CN204414910U - A kind of without dust blackboard - Google Patents
A kind of without dust blackboard Download PDFInfo
- Publication number
- CN204414910U CN204414910U CN201420865309.2U CN201420865309U CN204414910U CN 204414910 U CN204414910 U CN 204414910U CN 201420865309 U CN201420865309 U CN 201420865309U CN 204414910 U CN204414910 U CN 204414910U
- Authority
- CN
- China
- Prior art keywords
- dust
- blackboard
- squeezer
- bucket
- groove
- 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
Links
Landscapes
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
A kind of without dust blackboard.It comprises: blackboard, dust groove, squeezer and bucket; Wherein: the lower end of blackboard is provided with two dust grooves; Dust groove is water receiving tank shape, and two dust grooves are inclined at the lower end of blackboard in falling the Eight characters, and its exit, lower end is provided with bucket, and bucket is airtight collecting container; Above two dust groove tops, be respectively equipped with a squeezer, squeezer is a tank, can be discharged water by extruding squeezer to the top of dust groove, to wash away two dust grooves, sweeps away the water come and is collected among bucket.What the utility model provided has reasonable in design, multiple functional and can ensure the advantages such as teachers and students are healthy without dust blackboard.
Description
Technical field
The utility model relates to a kind of teaching aid, particularly relates to a kind of without dust blackboard.
Background technology
In the classroom of school, the below of blackboard is all provided with dust groove, and it is for connecing the dust that blackboard has fallen; Therefore dust groove back warp often assembles full dust, and wind one blows and will fly upward everywhere, affects very much teachers and students healthy.
Summary of the invention
In order to solve the problem, the purpose of this utility model is to provide a kind of without dust blackboard.
In order to achieve the above object, what the utility model provided comprises without dust blackboard: blackboard, dust groove, squeezer and bucket; Wherein: the lower end of blackboard is provided with two dust grooves; Dust groove is water receiving tank shape, and two dust grooves are inclined at the lower end of blackboard in falling the Eight characters, and its exit, lower end is provided with bucket, and bucket is airtight collecting container; Above two dust groove tops, be respectively equipped with a squeezer, squeezer is a tank, can be discharged water by extruding squeezer to the top of dust groove, to wash away two dust grooves, sweeps away the water come and is collected among bucket.
The top of described squeezer is provided with pressure handle, to the inside water suction of squeezer and externally can be discharged water by pressure handle.
The inferior horn of described blackboard is provided with board wiper box, for placing blackboard eraser.
What the utility model provided has reasonable in design, multiple functional and can ensure the advantages such as teachers and students are healthy without dust blackboard.
Accompanying drawing explanation
What Fig. 1 provided for the utility model forms schematic diagram without dust blackboard.
Detailed description of the invention
What provide the utility model below in conjunction with the drawings and specific embodiments is described in detail without dust blackboard.
As shown in Figure 1, what the utility model provided comprises without dust blackboard: blackboard 1, dust groove 2, squeezer 3 and bucket 4; Wherein: the lower end of blackboard 1 is provided with two dust grooves 2; Dust groove 2 is water receiving tank shape, and two dust grooves 2 are inclined at the lower end of blackboard 1 in falling the Eight characters, and its exit, lower end is provided with bucket 4, and bucket 4 is airtight collecting container; Above two dust groove 2 tops, be respectively equipped with a squeezer 3, squeezer 3 is a tank, can be discharged water by extruding squeezer 3 to the top of dust groove 2, to wash away two dust grooves 2, sweeps away the water come and is collected among bucket 4.
The top of described squeezer 3 is provided with pressure handle, to the inside water suction of squeezer 3 and externally can be discharged water by pressure handle.
The inferior horn of described blackboard 1 is provided with board wiper box 5, for placing blackboard eraser.
The utility model provide without dust blackboard in use, first can be filled water in two squeezers 3, then dust groove 2 need cleaning in, extruding squeezer 3, make current wherein out, rinse dust groove 2, rinse dust groove so not only rapid but also very convenient.
Claims (3)
1. without a dust blackboard, it is characterized in that: described comprises without dust blackboard: blackboard (1), dust groove (2), squeezer (3) and bucket (4); Wherein: the lower end of blackboard (1) is provided with two dust grooves (2); Dust groove (2) is water receiving tank shape, article two, dust groove (2) is inclined at the lower end of blackboard (1) in falling the Eight characters, its exit, lower end is provided with bucket (4), and bucket (4) is airtight collecting container; Be respectively equipped with a squeezer (3) in the top at two dust groove (2) tops, squeezer (3) is a tank.
2. according to claim 1 without dust blackboard, it is characterized in that: the top of described squeezer (3) is provided with pressure handle.
3. according to claim 1 without dust blackboard, it is characterized in that: the inferior horn of described blackboard (1) is provided with board wiper box (5), for placing blackboard eraser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865309.2U CN204414910U (en) | 2014-12-20 | 2014-12-20 | A kind of without dust blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865309.2U CN204414910U (en) | 2014-12-20 | 2014-12-20 | A kind of without dust blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204414910U true CN204414910U (en) | 2015-06-24 |
Family
ID=53465310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420865309.2U Expired - Fee Related CN204414910U (en) | 2014-12-20 | 2014-12-20 | A kind of without dust blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204414910U (en) |
-
2014
- 2014-12-20 CN CN201420865309.2U patent/CN204414910U/en not_active Expired - Fee Related
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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: 20151220 |
|
| EXPY | Termination of patent right or utility model |