CN205009845U - Automatic sassafras blackboard machine - Google Patents
Automatic sassafras blackboard machine Download PDFInfo
- Publication number
- CN205009845U CN205009845U CN201520714224.9U CN201520714224U CN205009845U CN 205009845 U CN205009845 U CN 205009845U CN 201520714224 U CN201520714224 U CN 201520714224U CN 205009845 U CN205009845 U CN 205009845U
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- CN
- China
- Prior art keywords
- sassafras
- plate
- leading screw
- automatic
- blackboard
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- 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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Abstract
The utility model discloses an automatic sassafras blackboard machine, including the lead screw, the both ends of lead screw all are provided with the tripod, be provided with motor reversal inductor in the tripod of lead screw one end, be provided with the motor stall inductor in the tripod of the lead screw other end, the lead screw passes through the shaft coupling and is connected with the motor, be provided with the removal nut on the lead screw, it is connected with board sassafras a's one end to remove the nut, board sassafras b and board sassafras c has connected gradually on the board sassafras a, one side of board sassafras b is passed through the guide post and is connected with board sassafras a, spring and handle be equipped with on the guide post, be provided with the lug on the handle, be provided with with lug matched with the notch on the board sassafras a. A portable blackboard replaces from top to bottom that automatic sassafras blackboard machine simple structure, convenient to use, low in manufacturing cost reduces teacher's amount of labour, guarantees the quality of instruction, be convenient for installation and change, one time is not clean as wiping, can move and wipe the board many times, is fit for adopting in a large number at present the chalk teaching.
Description
Technical field
The utility model belongs to teaching aid technical field, relates to a kind of sassafras blackboard machine automatically.
Background technology
At present, about the design of automatic blackboard eraser emerges in an endless stream.As application number 862092825, day for announcing 1988.03.09, denomination of invention is " Revolving roller electric blackboard-cleaning device ", and by rotary roller workpiece, dust seal part, power and running part, advancing to grade with control part forms; Application number 201420544664x, notification number: 204037180, the day for announcing: 2014.12.24, denomination of invention is " a kind of automatic blackboard eraser ", the motion of blackboard eraser is controlled by slider-crank mechanism, blackboard eraser moves laterally through pulling of electric wire rope, and blackboard eraser lifts and completed by electromagnetism suction drawing device; But these automatic blackboard cleaning mechanism complex structures, cost is higher, also fails to realize completely the clean removing of blackboard writing, and is only applicable to a single fixing blackboard.
Utility model content
The purpose of this utility model there are provided a kind of sassafras blackboard machine automatically, and solving existing automatic blackboard machine can only the problem of the fixing blackboard that sassafras one is single automatically.
The technical scheme that the utility model adopts is, a kind of sassafras blackboard machine automatically, comprise leading screw, the two ends of leading screw are provided with tripod, motor reversal inductor is provided with in the tripod of leading screw one end, motor stalling inductor is provided with in the tripod of the leading screw other end, leading screw is connected with motor by shaft coupling, leading screw is provided with travelling nut, travelling nut is connected with one end of plate sassafras a, plate sassafras a is connected with plate sassafras b and plate sassafras c in turn, the side of plate sassafras b is connected with plate sassafras a by lead, spring and handle lead be equipped with, handle is provided with projection, plate sassafras a is provided with the recess matched with projection.
Feature of the present utility model is also,
Tripod is provided with bearing, and leading screw is through bearing, and the bearing of leading screw one end is by nut axial location, and the bearing of the leading screw other end is by end cap axial location, and end cap and tripod are connected by screw.
The opposite side of plate sassafras b is connected with flat thin magnet by pin, and the end face of the opposite side of plate sassafras b is provided with groove, is provided with the fur felt of plate sassafras c in groove.
The other end of plate sassafras a is provided with roller shaft, and roller shaft is provided with roller, and roller is also positioned at guide rail, and guide rail is connected with guide rail installation frame, and guide rail installation frame is connected with wall.
Travelling nut is provided with socket, and one end of plate sassafras a is inserted in socket.
Lead arranges three, mounting spring and handle on middle lead.
Leading screw is provided with screening hawk.
Motor is connected with wall by installing rack.
