackboard eraser of the present utility model is fixedly mounted on the interior location of blackboard eraser shell, the axis body position of rotating shaft is intertwined and connected at an end position of steel band, be combined into the combining structure of band steel band shape in the shell, so easier solution rotating shaft rotating makes steel band elongate or shorten the technical problem of different length.
Second, because the other end position of having designed steel band in the technical scheme of novel blackboard eraser of the present utility model is connected the upper surface position of slide body by rivet, the external position that is connected guide rail is passed through in the whole intermediate cavity position of slide body, be combined into the bascule of slide block slip shape on guide rail, so easier solution makes blackboard eraser do the technical problem that moves up and down as required on blackboard.
The 3rd, because the integral position that has designed gauge tap in the technical scheme of novel blackboard eraser of the present utility model is fixedly mounted on the external upper position of blackboard eraser shell, the whole lower surface position that is connected magnet is pasted in the interior lower end face position of blackboard eraser shell, be combined into the combining structure of belt length square shape in the shell, so easier solution gauge tap, the control blackboard eraser moves, and magnet makes blackboard eraser be attached to technical problem on the blackboard.
(4) description of drawings:
Accompanying drawing provides the structural representation of novel blackboard eraser of the present utility model:
Fig. 1: the whole main TV structure schematic diagram that is novel blackboard eraser of the present utility model:
Fig. 2: the guide rail sectional structure schematic diagram that is novel blackboard eraser of the present utility model:
Fig. 3: the blackboard eraser sectional structure schematic diagram that is novel blackboard eraser of the present utility model:
The label declaration of parts in the schematic diagram:
1 blackboard frame, 2 blackboards, 3 guide rails, 4 slide bodies
5 steel bands, 6 blackboard eraser shells, 7 gauge taps, 8 micro-machines
11 rotating shafts of 9 magnet, 10 felt pieces
(5) specific embodiment:
Below in conjunction with accompanying drawing, novel blackboard eraser of the present utility model is not needed manpower for realizing that solving erases the board, convenient and strength-saving, the optimal way of the technical scheme that the technical problem that blackboard eraser is difficult for can not find when not wiping is taked is described further:
Its static structure: please join accompanying drawing: as shown in the figure, novel blackboard eraser of the present utility model mainly is made of blackboard frame 1, blackboard 2, guide rail 3, slide body 4, steel band 5, blackboard eraser shell 6, gauge tap 7, micro-machine 8, magnet 9, felt piece 10, rotating shaft 11.Its major part blackboard frame 1, blackboard 2, gauge tap 7, micro-machine 8, magnet 9, felt piece 10, rotating shaft 11 are selected for use by market.Its guide rail 3 is that the cross section is rectangular stock shape, is material with timber, through the planing operation manufacturing.Its slide body 4 is notched hollow rectangular shapes, is material with the aluminium alloy, through the specially-shaped processing and manufacturing.Its blackboard eraser shell 6 is rectangular hull shape shapes that upper surface band boss rises, and is material with plastics, through the specially-shaped processing and manufacturing.
In shape, structure and combination thereof, the total essential features of novel blackboard eraser of the present utility model and immediate prior art is: the integral position of blackboard 2 is inlayed the interior location that is installed in blackboard frame 1, the bottom end positions of blackboard frame 1 is fixedly connected on the end positions of guide rail 3, be combined into the integrative-structure of long square plate shape shape, function has been that the plane of writing is provided, and supports the effect of blackboard.The outer lower face position that is connected blackboard eraser shell 6 is pasted in the upper surface position of felt piece 10, and the nested integral position that is installed in micro-machine 8 of the interior location of blackboard eraser shell 6 is combined into the combining structure of blackboard eraser shape, and function has been the effect that erases the board.The interior location of micro-machine 8 is connected electrically in the axis body position of rotating shaft 11, the interior location of micro-machine 8 is connected electrically in the interior location of gauge tap 7, be combined into the integrative-structure of circuitry shapes, function has been that the control motor rotates, and drives the rotating shaft campaign labour-saving that erases the board and acts on.In shape, structure and combination thereof, the novel blackboard eraser of the present utility model technical characterictic different with immediate prior art is: the integral position of rotating shaft 11 is fixedly mounted on the interior location of blackboard eraser shell 6, the axis body position of rotating shaft 11 is intertwined and connected at an end position of steel band 5, be combined into the combining structure of band steel band shape in the shell, function has been that the rotating shaft rotating makes steel band elongate or shorten the effect of different length.The other end position of steel band 5 is connected the upper surface position of slide body 4 by rivet, the external position that is connected guide rail 3 is passed through in the whole intermediate cavity position of slide body 4, be combined into the bascule of slide block slip shape on guide rail, function has been to make blackboard eraser do the effect that moves up and down on blackboard according to needs.The integral position of gauge tap 7 is fixedly mounted on the external upper position of blackboard eraser shell 6, the whole lower surface position that is connected magnet 9 is pasted in the interior lower end face position of blackboard eraser shell 6, be combined into the combining structure of belt length square shape in the shell, function has been the control switch, the control blackboard eraser moves, and magnet makes blackboard eraser be attached to effect on the blackboard.
