CN2345365Y - Multifunction automatic cleaning and dust-absorption blackboard - Google Patents
Multifunction automatic cleaning and dust-absorption blackboard Download PDFInfo
- Publication number
- CN2345365Y CN2345365Y CN 98238628 CN98238628U CN2345365Y CN 2345365 Y CN2345365 Y CN 2345365Y CN 98238628 CN98238628 CN 98238628 CN 98238628 U CN98238628 U CN 98238628U CN 2345365 Y CN2345365 Y CN 2345365Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- brush
- guide rail
- dust
- transmission mechanism
- 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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Abstract
The utility model relates to a multifunction automatic word-erasing and dust-absorbing blackboard, belonging to teaching equipment. A left side, a right side and an upper side of a blackboard are respectively provided with a frame, the blackboard is provided with a blackboard brush, and a transmission mechanism of the blackboard brush is arranged in the upper frame. The utility model comprises a guiding rail, a sliding wheel, a carriage, a platform and a motor. The transmission mechanism is connected with a cylindrical brush shaft, a power switch is arranged in the left frame of the blackboard, the blackboard brush arranged on the blackboard is laterally moved leftwards and rightwards, and the lower end of the blackboard brush is provided with a duster to realize automatic dust absorption. The utility model has the advantages of convenient operation, thorough elimination of chalk dust pollution, manual erasing blackboard replacement and teaching efficiency improvement.
Description
The utility model relates to a kind of multi-functional automatic wiping word dust-absorbing blackboard, belongs to teaching aid, is used in particular for the writing on the blackboard blackboard of giving lessons in the classroom.
The blackboard that at present relevant classroom is used existingly has except that dust, and it is to realize under suction function by the blackboard of micropore, has certain shortcoming promptly can not wipe letter written with chalk on the blackboard automatically; Can not utilize existing plate glass to make blackboard; Owing to constantly wipe the workload that word has increased the lecturer, influence the efficient of giving lessons.
The purpose of this utility model is to provide a kind of can inhale dust, can wipe the multi-functional automatic wiping word dust-absorbing blackboard of word again automatically.
The purpose of this utility model can realize by following technical proposals, and the going up of blackboard panel, the frame that left and right three limits have carrying space have the perpendicular type guide rail in upper ledge, and this guide rail is fixed by bolts on the support.Support is fixed on the bearing, bearing is fixed by bolts on the wall or on other integral support, guide rail is provided with a dolly, have trundle and leading block on the dolly, trundle cooperates with the horizontal sides of guide rail, leading block cooperates with the vertical edges of guide rail, and pulley turns round on guide rail and makes the directed operation of dolly.Have the platform that connects with bearing pin on the dolly, motor, transition wheel are housed and on the platform around wire rope pulley.Drive is housed on the motor output shaft, connect transition wheel by belt, transition wheel connects drive by belt, drive is installed on the blackboard brush axle, drive connects around wire rope pulley by belt, be wound with steel wire rope on wire wheel, the two ends of steel wire rope are fixed on the two ends of guide rail, have constituted transmission mechanism.On blackboard panel, be provided with the blackboard brush that laterally moves, the vertical rectangle of blackboard brush shell, an opening contacts with blackboard panel.Its upper end uses Bolt Connection on platform.Bearing is housed between inwall, and the two end axles of columned hairbrush is installed in the bearing.The front end of blackboard brush shell has dovetail groove, in the middle of two walls dividing plate is arranged, and has some airing holes on the dividing plate, is provided with the dust catcher that is made of tilted-putted screen pack of vacuum motor and its front and shell in the bottom of blackboard brush shell.In the blackboard left frame, be provided with power switch.In outside, blackboard upper ledge middle part the national flag support is arranged, when using, as long as according to the indication of switch direction, press the touch switch blackboard brush and just move while brushing to the other end from an end, dust catcher is worked simultaneously, in any position, stop strong will stopping when pressing, will stop automatically when blackboard brush moves to the other end, respectively there is a travel switch effect termination, press the strong blackboard brush of rightabout and can finish brush suction work to moving in the other direction again.