The beneficial effects of the utility model are: a kind of sassafras blackboard machine is automatically provided with plate sassafras a, plate sassafras b and plate sassafras c, by driven by motor plate sassafras c sassafras blackboard, when the position of upper and lower two blackboards is changed, now plate sassafras c does not reach blackboard surface, by handle holddown spring, force plate sassafras b to move along its lead, and match nested by handle projection with the recess on plate sassafras a, make plate sassafras c contact blackboard surface, start wiping.The utility model structure is simple, easy to use, low cost of manufacture, reduces teachers work amount, ensures quality of instruction, is convenient to install and change, and one time is not as clean in wiped, and can run repeatedly wiping board, is applicable to a large amount of moving type blackboard alternatively up and down adopting chalk teaching at present.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of automatic sassafras blackboard machine of the utility model;
Fig. 2 is the partial enlarged drawing of in Fig. 1 I;
Fig. 3 is the partial enlarged drawing of in Fig. 1 II;
Fig. 4 is A-A sectional view in Fig. 1;
Fig. 5 is the partial enlarged drawing of in Fig. 4 III.
In figure, 1. lead, 2. tripod, 3. motor reversal inductor, 4. projection, 5. leading screw, 6. motor stalling inductor, 7. bearing, 8. shaft coupling, 9. recess, 10. socket, 11. installing racks, 12. motors, 13. end caps, 14. screws, 15. guide rail installation frames, 16. guide rails, 17. rollers, 18. hide hawk, 19. travelling nuts, 20. roller shafts, 21. plate sassafras a, 22. plate sassafras b, 23. springs, 24. handles, 25. plate sassafras c, 26. flat thin magnets.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The utility model provides a kind of sassafras blackboard machine automatically, as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, comprise leading screw 5, the two ends of leading screw 5 are provided with tripod 2, motor reversal inductor 3 is provided with in the tripod 2 of leading screw 5 one end, motor stalling inductor 6 is provided with in the tripod 2 of leading screw 5 other end, leading screw 5 is connected with motor 12 by shaft coupling 8, leading screw 5 is provided with travelling nut 19, travelling nut 19 is connected with one end of plate sassafras a21, plate sassafras a21 is connected with plate sassafras b22 and plate sassafras c25 in turn, the side of plate sassafras b22 is connected with plate sassafras a21 by lead 1, spring 23 and handle 24 lead 1 be equipped with, handle 24 is provided with projection 4, plate sassafras a21 is provided with the recess 9 matched with projection 4,
Tripod 2 is provided with bearing 7, leading screw 5 is through bearing 7, and the bearing 7 of leading screw 5 one end is by nut axial location, and the bearing 7 of leading screw 5 other end is by end cap 13 axial location, and end cap 13 is connected by screw 14 with tripod 2;
The opposite side of plate sassafras b22 is connected with flat thin magnet 26 by pin, and flat thin magnet 26 ensures the good contact of plate sassafras c25 and blackboard.The end face of the opposite side of plate sassafras b22 is provided with groove, the fur felt of plate sassafras c25 is installed in groove;
The other end of plate sassafras a21 is provided with roller shaft 20, roller shaft 20 is provided with roller 17, roller 17 is also positioned at guide rail 16, and guide rail 16 is connected with guide rail installation frame 15, and guide rail installation frame 15 is connected with wall;
Travelling nut 19 is provided with socket 10, one end of plate sassafras a21 is inserted in socket 10;
Lead 1 arranges three, mounting spring 23 and handle 24 on middle lead 1;
Leading screw 5 is provided with and hides hawk 18;
Motor 12 is connected with wall by installing rack 11;
As shown in Figure 5, lead 1 is equipped with spring 23 and handle 24, handle 24 is provided with projection 4, plate sassafras a21 is provided with the recess 9 matched with projection 4.
The using method of a kind of automatic sassafras blackboard machine of the utility model is: the utility model is installed to the bottom blackboard moving up and down formula blackboard, during use, motor 12 is energized, leading screw 5 starts to rotate, thus drive the plate sassafras a21 be inserted in travelling nut, plate sassafras b22, move with plate sassafras c25 and move to the other end from one end of blackboard, plate sassafras c25 sassafras blackboard, when moving to the other end of blackboard, motor reversal inductor 3 senses the position of travelling nut 19, motor 12 is forced to reverse, now plate sassafras a21, plate sassafras b22, move with plate sassafras c25 and start to move to one end of blackboard, when motor stalling inductor 6 senses the position of travelling nut 19, motor 12 stall, when a wiping result is undesirable, starter motor 12 repeats above action repeatedly.
When the position of upper and lower two blackboards is changed, now plate sassafras c25 does not reach blackboard surface, by handle 24 holddown spring 23, plate sassafras b22 is forced to move along its lead 1, and match nested by handle 24 projection 4 with the recess 9 on plate sassafras a21, make plate sassafras c25 contact blackboard surface, start wiping.Under the mountain of blackboard here, manually, blackboard wiping process is electronic in the mobile change with blackboard eraser two station.
The automatic sassafras blackboard machine of one of the present utility model is provided with plate sassafras a21, plate sassafras b22 and plate sassafras c25, plate sassafras c25 sassafras blackboard is driven by motor 12, when the position of upper and lower two blackboards is changed, now plate sassafras c25 does not reach blackboard surface, by handle 24 holddown spring 23, force plate sassafras b22 to move along its lead 1, and match nested by handle 24 projection 4 with the recess 9 on plate sassafras a21, make plate sassafras c25 contact blackboard surface, start wiping.The utility model structure is simple, easy to use, low cost of manufacture, reduces teachers work amount, ensures quality of instruction, is convenient to install and change, and one time is not as clean in wiped, and can run repeatedly wiping board, is applicable to a large amount of moving type blackboard alternatively up and down adopting chalk teaching at present.
Claims (8)
1. an automatic sassafras blackboard machine, it is characterized in that: comprise leading screw (5), the two ends of leading screw (5) are provided with tripod (2), motor reversal inductor (3) is provided with in the tripod (2) of leading screw (5) one end, motor stalling inductor (6) is provided with in the tripod (2) of leading screw (5) other end, leading screw (5) is connected with motor (12) by shaft coupling (8), leading screw (5) is provided with travelling nut (19), travelling nut (19) is connected with one end of plate sassafras a (21), plate sassafras a (21) is connected with plate sassafras b (22) and plate sassafras c (25) in turn, the side of plate sassafras b (22) is connected with plate sassafras a (21) by lead (1), spring (23) and handle (24) lead (1) be equipped with, handle (24) is provided with projection (4), plate sassafras a (21) is provided with the recess (9) matched with projection (4).
2. the automatic sassafras blackboard machine of one according to claim 1, it is characterized in that: described tripod (2) is provided with bearing (7), leading screw (5) is through bearing (7), the bearing (7) of leading screw (5) one end is by nut axial location, the bearing (7) of leading screw (5) other end is by end cap (13) axial location, and end cap (13) is connected by screw (14) with tripod (2).
3. the automatic sassafras blackboard machine of one according to claim 1 and 2, it is characterized in that: the opposite side of described plate sassafras b (22) is connected with flat thin magnet (26) by pin, the end face of the opposite side of plate sassafras b (22) is provided with groove, the fur felt of plate sassafras c (25) is installed in groove.
4. the automatic sassafras blackboard machine of one according to claim 3, it is characterized in that: the other end of described plate sassafras a (21) is provided with roller shaft (20), roller shaft (20) is provided with roller (17), roller (17) is also positioned at guide rail (16), guide rail (16) is connected with guide rail installation frame (15), and guide rail installation frame (15) is connected with wall.
5. the automatic sassafras blackboard machine of one according to claim 4, is characterized in that: described travelling nut (19) is provided with socket (10), and one end of plate sassafras a (21) is inserted in socket (10).
6. the automatic sassafras blackboard machine of one according to claim 4, is characterized in that: described lead (1) arranges three, the upper mounting spring (23) of middle lead (1) and handle (24).
7. the automatic sassafras blackboard machine of one according to claim 4, is characterized in that: described leading screw (5) is provided with and hides hawk (18).
8. the automatic sassafras blackboard machine of one according to claim 4, is characterized in that: described motor (12) is connected with wall by installing rack (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520714224.9U CN205009845U (en) | 2015-09-15 | 2015-09-15 | Automatic sassafras blackboard machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520714224.9U CN205009845U (en) | 2015-09-15 | 2015-09-15 | Automatic sassafras blackboard machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205009845U true CN205009845U (en) | 2016-02-03 |
Family
ID=55208470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520714224.9U Expired - Fee Related CN205009845U (en) | 2015-09-15 | 2015-09-15 | Automatic sassafras blackboard machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205009845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818581A (en) * | 2016-04-13 | 2016-08-03 | 北京工商大学 | Automatic blackboard cleaning machine and automatic blackboard cleaning method |
-
2015
- 2015-09-15 CN CN201520714224.9U patent/CN205009845U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818581A (en) * | 2016-04-13 | 2016-08-03 | 北京工商大学 | Automatic blackboard cleaning machine and automatic blackboard cleaning method |
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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: 20160203 Termination date: 20160915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |