CN2936780Y - Built-in dust collecting rolling blackboard - Google Patents
Built-in dust collecting rolling blackboard Download PDFInfo
- Publication number
- CN2936780Y CN2936780Y CN 200620021610 CN200620021610U CN2936780Y CN 2936780 Y CN2936780 Y CN 2936780Y CN 200620021610 CN200620021610 CN 200620021610 CN 200620021610 U CN200620021610 U CN 200620021610U CN 2936780 Y CN2936780 Y CN 2936780Y
- Authority
- CN
- China
- Prior art keywords
- back cover
- dust
- adhesive tape
- baffle plate
- driving shaft
- 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 removed inside rolling blackboard for teaching, which is designed to solve the problem that due to the prior rolling blackboard without a dustproof device, the chalk powder is easy to harm the health of teachers and students for a long time use. The utility model is characterized in that a driving shaft and a driven shaft are respectively fixed on a frame (2), a closing adhesive tape (5) is suited on a driving shaft and a driven shaft, a handle (6) is fixed on the end of the driving shaft(3), the closing adhesive tape (5) is positioned between a former dustproof baffle (8) and a back cover (9), the former dustproof baffle (8) and the back cover(9) are connected, a writing window (12)is positioned on the former dustproof baffle (8), a dust removing brush (15) is fixed in the back cover(9), a dust stored groove is fixed on the bottom end in the back cover (9), and a supporting board fixed in the back cover (9) is contacted to the inner surface of the closing adhesive tape (5) which is corresponding to the writing window (12). Due to the utility model provided with the dustproof brush and the dust stored groove positioned inside, the letter is erased by the dustproof brush while the writing board is rolled, the fallen chalk powder drops into the dust storing groove to prevent the chalk powder from flying upwards, and the cleaning of the classroom is kept.
Description
Technical field
The utility model relates to a kind of blackboard of the usefulness of imparting knowledge to students.
Background technology
Granted publication number is for CN 2564360Y, Granted publication day are that utility model patent, the name on August 6th, 2003 is called " roller blackboard " because dust guard is not set, and uses its dust to bring harm to teacher and student healthy easily for a long time.
The utility model content
The purpose of this utility model provide a kind of in the dedusting Rolling blackboard, it can solve existing roller blackboard, because dust guard is not set, uses its dust easily to teacher and student's the healthy problem of bringing harm for a long time.
The utility model comprises axle sleeve, framework, driving shaft, driven shaft, closed adhesive tape and crank; The two ends of described driving shaft and driven shaft are passed through the axle sleeve secured in parallel respectively on framework, and closed adhesive tape is sleeved on driving shaft and the driven shaft, and an end of driving shaft is fixed with crank; The utility model also comprises write lath and preceding dustproof baffle plate, back cover, dust storage groove, dust removal brush and the gripper shoe of one group of secured in parallel at closed adhesive tape outer surface; Described closed adhesive tape is between preceding dustproof baffle plate and back cover, preceding dustproof baffle plate is connected with back cover, preceding dustproof baffle plate is provided with writes word window, described dust removal brush is installed in the back cover and with the lath that writes that rolls and contacts, described dust storage groove is installed on the interior bottom face of back cover, and described gripper shoe is installed in the back cover and the closed adhesive tape inner surface corresponding with writing word window contacts.
The utlity model has following beneficial effect: one, the utility model is owing to be equipped with dustproof baffle plate, and dustproof brush and dust storage groove are built-in, when the lath that writes rolls with closed adhesive tape, dustproof brush is wiped the writing on the lath that writes, the dust that is scattered falls into dust storage groove and collects, avoid dust from flying, kept the environmental sanitation in classroom, helped the healthy of student and teacher.Two, the utlity model has advantage simple in structure, easy to use, good dustproof effect.
Description of drawings
Fig. 1 is an overall structure front view of the present utility model, and Fig. 2 is the A-A cutaway view of Fig. 1.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1 and Fig. 2 present embodiment is described, present embodiment is made up of in write lath 7 and preceding dustproof baffle plate 8, back cover 9, dust storage groove 10, dust removal brush 11 and the gripper shoe 15 of closed adhesive tape 5 outer surfaces axle sleeve 1, framework 2, driving shaft 3, driven shaft 4, closed adhesive tape 5, crank 6, one group of secured in parallel; The two ends of described driving shaft 3 and driven shaft 4 are passed through axle sleeve 1 secured in parallel respectively on framework 2, and closed adhesive tape 5 is sleeved on driving shaft 3 and the driven shaft 4, and an end of driving shaft 3 is fixed with crank 6; Described closed adhesive tape 5 is between preceding dustproof baffle plate 8 and back cover 9, preceding dustproof baffle plate 8 is connected with back cover 9, preceding dustproof baffle plate 8 is provided with writes word window 12, described dust removal brush 11 is installed in the back cover 9 and with the lath 7 that writes that rolls and contacts, described dust storage groove 10 is installed on the bottom face in the back cover 9, described gripper shoe 15 is installed in the back cover 9 and the inner surface of the closed adhesive tape 5 corresponding with writing word window 12 contacts, and the quantity of dust removal brush 11 can be set as required.
