CN2323984Y - Blackboard cleaning machine with means for absorbing the chalk dust - Google Patents
Blackboard cleaning machine with means for absorbing the chalk dust Download PDFInfo
- Publication number
- CN2323984Y CN2323984Y CN 98226530 CN98226530U CN2323984Y CN 2323984 Y CN2323984 Y CN 2323984Y CN 98226530 CN98226530 CN 98226530 CN 98226530 U CN98226530 U CN 98226530U CN 2323984 Y CN2323984 Y CN 2323984Y
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- gear
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- rack rail
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Abstract
The utility model discloses a dust removing blackboard erasing machine. The utility model is mainly composed of an actuating device, a driving gear, a driving marching gear wheel, a gear rack rail, a driving chain wheel, a chain, a driven chain wheel and a rolling eraser, wherein, the driving marching gear wheel assembled on a middle shaft is driven by the actuating device through the driving gear wheel, one side of the rolling eraser is extended from the opening point of a casing, and the driven chain wheel and the rolling eraser are driven by the driving chain wheel through the chain. Environment polluted by chalk dust can be avoided by using the utility model. The utility model is favorable for ensuring the physical and mental health of teachers and students. The utility model has the advantages of time saving, labor saving and convenience. The utility model is suitable for elementary and secondary schools.
Description
The utility model relates to a kind of blackboard cleaning device, belongs to the teaching aid technical field.
For a long time, chalk is the main writing implement of classroom instruction always.Though at present the minority school of China developed regions has adopted dustless teaching writing instrument, even has realized audio-visual education programmeization, most schools, the middle and primary schools in especially vast rural area still from not the chalk teaching.As cleaning blackboard so that in use there is following problem all the time in the instrument-chalkboard eraser of book again: A. dust polluting environment, the dust that flies upward everywhere during use bring great harm for the healthy of numerous teachers and students, even cause occupational disease; B. manually-operated, labour intensity is big; C. the speed that manually erases the board is slow, has wasted instructional blocks of time virtually.
The purpose of this utility model is: the problem that exists in using at above-mentioned existing blackboard eraser proposes a kind of dedusting blackboard erasing machine of no dust pollution can clean off a blackboard and work automatically rapidly or semi-automatic the time.
In order to achieve the above object, dedusting blackboard erasing machine of the present utility model is mainly by shell, drive unit, driving shaft, driven shaft, jackshaft, driving gear, initiatively advance gear, rack rail, drive sprocket, chain, driven sprocket, abrasive tumbling formed.Wherein shell is half open design, the opening edge is equipped with seal, rack rail is fixed on the blackboard wall, driving shaft, driven shaft, jackshaft all are vertically mounted in the shell, drive unit is coaxial by driving shaft and driving gear, drive sprocket, driving gear drives the gear of initiatively advancing that is assemblied on the jackshaft, this gear of initiatively advancing meshes with rack rail again, driven sprocket and abrasive tumbling are coaxial to be assemblied on the driven shaft, one side of abrasive tumbling is stretched out from the opening part of shell, and drive sprocket drives driven sprocket and abrasive tumbling by chain.
After this dedusting blackboard erasing machine installed, the bus and the blackboard surface card of abrasive tumbling closed.When drive unit rotated, on the one hand, driving gear drove the gear of initiatively advancing and rotates, and the result is at this gear and being fixed under the rack rail engagement of blackboard wall of initiatively advancing, and whole dedusting blackboard erasing machine will move along blackboard; On the other hand, drive sprocket drives driven sprocket by chain, and abrasive tumbling is rotated when moving with the dedusting blackboard erasing machine, and after a movement travel finished as a result, the chalk trace on whole blackboard surface all will be cleaned rapidly automatically.Simultaneously, grey chamber is held in the sealing that the chalk dust that wiping falls will fall in the shell from the opening of dedusting blackboard erasing machine shell, therefore can not cause dust from flying.In a word, dedusting blackboard erasing machine of the present utility model can be avoided dust polluting environment, helps guaranteeing teachers and students' physical and mental health, both saves time during use, laborsaving again convenience.