Below by using method, further set forth the dynamic structure relation of this practical novel blackboard eraser: in use, when needs erase the board, according to electricity, theory of mechanics, at first by the key that erases the board on the gauge tap 7, micro-machine 8 rotates rotating shaft 11 then, and steel band 5 elongates or shortens blackboard eraser is moved up and down then again, slide body 4 does not need the task of manpower wiping along guide rail 3 move left and right thereby finish to erase the board simultaneously.
In use, when needs do not erase the board, according to electricity, theory of mechanics, at first press the stop key on the gauge tap 7, rotating shaft 11 is rotated and is rolled steel band 5 then, and slide body 4 is to sliding on one side, blackboard eraser is parked in 2 one jiaos on blackboard then again, thereby finishes the out of the way task of blackboard eraser when not erasing the board.So just having realized that novel blackboard eraser of the present utility model solves to erase the board does not need manpower, convenient and strength-saving, the purpose of the technical problem that blackboard eraser is difficult for can not find when not wiping.
Realize that preferred plan of the present utility model is is material with timber, aluminium alloy, plastics, utilize the basic equipment of teaching aid factory, take to produce by batch in a large number,, so just can realize the practical value and the economic worth of novel blackboard eraser of the present utility model better with the demand of supply educational circles.
Claims (3)
1. novel blackboard eraser, it is by blackboard frame (1), blackboard (2), guide rail (3), slide body (4), steel band (5), blackboard eraser shell (6), gauge tap (7), micro-machine (8), magnet (9), felt piece (10), rotating shaft (11) constitutes, the integral position of its blackboard (2) is inlayed the interior location that is installed in blackboard frame (1), the bottom end positions of blackboard frame (1) is fixedly connected on the end positions of guide rail (3), the outer lower face position that is connected blackboard eraser shell (6) is pasted in the upper surface position of felt piece (10), the nested integral position that is installed in micro-machine (8) of the interior location of blackboard eraser shell (6), the interior location of micro-machine (8) is connected electrically in the axis body position of rotating shaft (11), the interior location of micro-machine (8) is connected electrically in the interior location of gauge tap (7), it is characterized in that: the integral position of rotating shaft (11) is fixedly mounted on the interior location of blackboard eraser shell (6), and the axis body position of rotating shaft (11) is intertwined and connected at an end position of steel band (5).
2. novel blackboard eraser according to claim 1 is characterized in that: the other end position of steel band (5) is connected the upper surface position of slide body (4) by rivet, and the external position that is connected guide rail (3) is passed through in the whole intermediate cavity position of slide body (4).
3. novel blackboard eraser according to claim 1, it is characterized in that: the integral position of gauge tap (7) is fixedly mounted on the external upper position of blackboard eraser shell (6), and the whole lower surface position that is connected magnet (9) is pasted in the interior lower end face position of blackboard eraser shell (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320122118 CN2654373Y (en) | 2003-11-25 | 2003-11-25 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320122118 CN2654373Y (en) | 2003-11-25 | 2003-11-25 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2654373Y true CN2654373Y (en) | 2004-11-10 |
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ID=34348535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320122118 Expired - Fee Related CN2654373Y (en) | 2003-11-25 | 2003-11-25 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2654373Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160913A (en) * | 2017-06-30 | 2017-09-15 | 无锡市南长街小学 | A kind of blackboard of being easy to cleaning of pupil |
-
2003
- 2003-11-25 CN CN 200320122118 patent/CN2654373Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160913A (en) * | 2017-06-30 | 2017-09-15 | 无锡市南长街小学 | A kind of blackboard of being easy to cleaning of pupil |
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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 |