The utility model compared with prior art owing to have automatic blackboard brush, has alleviated the workload that the teacher erases the board, disperse energy less, saved the time, improved the effect of giving lessons, this kind blackboard eraser speed is fast, high efficiency, volume is little, and good decorative property is because the automatic dust absorption device of blackboard, dust suction is thorough, pollution abatement fully.
Fig. 1 is the utility model outward appearance front view
Fig. 2 removes upper ledge to see the transmission mechanism structural representation
Fig. 3 is the vertical view that removes transmission mechanism behind the upper ledge
Fig. 4 is the A-A cutaway view of Fig. 1
Fig. 5 is the B-B cutaway view of Fig. 1
The 1-blackboard, 2-national flag support, 3-upper ledge, 4-frame, 5-ledge for chalk on blackboard and lower guideway, 6-blackboard brush shell 7-dust catcher shell, 8-switch, the 9-spring, 10-travel switch, 11-steel wire rope, 12-is around wire wheel, 13-leading block, 14-drive, the 15-transition wheel, 16-motor arbor wheel, 17-motor, the 18-upper rail, 19-upper rail installing rack, 20-dolly, the 21-platform, 22-trundle, 23-axle, the 24-bearing, 25-blackboard brush axle, 26-hairbrush, the 27-pulley, 28-screen pack, 29-vacuum motor, the 30-mount pad, 31-timber beam, 32-seal weatherstrip.
Below in conjunction with accompanying drawing the utility model embodiment is described:
Multi-functional automatic wiping word dust-absorbing blackboard of the present utility model, its blackboard (1) plate face is fixed on the framework that is made of mount pad (30) and timber beam (31), on the plate face, a left side, right three limits have the frame of carrying space, frame can be used the plastics forming material during production, also available wooden plywood or plastic plate curl to decorate and replace, in upper ledge (3), there is perpendicular type guide rail (18) to adopt the unequal angle of 60 * 40 specifications, this guide rail is fixed by bolts on the upper rail installing rack (19), upper rail installing rack (19) is fixed by bolts on the mount pad (30), and mount pad (30) is fixed by bolts on the wall of classroom or on other whole bearing.Guide rail is provided with a dolly (20), dolly (20) curves the right angle with the thick steel plate of 3mm and forms, (22) four of trundles are installed in its side, each two up and down, above two bear dolly weight, below two auxiliary guiding, at horizontal plane (13) three of leading blocks are installed, pulley is all used rolling bearing, and trundle (22) cooperates with the horizontal plane of guide rail, leading block cooperates with the vertical plane of guide rail, pulley turns round on guide rail and makes dolly do directed operation, has the platform (21) that connects with bearing pin on the dolly (20), and platform (21) is made with the thick steel plate of 3mm, motor (17) is housed on the platform, adopt single-phase 40W, 1400 rev/mins micromachine, transition wheel (15) and around wire wheel (12), transition wheel plays decelerating effect, motor arbor wheel (16) is installed on motor output shaft, drive (14) is installed on blackboard brush axle (23), and removing around wire wheel (12) needs with harder material, as cast iron, outside steel etc. are made, all available nylon of other drive or bakelite manufacturing.Pass through belt, motor arbor wheel (16) is connected with transition wheel (15), transition wheel (16) is connected with drive (14) again, drive (14) is passed to power around wire wheel (12) again, be wound with steel wire rope (11) on wire wheel (12), steel wire rope is selected the cord of 3-5mm for use, and the two ends of steel wire rope have spring (9) to be fixed on the two ends of guide rail (18), come the pretension steel wire rope with spring (9), constituted transmission mechanism.Be provided with the blackboard brush that laterally moves on blackboard surface, blackboard brush shell (6) is vertical rectangle, and an opening contacts with blackboard surface, this shell is made with aluminium alloy, its upper end on platform (21), is equipped with three on bearing with Bolt Connection between inwall, select for use than ting model for bottom one.The two ends of columned hairbrush (26) are stretched out blackboard brush axle (25) and are installed in the bearing (24).The front end of blackboard brush shell (6) has dovetail groove, and the wool top (32) of sealing usefulness is installed in the groove, and a dividing plate is arranged between two walls, has some airing holes on the dividing plate, and dividing plate and blackboard brush shell (6) they are an integral body, one-shot forming during manufacturing, and aperture processes after being.In the lower end of blackboard brush shell (6) pulley (27) is installed and is cooperated, prevent in service stuckly, also be provided with dust catcher by vacuum motor (29) and tilted-putted screen pack in its front (28) and dust catcher shell (7) formation with ledge for chalk on blackboard and lower guideway (5).Vacuum motor (29) is selected 800-1200W for use, single-phase dust suction motor special.Screen pack (28) adds thicker cloth with the wire netting skeleton and makes.Dust catcher shell (7) is made with engineering plastics, in blackboard left frame bottom power switch is set, select touch switch for use, in control circuit, selected two center-off devices and two travel switches (10) for use, operated motor (17) and vacuum motor (29) are connected in parallel on run-in synchronism in the circuit.
Be provided with national flag support (2) in outside, blackboard upper ledge (3) middle part, be used for making things convenient for the installation national flag.Support is screwed on upper ledge with stainless steel tube and corrosion resistant plate manufacturing.
Except that the described technology of specification, be the known technology of those skilled in the art.
Claims (4)
1, multi-functional automatic wiping word dust-absorbing blackboard, comprise blackboard, it is characterized in that, about blackboard and top has the frame of carrying space, in upper ledge, be provided with transmission mechanism, on blackboard panel, be provided with the blackboard brush that laterally moves, be connected with dust catcher, be provided with contactor in the on the left side frame in the lower end of blackboard brush.
2, press claims 1 described blackboard, it is characterized in that, transmission mechanism: be in the upper ledge (3) at blackboard, perpendicular type guide rail (18) is housed, guide rail is provided with dolly (20), have trundle (22) and leading block (13) on the dolly, trundle cooperates with the horizontal sides of guide rail, leading block cooperates with the guide rail vertical edges, have platform (21) on the dolly, motor (17) is housed on the platform, transition wheel (15), steel wire rope (11), around wire wheel (12), motor arbor wheel (16) is housed on motor output shaft, connect transition wheel (15) by belt, transition wheel connects drive (14) by belt, drive (14) is contained on the axle (23) of blackboard brush, and drive (14) connects around wire rope pulley (12) by belt, is being wound with steel wire rope (11) on wire wheel (12), two ends of steel wire rope are fixed on the two ends of guide rail (18), constitute transmission mechanism.
3, press the blackboard of claims 1 or 2, it is characterized in that blackboard brush is vertical rectangle, an opening contacts with blackboard surface, the upper end uses Bolt Connection on platform (21), the blackboard brush outer casing inner wall is equipped with bearing, columned hairbrush (26) two end axles is installed in the bearing (24), the front end of blackboard brush shell (6) has dovetail groove, one dividing plate is arranged in the middle of two walls, have some airing holes on the dividing plate, the bottom of blackboard brush shell is provided with the dust catcher that is made of vacuum motor (29) and tilted-putted screen pack in its front (28) and dust catcher shell (7).
4, press claims 1 described blackboard, it is characterized in that being provided with national flag support (2) in outside, blackboard upper ledge middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98238628 CN2345365Y (en) | 1998-08-20 | 1998-08-20 | Multifunction automatic cleaning and dust-absorption blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98238628 CN2345365Y (en) | 1998-08-20 | 1998-08-20 | Multifunction automatic cleaning and dust-absorption blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2345365Y true CN2345365Y (en) | 1999-10-27 |
Family
ID=33986162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98238628 Expired - Fee Related CN2345365Y (en) | 1998-08-20 | 1998-08-20 | Multifunction automatic cleaning and dust-absorption blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2345365Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816568A (en) * | 2015-04-14 | 2015-08-05 | 昆明理工大学 | Automatic blackboard cleaning device |
| CN106004183A (en) * | 2016-07-25 | 2016-10-12 | 汤美 | Powerful cleaning device for blackboard for education |
-
1998
- 1998-08-20 CN CN 98238628 patent/CN2345365Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816568A (en) * | 2015-04-14 | 2015-08-05 | 昆明理工大学 | Automatic blackboard cleaning device |
| CN106004183A (en) * | 2016-07-25 | 2016-10-12 | 汤美 | Powerful cleaning device for blackboard for education |
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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 |