CN205272951U - Conveniently clear up blackboard of ledge for chalk on blackboard - Google Patents
Conveniently clear up blackboard of ledge for chalk on blackboard Download PDFInfo
- Publication number
- CN205272951U CN205272951U CN201520928357.6U CN201520928357U CN205272951U CN 205272951 U CN205272951 U CN 205272951U CN 201520928357 U CN201520928357 U CN 201520928357U CN 205272951 U CN205272951 U CN 205272951U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- chalk
- ledge
- screen cloth
- travelling belt
- 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 teaching articles for use field discloses a conveniently clear up blackboard of ledge for chalk on blackboard very much. It includes the blackboard, the blackboard lower extreme is equipped with the ledge for chalk on blackboard, characterized by, be equipped with screen cloth and the conveyer belt made by the software material in the ledge for chalk on blackboard, the conveyer belt is located the screen cloth below, the conveyer belt winding is on driving shaft and driven shaft, connect the crank on the driving shaft, the bottom fretwork of the ledge for chalk on blackboard of driving shaft below, the below at this fretwork position is equipped with the material receiving box that can dismantle. Be equipped with a plurality of horizontal boards of erectting on the conveyer belt, the upper end of erectting the board is higher than the least significant end of screen cloth. The utility model discloses conveniently clear up the powder in the ledge for chalk on blackboard.
Description
(1) technical field
The utility model relates to realia field, in particular to the blackboard of a kind of easy cleaning ledge for chalk on blackboard.
(2) background technology
Writing on the blackboard is the important content that teacher imparts knowledge to students, and therefore blackboard is also the instrument that teaching is indispensable. With ledge for chalk on blackboard below some blackboards, for accepting chalk powder and splendid attire chalk box chalk head, concerning teacher easily, but inconvenient during cleaning.
(3) summary of the invention
The utility model is in order to make up the defect of prior art, it provides a kind of blackboard being convenient to clear up ledge for chalk on blackboard.
The utility model is achieved by the following technical solution:
The blackboard of a kind of easy cleaning ledge for chalk on blackboard, comprise blackboard, the lower end of described blackboard is provided with ledge for chalk on blackboard, it is characterized in that, being provided with the screen cloth being made up of soft material and travelling belt in described ledge for chalk on blackboard, described travelling belt is positioned at below screen cloth, described travelling belt is wrapped on main drive shaft and driven shaft, connecting hand handle on described main drive shaft, the bottom hollow out of the ledge for chalk on blackboard below described main drive shaft, the lower section at this hollow out position is provided with the pulp-collecting box that can dismantle.
Described travelling belt is provided with some horizontal erect plates, and the upper end of described erect plate is higher than the most low side of screen cloth.
The beneficial effects of the utility model are:
The utility model is owing to being provided with screen cloth, therefore chalk and chalk head are stayed on sieve, are convenient to teacher and take, and chalk powder then drains to travelling belt from screen cloth, when ledge for chalk on blackboard cleared up by needs, shaking hand handle, the chalk powder on travelling belt falls in pulp-collecting box when arriving main drive shaft place from the hollow out position of ledge for chalk on blackboard, and the low side of screen cloth is upwards pushed up by the upper end of erect plate simultaneously, along with the movement of erect plate, on screen cloth, the chalk powder of residual is shaken, and pulp-collecting box can also be unloaded down simultaneously, easy cleaning.
(4) accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described:
Fig. 1 is that master of the present utility model looks, partial cutaway TV structure schematic diagram.
In figure, 1 blackboard, 2 ledges for chalk on blackboard, 3 screen clothes, 4 travelling belts, 5 main drive shafts, 6 driven shafts, 7 hand handles, 8 pulp-collecting box, 9 chutes, 10 flanges, 11 erect plates.
(5) embodiment
Accompanying drawing is specific embodiment of the utility model. as shown in Figure 1, this kind of blackboard, comprise blackboard 1, blackboard 1 time end is provided with ledge for chalk on blackboard 2, the screen cloth 3 being made up of soft material it is provided with in ledge for chalk on blackboard 2, soft material can be plastic ties, cotton rope, nylon rope etc., screen cloth 3 is sagging state in ledge for chalk on blackboard 2, travelling belt 4 it is provided with below screen cloth 3, travelling belt 4 is wrapped on main drive shaft 5 and driven shaft 6, main drive shaft 5 connects hand handle 7, the bottom hollow out of the ledge for chalk on blackboard 2 below main drive shaft 5, the lower section at this hollow out position is provided with the pulp-collecting box 8 that can dismantle, pulp-collecting box 8 can be such with the connection of ledge for chalk on blackboard 2: installs two parallel chutes 9 bottom ledge for chalk on blackboard 2, the upper end in relative two face of pulp-collecting box 8 extends outward flange 10, flange 10 is positioned at chute 9, need to have been released just by pulp-collecting box 8 during cleaning pulp-collecting box 8.
In order to thoroughly clear up on screen cloth 3 chalk powder of residual, being provided with some horizontal erect plates 11 on the transport belt 4, the upper end of erect plate 11 is higher than the most low side of screen cloth 3.
When ledge for chalk on blackboard 2 cleared up by needs, shake hand handle 7, chalk powder on travelling belt 4 falls in pulp-collecting box 8 when arriving main drive shaft 5 place from the hollow out position of ledge for chalk on blackboard 2, the low side of screen cloth 3 is upwards pushed up by the upper end of erect plate 11 simultaneously, along with the movement of erect plate 11, on screen cloth 3, the chalk powder of residual is shaken, and pulp-collecting box 8 can also be unloaded down simultaneously, easy cleaning.
Except technology feature described in specification sheets, all the other technology features are the technology of it is known to those with ordinary skill in the art that.
Claims (2)
1. the blackboard of an easy cleaning ledge for chalk on blackboard, comprise blackboard (1), described blackboard (1) lower end is provided with ledge for chalk on blackboard (2), it is characterized in that, the screen cloth (3) and travelling belt (4) be made up of soft material it is provided with in described ledge for chalk on blackboard (2), described travelling belt (4) is positioned at below screen cloth, described travelling belt (4) is wrapped on main drive shaft (5) and driven shaft (6), described main drive shaft (5) is upper connects hand handle (7), the bottom hollow out of the ledge for chalk on blackboard (2) of described main drive shaft (5) lower section, the lower section at this hollow out position is provided with the pulp-collecting box (8) that can dismantle.
2. the blackboard of easy cleaning ledge for chalk on blackboard according to claim 1, is characterized in that, described travelling belt (4) is provided with some horizontal erect plates (11), and the upper end of described erect plate (11) is higher than the most low side of screen cloth (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520928357.6U CN205272951U (en) | 2015-11-20 | 2015-11-20 | Conveniently clear up blackboard of ledge for chalk on blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520928357.6U CN205272951U (en) | 2015-11-20 | 2015-11-20 | Conveniently clear up blackboard of ledge for chalk on blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205272951U true CN205272951U (en) | 2016-06-01 |
Family
ID=56057561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520928357.6U Expired - Fee Related CN205272951U (en) | 2015-11-20 | 2015-11-20 | Conveniently clear up blackboard of ledge for chalk on blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205272951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108816491A (en) * | 2018-06-08 | 2018-11-16 | 程度 | A kind of refuse disposal installation |
-
2015
- 2015-11-20 CN CN201520928357.6U patent/CN205272951U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108816491A (en) * | 2018-06-08 | 2018-11-16 | 程度 | A kind of refuse disposal 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: 20160601 Termination date: 20161120 |