CN203780161U - Teaching blackboard - Google Patents
Teaching blackboard Download PDFInfo
- Publication number
- CN203780161U CN203780161U CN201420175220.3U CN201420175220U CN203780161U CN 203780161 U CN203780161 U CN 203780161U CN 201420175220 U CN201420175220 U CN 201420175220U CN 203780161 U CN203780161 U CN 203780161U
- Authority
- CN
- China
- Prior art keywords
- elongated slot
- dust
- blackboard
- long groove
- plate body
- 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 discloses a teaching blackboard which comprises a board body and a cleaning device arranged at the bottom of the board body. The cleaning device comprises a long groove with the length equal to the length of the board body, a cleaning brush sliding along the long groove and a dust collecting box arranged at the bottom of the long groove. A fan is arranged at one end of the long groove, a powder discharging opening is formed in the bottom of the other end of the long groove, a slope blocking plate is arranged at the powder discharging opening, a sliding rail is arranged on the inner lateral edge of the long groove, and a sliding groove corresponding to the sliding rail is formed in the lateral edge of the cleaning brush. The teaching blackboard is simple in structure, convenient to operate, high in practicability and high in flexibility. By means of more cleaning tools, powder in the long groove can be clear out. The teaching blackboard needn't be washed with water, so that resources are saved.
Description
Technical field
The utility model relates to realia technical field, especially a kind of blackboard for imparting knowledge to students that is easy to cleaning.
Background technology
In teaching, blackboard is to play vital effect.Some blackboards are to use micro-wet sponge to carry out wiping, and the old-fashioned blackboard using for most schools, to use front kind method blackboard wiping, so after erasing the board, dust can disorderly fly everywhere, and most dust can drop and below blackboard, place in the groove of blackboard eraser and chalk, can only clear up with wet cloth during the dust in groove so in cleaning, but this method is completely the dust in groove to be cleaned out, and wastes time and energy.
Summary of the invention
The technical problems to be solved in the utility model is: the problem for the prior art solving in above-mentioned background technology exists, provides a kind of improved blackboard for imparting knowledge to students.
The utility model solves the technical scheme that its technical problem adopts: a kind of blackboard for imparting knowledge to students, comprise plate body and the cleaning plant that is arranged on plate body bottom, described cleaning plant has the elongated slot with plate body equal length, the cleaning brush sliding along elongated slot and the dust-collecting box that is positioned at elongated slot bottom, end in one end of elongated slot is provided with fan, the bottom of elongated slot other end termination has powder falling mouth, at powder falling mouth place, be provided with and there is the baffle plate that is ramped shaped, on the inner side edge of described elongated slot, be provided with slide rail, the side of cleaning brush is provided with the chute corresponding with slide rail.
One end of described dust-collecting box is provided with the installing plate that dust-collecting box is fixed on to plate body bottom.
Described fan is connected by power line with external power source.
Upwards and to the center line of elongated slot extend at the top of two sides of described elongated slot, forms the flanging that prevents that dust from disorderly flying.
The beneficial effects of the utility model are, cleaning tool of the present utility model simple in structure, easy to operate, more, can be good at the dust in elongated slot to clean out, and practicality, flexibility are higher, do not need to make to wash with water, have saved resource.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of Fig. 1.
In figure: 1. plate body, 2. cleaning plant, 21. elongated slots, 22. cleaning brush, 23. dust-collecting boxes, 24. fans, 25. baffle plates, 26. slide rails.
The specific embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only show the formation relevant with the utility model.
A kind of blackboard for imparting knowledge to students, comprise plate body 1 and the cleaning plant 2 that is arranged on plate body 1 bottom, described cleaning plant 2 has the elongated slot 21 with plate body 1 equal length, the cleaning brush 22 sliding along elongated slot 21 and the dust-collecting box 23 that is positioned at elongated slot 21 bottoms, one end of dust-collecting box 23 is provided with the installing plate that dust-collecting box 23 is fixed on to plate body 1 bottom, end in one end of elongated slot 21 is provided with low power fan 24, the bottom of elongated slot 21 other end terminations has powder falling mouth, at powder falling mouth place, be provided with and there is the baffle plate 25 that is ramped shaped, on the inner side edge of elongated slot 21, be provided with slide rail 26, the side of cleaning brush 22 is provided with the chute corresponding with slide rail 26.
Fan 24 is connected by power line with external power source, and upwards and to the center line of elongated slot 21 extend at the top of two sides of elongated slot 21, forms the flanging that prevents that dust from disorderly flying.
While clearing up the dust in elongated slot 21, connect the power supply of fan 24, fan 24 starts to rotate, and dust is blown to the direction of dust-collecting box 23, at this moment cleaning brush 22 is moved to the direction of dust-collecting box 23 along slide rail 26, by by way of dust concentrate, when arriving powder falling mouth, cleaning brush 22 will concentrate the dust of cleaning to sweep in dust-collecting box 23 by powder falling mouth and baffle plate, can be according to the dust situation in actual elongated slot 21, many cleanings several times, after cleaning is clean, are closed the power supply of fan 24.
The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this utility model technological thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on description, must determine its technical scope according to claim scope.
Claims (4)
1. the blackboard for imparting knowledge to students, it is characterized in that: comprise plate body (1) and be arranged on the cleaning plant (2) of plate body (1) bottom, described cleaning plant (2) has the elongated slot (21) with plate body (1) equal length, the cleaning brush (22) sliding along elongated slot (21) and be positioned at the dust-collecting box (23) bottom elongated slot (21), end in one end of elongated slot (21) is provided with fan (24), the bottom of elongated slot (21) other end termination has powder falling mouth, at powder falling mouth place, be provided with and there is the baffle plate (25) that is ramped shaped, on the inner side edge of described elongated slot (21), be provided with slide rail (26), the side of cleaning brush (22) is provided with the chute corresponding with slide rail (26).
2. the blackboard for imparting knowledge to students according to claim 1, is characterized in that: one end of described dust-collecting box (23) is provided with the installing plate that dust-collecting box (23) is fixed on to plate body (1) bottom.
3. the blackboard for imparting knowledge to students according to claim 1, is characterized in that: described fan (24) is connected by power line with external power source.
4. the blackboard for imparting knowledge to students according to claim 1, is characterized in that: upwards and to the center line of elongated slot (21) extend at the top of two sides of described elongated slot (21), forms the flanging that prevents that dust from disorderly flying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175220.3U CN203780161U (en) | 2014-04-13 | 2014-04-13 | Teaching blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175220.3U CN203780161U (en) | 2014-04-13 | 2014-04-13 | Teaching blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203780161U true CN203780161U (en) | 2014-08-20 |
Family
ID=51316379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420175220.3U Expired - Fee Related CN203780161U (en) | 2014-04-13 | 2014-04-13 | Teaching blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203780161U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111469585A (en) * | 2020-05-13 | 2020-07-31 | 陈军 | Teaching equipment |
| CN112248686A (en) * | 2020-10-22 | 2021-01-22 | 邱玲玲 | Blackboard curtain type easy-to-clean blackboard |
-
2014
- 2014-04-13 CN CN201420175220.3U patent/CN203780161U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111469585A (en) * | 2020-05-13 | 2020-07-31 | 陈军 | Teaching equipment |
| CN112248686A (en) * | 2020-10-22 | 2021-01-22 | 邱玲玲 | Blackboard curtain type easy-to-clean 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: 20140820 Termination date: 20150413 |
|
| EXPY | Termination of patent right or utility model |