CN205112745U - Novel dust free blackboard - Google Patents
Novel dust free blackboard Download PDFInfo
- Publication number
- CN205112745U CN205112745U CN201520835027.2U CN201520835027U CN205112745U CN 205112745 U CN205112745 U CN 205112745U CN 201520835027 U CN201520835027 U CN 201520835027U CN 205112745 U CN205112745 U CN 205112745U
- Authority
- CN
- China
- Prior art keywords
- dust collecting
- exhalant canal
- collecting trough
- storage box
- water storage
- 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 novel dust free blackboard, including blackboard body, water storage box, dust collecting tank, its characterized in that: be provided with the water storage box at blackboard body's left surface, be provided with the storing board at blackboard body's right flank, be provided with dust collecting tank in blackboard body's below, upper end at the storing board is provided with the recess, be provided with inhalant canal D in dust collecting tank's left side, be provided with exhalant canal E on dust collecting tank's right side, exhalant canal B and for the inhalant canal D flexible rubber hose communicate each other, intermediate position at exhalant canal E is provided with valve F. The utility model has the advantages that: the chalk dust drops in the dust collecting tank to mix with the water in the dust collecting tank, wet soft chalk dust can in a confused state of mind not fly to influence the healthy of mr and student everywhere.
Description
Technical field
The utility model relates to realia technical field, specifically a kind of dust-free blackboard.
Background technology
Increasing teacher is because attending class with sucking a large amount of chalk dusts during chalk writing now, and compromises healthy, and the step especially below blackboard can assemble a large amount of chalk dusts.
Utility model content
The purpose of this utility model is a kind of teacher of design when erasing the board, a kind of Novel dustless blackboard that chalk dust can not waft everywhere in the below of blackboard.
A kind of Novel dustless blackboard of the utility model, comprise blackboard body, water storage box, dust collecting trough, it is characterized in that: the left surface of blackboard body is provided with water storage box, the right flank of blackboard body is provided with storing plate, the below of blackboard body is provided with dust collecting trough; Be provided with the intake tunnel A of bell mouth shape in the upper end of water storage box, the lower end of water storage box is provided with exhalant canal B, exhalant canal B is provided with valve C; The upper end of storing plate is provided with groove; Connection is fixed in the side of dust collecting trough upper end and the lower end of blackboard body, the upper end opposite side of dust collecting trough is provided with rectangular open type opening, open type opening is provided with metal grid, the left side of dust collecting trough is provided with intake tunnel D, the right side of dust collecting trough is provided with exhalant canal E; Described exhalant canal B and intake tunnel D rubber hose are interconnected; The centre position of exhalant canal E is provided with valve F.
Further, described water storage box, storing plate, dust collecting trough, open type opening, metal grid, groove be cuboid.
Further, described exhalant canal B, intake tunnel D, exhalant canal E are a kind of cylinder.
The utility model has the advantages that: chalk dust drops in dust collecting trough, and mix with the water in dust collecting trough, wet soft chalk dust can not fly around and affect the healthy of academics and students.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is left surface structural representation of the present utility model;
Fig. 3 is right flank structural representation of the present utility model.
Detailed description of the invention
According to Fig. 1-Fig. 3, a kind of Novel dustless blackboard of the utility model, comprise blackboard body (1), water storage box (2), dust collecting trough (3), it is characterized in that: the left surface of blackboard body (1) is provided with water storage box (2), the right flank of blackboard body (1) is provided with storing plate (4), the below of blackboard body (1) is provided with dust collecting trough (3); The intake tunnel A (5) of bell mouth shape is provided with in the upper end of water storage box (2), the lower end of water storage box (2) is provided with exhalant canal B (6), exhalant canal B (6) is provided with valve C (7); The upper end of storing plate (4) is provided with groove (8); Connection is fixed in the side of dust collecting trough (3) upper end and the lower end of blackboard body (1), the upper end opposite side of dust collecting trough (3) is provided with rectangular open type opening (9), open type opening (9) is provided with metal grid (10), the left side of dust collecting trough (3) is provided with intake tunnel D (11), the right side of dust collecting trough (3) is provided with exhalant canal E (12); Described exhalant canal B (6) and intake tunnel D (11) rubber hose (13) are interconnected; The centre position of exhalant canal E (12) is provided with valve F (14).
Further, described water storage box (2), dust collecting trough (3), storing plate (4), groove (8), open type opening (9), metal grid (10) are cuboid.
Further, described exhalant canal B (6), intake tunnel D (11), exhalant canal E (12), rubber hose (13) are a kind of cylinder.
Embodiment: the instrument such as blackboard eraser and chalk can be placed in groove (8) the inside, by intake tunnel A (5) to water storage box (2) the inside injected clear water, water is sent into dust collecting trough (3) the inside by valve C (7), water is not exceeded 1/2nd of dust collecting trough (3), because in order to avoid water is flowed out the outside of dust collecting trough (3), can fall inside the water of dust collecting trough (3) from blackboard body (1) chalk dust got off that descends slowly and lightly, water in chalk dust and dust collecting trough (3) mixes, wet soft chalk dust can not fly around and affect the healthy of academics and students, metal grid (10) is to prevent blackboard eraser or chalk from dropping to inside the water of dust collecting trough (3), if because of carelessness blackboard eraser or chalk are dropped to above dust collecting trough (3), can allow metal grid (10) that blackboard eraser or chalk are blocked.
Claims (1)
1. a Novel dustless blackboard, comprise blackboard body (1), water storage box (2), dust collecting trough (3), it is characterized in that: the left surface of blackboard body (1) is provided with water storage box (2), the right flank of blackboard body (1) is provided with storing plate (4), the below of blackboard body (1) is provided with dust collecting trough (3); The intake tunnel A (5) of bell mouth shape is provided with in the upper end of water storage box (2), the lower end of water storage box (2) is provided with exhalant canal B (6), exhalant canal B (6) is provided with valve C (7); The upper end of storing plate (4) is provided with groove (8); Connection is fixed in the side of dust collecting trough (3) upper end and the lower end of blackboard body (1), the upper end opposite side of dust collecting trough (3) is provided with rectangular open type opening (9), open type opening (9) is provided with metal grid (10), the left side of dust collecting trough (3) is provided with intake tunnel D (11), the right side of dust collecting trough (3) is provided with exhalant canal E (12); Described exhalant canal B (6) and intake tunnel D (11) rubber hose (13) are interconnected; The centre position of exhalant canal E (12) is provided with valve F (14);
Described water storage box (2), dust collecting trough (3), storing plate (4), groove (8), open type opening (9), metal grid (10) are cuboid;
Described exhalant canal B (6), intake tunnel D (11), exhalant canal E (12), rubber hose (13) are a kind of cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520835027.2U CN205112745U (en) | 2015-10-27 | 2015-10-27 | Novel dust free blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520835027.2U CN205112745U (en) | 2015-10-27 | 2015-10-27 | Novel dust free blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205112745U true CN205112745U (en) | 2016-03-30 |
Family
ID=55568385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520835027.2U Expired - Fee Related CN205112745U (en) | 2015-10-27 | 2015-10-27 | Novel dust free blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205112745U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218272A (en) * | 2016-08-29 | 2016-12-14 | 彭展忠 | Teaching dust arrester installation |
| CN106313947A (en) * | 2016-08-29 | 2017-01-11 | 彭展忠 | Environment-friendly dust-free teaching aid with humidifying device |
-
2015
- 2015-10-27 CN CN201520835027.2U patent/CN205112745U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218272A (en) * | 2016-08-29 | 2016-12-14 | 彭展忠 | Teaching dust arrester installation |
| CN106313947A (en) * | 2016-08-29 | 2017-01-11 | 彭展忠 | Environment-friendly dust-free teaching aid with humidifying device |
| CN106313947B (en) * | 2016-08-29 | 2017-11-14 | 彭展忠 | Environment-friendly dustless teaching aid with humidification device |
| CN106218272B (en) * | 2016-08-29 | 2017-12-22 | 彭展忠 | Teaching dust arrester installation |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20161027 |