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is Figure 1A-A sectional view.
Fig. 3 is Figure 1B-B sectional view.
1 is driven shaft in the accompanying drawing, the 2nd, and jackshaft, the 3rd, upper case, the 4th, motor, the 5th, driving gear, the 6th, driving shaft, the 7th, drive sprocket, the 8th, chain, the 9th, abrasive tumbling, the 10th, dust mouth, the 11st, the gear of advancing down, the 12nd, following rack rail, the 13rd, the dust-break sleeve, the 14th, hairbrush, the 15th, driven sprocket, the 16th, on the gear of advancing, the 17th, upper rack rail, the 18th, the gear of initiatively advancing, the 19th, lower case, the 20th, housing mount, the 21st, sheet rubber, the 22nd, dust block board, the 23rd, bearing support.
Dedusting blackboard erasing machine among Fig. 1 is mainly by upper and lower part shell 3 and 19, drive motors 4, driving shaft 6, driven shaft 1, jackshaft 2, driving gear 5, initiatively advance gear 18, the upper and lower gear 16 and 11 of advancing, upper and lower rack rail 17 and 12, drive sprocket 7, chain 8, driven sprocket 15, abrasive tumbling 9 formed.Wherein lower case 19 is half open design, bottom angled, and seal 21 (referring to Fig. 3) is equipped with on the opening both sides, and opening part is equipped with dust block board 22, and dust-break sleeve 13 is equipped with at interspersed driven shaft place.The assembly relation of this dedusting blackboard erasing machine is: on, following rack rail 17 and 12 is separately fixed at blackboard wall both sides up and down, driving shaft 6, driven shaft 1, jackshaft 2 all is vertically mounted on, in the lower case 3 and 19, motor 4 is by driving shaft 6 and driving gear 5, drive sprocket 7 is coaxial, driving gear 6 and gear 18 engagements of initiatively advancing that are assemblied on the jackshaft 2, this gear 18 of initiatively advancing meshes with upper rack rail 17 again, on, under advance gear 16 and 11, driven sprocket 15 and abrasive tumbling 9 coaxial being assemblied on the driven shaft 1, wherein driven sprocket 15 and abrasive tumbling 9 skies are enclosed within on the driven shaft 1, one side of abrasive tumbling 9 is stretched out from the opening part of lower case 19, between lower case 19 and the abrasive tumbling 9 hairbrush 14 is housed, drive sprocket 7 drives driven sprocket 15 and abrasive tumbling 9 by chain 8, on, under advance gear 16 and 11 respectively with last, following rack rail 17 and 12 engagements, travel switch is equipped with at the rack rail two ends.Bearing support 23 is contained in driven shaft 1 bottom, and an end hook is stuck in down on the rack rail 12.
When using this dedusting blackboard erasing machine, after drive motors 4 energisings, (referring to Fig. 2) on the one hand, driving gear 5 drives the gear 18 of initiatively advancing and rotates, the result this initiatively advance gear 18 be fixed under upper rack rail 17 engagement of blackboard wall, whole dedusting blackboard erasing machine will move along blackboard, because except the gear 18 of initiatively advancing meshes with upper rack rail 17, the upper and lower gear 16 and 11 of advancing also meshes with upper and lower rack rail 17 and 12 respectively, make driven shaft 1 parallel moving, so this dedusting blackboard erasing machine operates steadily; (referring to Fig. 3) on the other hand, drive sprocket 7 drives driven chain 15 by chain 8 and takes turns, abrasive tumbling 9 is rotated when moving with the dedusting blackboard erasing machine, and the force direction that abrasive tumbling 9 rotations erase the board when being is opposite with the complete machine direction of motion, after a movement travel finished as a result, the chalk trace on whole blackboard surface all will be cleaned rapidly automatically.In the process of erasing the board, the hairbrush 14 of abrasive tumbling both sides can in time sweep the chalk dust under the wiping, keeps abrasive tumbling clean, therefore cleans effect and further improves.Simultaneously, the chalk dust that wipes will fall into the sealing of wedged bottom from the opening of dedusting blackboard erasing machine lower case 19 and hold grey chamber, and the existing dust board 22 in opening both sides, the sealing of sheet rubber 21 dust-breaks be arranged, so dust collecting effect is good, can not cause dust from flying.The chalk dust that is collected in lower case 19 bottoms can be removed from the dedusting mouth on time.One end hook of bearing support 23 is stuck in down on the rack rail 12, can play and prevent climbing tooth, stablize the effect of dedusting blackboard erasing machine motion.In a word, the dedusting blackboard erasing machine of present embodiment has outstanding advantages such as dependable performance, laborsaving convenience, very is suitable for vast middle and primary schools and adopts.