The specific embodiment two: in conjunction with Fig. 2 present embodiment is described, the preceding dustproof baffle plate 8 of present embodiment is made up of baffle plate 13 and anti-dust lane 14; Described anti-dust lane 14 is installed on respectively between the inwall of the outward flange of writing word window 12 of baffle plate 13 inboard faces and back cover 9.So be provided with, can prevent dust from flying in the classroom, kept the environmental sanitation in the classroom.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 1 and Fig. 2 present embodiment is described, the length value of writing word window 12, dust removal brush 11 and dust storage groove 10 of present embodiment equates with the length value of the lath 7 that writes respectively.So be provided with, can utilize the zone of writing to greatest extent, writing can wipe out fully, and can reach best dust collecting effect.
Claims (3)
1, a kind of interior dedusting Rolling blackboard, it comprises axle sleeve (1), framework (2), driving shaft (3), driven shaft (4), closed adhesive tape (5) and crank (6); The two ends of described driving shaft (3) and driven shaft (4) are passed through axle sleeve (1) secured in parallel respectively on framework (2), and closed adhesive tape (5) is sleeved on driving shaft (3) and the driven shaft (4), and an end of driving shaft (3) is fixed with crank (6); It is characterized in that it also comprises write lath (7) and preceding dustproof baffle plate (8), back cover (9), dust storage groove (10), dust removal brush (11) and the gripper shoe (15) of one group of secured in parallel at closed adhesive tape (5) outer surface; Prevent dust between baffle plate (8) and the back cover (9) before described closed adhesive tape (5) is positioned at, preceding dustproof baffle plate (8) is connected with back cover (9), preceding dustproof baffle plate (8) is provided with writes word window (12), described dust removal brush (11) is installed in the back cover (9) and with the lath that writes (7) that rolls and contacts, described dust storage groove (10) is installed on the interior bottom face of back cover (9), and described gripper shoe (15) is installed in the back cover (9) and the inner surface of the closed adhesive tape (5) corresponding with writing word window (12) contacts.
2, dedusting Rolling blackboard in according to claim 1, it is characterized in that described before dustproof baffle plate (8) form by baffle plate (13) and anti-dust lane (14); Described anti-dust lane (14) is installed on respectively between the inwall of the outward flange of writing word window (12) of the inboard face of baffle plate (13) and back cover (9).
3, interior dedusting Rolling blackboard according to claim 1 is characterized in that the described length value of writing word window (12), dust removal brush (11), dust storage groove (10) and gripper shoe (15) equates with the length value of the lath that writes (7) respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620021610 CN2936780Y (en) | 2006-09-06 | 2006-09-06 | Built-in dust collecting rolling blackboard |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620021610 CN2936780Y (en) | 2006-09-06 | 2006-09-06 | Built-in dust collecting rolling blackboard |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2936780Y true CN2936780Y (en) | 2007-08-22 |
Family
ID=38360799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200620021610 Expired - Fee Related CN2936780Y (en) | 2006-09-06 | 2006-09-06 | Built-in dust collecting rolling blackboard |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2936780Y (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102275426A (en) * | 2011-08-05 | 2011-12-14 | 安吉县天荒坪镇中学 | Blackboard structure |
CN107160917A (en) * | 2017-05-25 | 2017-09-15 | 东台市梁垛镇春林家具厂 | A kind of semi-automatic erasing type spool blackboard |
CN107379831A (en) * | 2017-08-31 | 2017-11-24 | 威海职业学院 | A kind of mobile and combined blackboard |
-
2006
- 2006-09-06 CN CN 200620021610 patent/CN2936780Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102275426A (en) * | 2011-08-05 | 2011-12-14 | 安吉县天荒坪镇中学 | Blackboard structure |
CN107160917A (en) * | 2017-05-25 | 2017-09-15 | 东台市梁垛镇春林家具厂 | A kind of semi-automatic erasing type spool blackboard |
CN107379831A (en) * | 2017-08-31 | 2017-11-24 | 威海职业学院 | A kind of mobile and combined blackboard |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070822 |