CN203666180U - Dust containing groove for blackboard - Google Patents
Dust containing groove for blackboard Download PDFInfo
- Publication number
- CN203666180U CN203666180U CN201320790338.2U CN201320790338U CN203666180U CN 203666180 U CN203666180 U CN 203666180U CN 201320790338 U CN201320790338 U CN 201320790338U CN 203666180 U CN203666180 U CN 203666180U
- Authority
- CN
- China
- Prior art keywords
- groove
- ash
- pit
- blackboard
- dust
- 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 relates to a dust containing groove for a blackboard. The dust containing groove for the blackboard is simple in structure and beneficial for cleaning. The dust containing groove for the blackboard comprises a dust groove, the left side of the dust groove is connected with a cylindrical fixed base, a rotary shaft is arranged in the fixed base, one end face of the rotary shaft is flush with the circular surface of the fixed base, the other end face of the rotary shaft is provided with a clamp arm, a clamp is arranged on the clamp arm, and a locking bolt is arranged on the clamp. The dust groove is of a cuboid-shaped groove structure. A cavity is formed between the outer wall of the dust groove and the inner wall of the dust groove. A secondary groove is arranged on the right side of the dust groove. The secondary groove is arranged in the cavity. The secondary groove is of a cuboid-shaped groove structure. A connecting block is arranged on the right end face of the secondary groove. The sidewall of the connecting block is provided with a suction cup. Compared with the prior art, the dust containing groove for the blackboard has the advantages of being simple in structure, beneficial for cleaning and capable of being put away, not occupying too much space, preventing clothes of students from being scratched, and bringing convenience to school life.
Description
Technical field
The utility model belongs to a kind of device of the use of imparting knowledge to students, and relates in particular to one simple in structure, clears up chalk dust catching groove of blackboard easily.
Background technology
At present, the traditional blackboard below of China is all provided with ash groove, and this ash groove is to be all fixed on blackboard below; cannot be movable, and when cleaning chalk powder, the chalk powder in ash groove all need to be assembled all to blackboard on one side; then push dustbin; cleaning is trouble very, in addition, and because traditional ash groove is vertical with wall; when time after school classmates play activity; easily hanging breaking clothes, in a word, makes troubles to campus life.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art and the one that provides is simple in structure, clears up chalk dust catching groove of blackboard easily.
The utility model is achieved in that a kind of chalk dust catching groove of blackboard, comprise: ash-pit, it is characterized in that: described ash-pit left side is connected with a holder, holder is cylinder, in holder, be provided with a turning cylinder, an end face of turning cylinder is concordant with the disc of holder, on another end face, be provided with jig arm, in described jig arm, be provided with a clamp, on clamp, be provided with a clamping screw, described ash-pit is cuboid trough body structure, between the outer wall of ash-pit and inwall, be provided with cavity, and ash-pit right side is provided with a secondary groove, secondary groove is arranged in cavity, secondary groove is cuboid trough body structure, in secondary groove its right end face, be provided with contiguous block, on the sidewall of contiguous block, be provided with sucker.
The length of described secondary groove is less than the length of ash-pit.
On the pincers face of described clamp, be provided with skid resistant course, the material of skid resistant course is rubber.
Compared with prior art, the utility model is simple in structure for the utility model technology, and cleaning is convenient, and can pack up, and does not account for too much space, avoids the situation of classmate's hanging breaking clothes, the facility of bringing to campus life.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Embodiment 1: as shown in Figure 1, a kind of chalk dust catching groove of blackboard, comprise: ash-pit 1, ash-pit 1 left side is connected with a holder 3, holder 3 is cylinder, in holder 3, be provided with a turning cylinder 4, an end face of turning cylinder 4 is concordant with the disc of holder 3, on another end face, be provided with jig arm 5, in described jig arm 5, be provided with a clamp 6, on clamp 6, be provided with a clamping screw 7, described ash-pit 1 is cuboid trough body structure, between the outer wall of ash-pit 1 and inwall, be provided with cavity 11, and ash-pit 1 right side is provided with a secondary groove 2, secondary groove 2 is arranged in cavity 11, secondary groove 2 is cuboid trough body structure, in secondary groove 2 its right end face, be provided with contiguous block 9, on the sidewall of contiguous block 9, be provided with sucker 10, the length of secondary groove 2 is less than the length of ash-pit 1, on the pincers face of clamp 6, be provided with skid resistant course 8, the material of skid resistant course 8 is rubber, when use, first by clamp 6, this device is clipped on blackboard, then twist clamping screw 7, fix, skid resistant course 8 ensures that this device is fixing more firm, can not slide, adjust ash-pit 1, ash-pit 1 turns to horizontal level on turning cylinder 4, then secondary groove 2 is pulled out from the cavity 11 of ash-pit 1, and be adsorbed on by sucker 10 on the wall in classroom.
Embodiment 2: as shown in Figure 1, a kind of chalk dust catching groove of blackboard, comprise: ash-pit 1, ash-pit 1 left side is connected with a holder 3, holder 3 is cylinder, in holder 3, be provided with a turning cylinder 4, an end face of turning cylinder 4 is concordant with the disc of holder 3, on another end face, be provided with jig arm 5, in described jig arm 5, be provided with a clamp 6, on clamp 6, be provided with a clamping screw 7, described ash-pit 1 is cuboid trough body structure, between the outer wall of ash-pit 1 and inwall, be provided with cavity 11, and ash-pit 1 right side is provided with a secondary groove 2, secondary groove 2 is arranged in cavity 11, secondary groove 2 is cuboid trough body structure, in secondary groove 2 its right end face, be provided with contiguous block 9, on the sidewall of contiguous block 9, be provided with sucker 10, the length of secondary groove 2 is less than the length of ash-pit 1, on the pincers face of clamp 6, be provided with skid resistant course 8, the material of skid resistant course 8 is rubber, while use, sucker 10 is unpluged, secondary groove 2 is advanced in the cavity 11 of ash-pit 1, chalk powder in ash-pit 1 and secondary groove 2 all can be gathered in ash-pit 1, so only need the chalk powder in ash-pit 1 to clean out, then adjust ash-pit 1, ash-pit 1 turns to vertical position on turning cylinder 4.
Compared with prior art, the utility model is simple in structure for the utility model technology, and cleaning is convenient, and can pack up, and does not account for too much space, avoids the situation of classmate's hanging breaking clothes, the facility of bringing to campus life.
Claims (3)
1. a chalk dust catching groove of blackboard, comprise: ash-pit, it is characterized in that: described ash-pit left side is connected with a holder, holder is cylinder, in holder, be provided with a turning cylinder, an end face of turning cylinder is concordant with the disc of holder, on another end face, be provided with jig arm, in described jig arm, be provided with a clamp, on clamp, be provided with a clamping screw, described ash-pit is cuboid trough body structure, between the outer wall of ash-pit and inwall, be provided with cavity, and ash-pit right side is provided with a secondary groove, secondary groove is arranged in cavity, secondary groove is cuboid trough body structure, in secondary groove its right end face, be provided with contiguous block, on the sidewall of contiguous block, be provided with sucker.
2. chalk dust catching groove of blackboard according to claim 1, is characterized in that: the length of described secondary groove is less than the length of ash-pit.
3. chalk dust catching groove of blackboard according to claim 1, is characterized in that: on the pincers face of described clamp, be provided with skid resistant course, the material of skid resistant course is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320790338.2U CN203666180U (en) | 2013-12-05 | 2013-12-05 | Dust containing groove for blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320790338.2U CN203666180U (en) | 2013-12-05 | 2013-12-05 | Dust containing groove for blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203666180U true CN203666180U (en) | 2014-06-25 |
Family
ID=50962508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320790338.2U Expired - Fee Related CN203666180U (en) | 2013-12-05 | 2013-12-05 | Dust containing groove for blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203666180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113205733A (en) * | 2021-05-07 | 2021-08-03 | 临沂职业学院 | Teaching aid for displaying polynomial function and displaying method thereof |
-
2013
- 2013-12-05 CN CN201320790338.2U patent/CN203666180U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113205733A (en) * | 2021-05-07 | 2021-08-03 | 临沂职业学院 | Teaching aid for displaying polynomial function and displaying method thereof |
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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: 20140625 Termination date: 20151205 |
|
| EXPY | Termination of patent right or utility model |