Claims (5)
1. dedusting blackboard erasing machine, it is characterized in that: mainly by shell (3 and 19), drive unit (4), driving shaft (6), driven shaft (1), jackshaft (2), driving gear (5), the gear (18) of initiatively advancing, rack rail (17), drive sprocket (7), chain (8), driven sprocket (15), abrasive tumbling (9) is formed, described shell (19) is half open design, the opening edge is equipped with seal (21), rack rail (17) is fixed on the blackboard wall, described driving shaft (6), driven shaft (1), jackshaft (2) all is vertically mounted in the shell (3 and 19), drive unit (4) is by driving shaft (6) and driving gear (5), drive sprocket (7) is coaxial, driving gear (6) drives the gear of initiatively advancing (18) that is assemblied on the jackshaft (2), this gear (18) of initiatively advancing meshes with rack rail (17) again, driven sprocket (15) and abrasive tumbling (9) are coaxial to be assemblied on the driven shaft (1), one side of abrasive tumbling (9) is stretched out from the opening part of shell (19), and drive sprocket (7) drives driven sprocket (15) and abrasive tumbling (9) by chain (8).
2. dedusting blackboard erasing machine according to claim 1 is characterized in that: also contain the upper and lower gear of advancing (16 and 11), the described upper and lower gear of advancing (16 and 11) meshes with upper and lower rack rail (17 and 12) respectively.
3. dedusting blackboard erasing machine according to claim 1 is characterized in that: between described shell (19) and the abrasive tumbling (9) hairbrush (14) is housed.
4. dedusting blackboard erasing machine according to claim 2 is characterized in that: described shell (19) bottom angled, and opening part is equipped with dust block board (22), and dust-break sleeve (13) is equipped with at interspersed driven shaft place.
5. dedusting blackboard erasing machine according to claim 2 is characterized in that: also contain bearing support (23), described bearing support (23) is contained in driven shaft (1) bottom, and an end hook is stuck in down on the rack rail (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98226530 CN2323984Y (en) | 1998-04-20 | 1998-04-20 | Blackboard cleaning machine with means for absorbing the chalk dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98226530 CN2323984Y (en) | 1998-04-20 | 1998-04-20 | Blackboard cleaning machine with means for absorbing the chalk dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2323984Y true CN2323984Y (en) | 1999-06-16 |
Family
ID=33977025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98226530 Expired - Fee Related CN2323984Y (en) | 1998-04-20 | 1998-04-20 | Blackboard cleaning machine with means for absorbing the chalk dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2323984Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174745A (en) * | 2018-09-26 | 2019-01-11 | 国网黑龙江省电力有限公司电力科学研究院 | A kind of electric car wireless charging panel surface automatic flushing device |
-
1998
- 1998-04-20 CN CN 98226530 patent/CN2323984Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174745A (en) * | 2018-09-26 | 2019-01-11 | 国网黑龙江省电力有限公司电力科学研究院 | A kind of electric car wireless charging panel surface automatic flushing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |