CN2486349Y - Environment protection dust-proof automatic blackboard eraser - Google Patents
Environment protection dust-proof automatic blackboard eraser Download PDFInfo
- Publication number
- CN2486349Y CN2486349Y CN 01231386 CN01231386U CN2486349Y CN 2486349 Y CN2486349 Y CN 2486349Y CN 01231386 CN01231386 CN 01231386 CN 01231386 U CN01231386 U CN 01231386U CN 2486349 Y CN2486349 Y CN 2486349Y
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- support
- eraser
- blackboard
- dust
- 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 discloses an automatic environment-friendly dust-proof eraser for blackboard. The eraser is mounted in a carrier provided with two motors of which one motor drives the eraser via a belt-driven device and the other drives the carrier and eraser to move back and forth in linear motion via a sprocket and chain, a roller is arranged on the top of the carrier in the groove of a guide rail mounted on the wall above the blackboard. A limit stop is provided on each of the two sides of the carrier, a limit switch is mounted on each of the corresponding limit stops at the two ends of the guide rail, a plurality of wipers are arranged on the eraser on a carrier body with screws, and the portion of the wipers in contact with the blackboard is made of wearable material with good elasticity. The eraser is mounted in a bearing of the carrier, and provided with a sealed dust-proof shield. The utility model controls the dust in a sealed dust-proof shield, preventing the dust from flying everywhere, and contributing to the health. The automation of eraser improves the conditions for study and labor.
Description
Technical field
The utility model relates to the anti-dust automatic blackboard eraser of a kind of environment-friendly type.
Background technology
Blackboard is that teacher imparts knowledge to students, student's study and the good tool that carries out the blackboard newspaper propaganda, uses simple and conveniently, spends little.It is manual still to rely on but erase the board, and wastes time and energy; The chalk powder flies upward everywhere, has polluted environment, and it is healthy to have seriously influenced teachers and students.
Summary of the invention
The purpose of this utility model is that dust polluting environment endangers the healthy problem of teachers and students and designs a kind of anti-dust automatic blackboard eraser of being made up of motor, support, blackboard eraser, travel mechanism, seal and dust box of environment-friendly type in the time of will solving manual erasing the board.
Content of the present utility model: a kind of environment-friendly type is prevented the dust automatic blackboard eraser, it is characterized in that: blackboard eraser is loaded in the support, support is provided with two motor, a motor drives blackboard eraser through belt drive unit, also be provided with on the support through the sprocket chain bar and drive round straight-line another motor of support, support top is provided with roller, and roller is loaded in the guide-track groove of guide rail, and guide rail is fixed on the wall of blackboard top; The support both sides are provided with block, and corresponding block is provided with travel switch at the guide rail two ends; Blackboard eraser is provided with several and wipes sheet, wipes sheet and is screwed on the blackboard eraser support body, wipes the material that sheet and blackboard contact site are equipped with wear-resisting good springiness, and blackboard eraser is loaded in the bearing of support, is provided with the sealing and dustproof guard shield in the blackboard brush neighboring.Block and support are for being threaded, and block stretches out length can be regulated.Described dustproof anti-cover bottom is provided with removable dust box.
The beneficial effects of the utility model:
1. blackboard eraser is provided with dust cover outward, and blackboard eraser is in the enclosure space of blackboard and dust cover formation, has avoided the chalk powder to fly upward everywhere, has protected environment.Be beneficial to the healthy of teachers and students.The dust cover bottom is provided with the drawer type dust box of collecting the chalk powder, and is so that in time handle the chalk powder that accumulates, easy to use.
2. scrubbing brush is realized move left and right by motor by sprocket wheel, chain, roller and guide rail, be fixed on another motor drives blackboard eraser rotation on the support, chalk writing on the blackboard wiping, realized the automation that erases the board, only need the control button operation that can erase the board automatically, improved working condition.
3. cooperate the block of control blackboard eraser stroke and support for being threaded with travel switch, be convenient to adjustment.
Description of drawings
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the C-C cutaway view of Fig. 1;
Fig. 5 is the D-D cutaway view of Fig. 1;
Fig. 6 is an electrical schematic diagram.
The specific embodiment
Further specify the utility model below in conjunction with drawings and Examples.
Environment-friendly type prevents that dust automatic blackboard eraser (Fig. 1, Fig. 2, Fig. 3) is made up of main part such as support 6, blackboard eraser 19, motor 7,10, belt pulley 4,9, belt 8, chain 11, sprocket wheel 17, dust cover 1, block 5, travel switch 3, roller 14,24.Blackboard eraser is wiped sheets by several and is formed and be uniformly distributed along the circumference, and wiping sheet 20 ends are sponge, and the blackboard eraser axle is loaded on 2 li on the bearing of support, and blackboard eraser axle upper end is installed with belt pulley 4, belt pulley 4 by motor 10 and on belt pulley 9 through belt 8 transmissions.Motor 10 is screwed on support.The left and right straight-line motion mechanism of blackboard eraser is made up of motor 7, sprocket wheel 17, chain 11, roller 24 and guide rail 22, it moves by motor 7 after decelerator 16 slows down, through the sprocket wheel 17 on the reducer output shaft, and chain 11 engagements that are positioned at above the sprocket wheel 17 realize that the two ends of chain 11 are fixed on the wall at blackboard place; The cross sectional shape of guide rail 22 is similar to channel-section steel, and the one side is fixed on the wall at blackboard 26 places, and roller 24 is arranged in the guide rail, and roller 24 adopts rolling bearing, and the quantity of roller 24 is two, and roller 24 is loaded on the two ends that also are contained in support on the wheel shaft 23 respectively and is fixed by nut.The position-limit mechanism of blackboard eraser move left and right is made up of block 5 and travel switch 3 and spacing buting iron.Block quantity is two both sides of also being located at support respectively, and the quantity of travel switch is two also, is fixed on the two ends of guide rail 22, respectively is provided with a spacing buting iron at the guide rail two ends.The contact of travel switch is corresponding with stop location.Block adopts hexagon-headed bolt, and is fixing with nut 21 after stop location mixes up.The bottom of support is provided with roller 14, and its quantity is two, is located at the both sides of support bottom respectively.Roller adopts rolling bearing and is loaded on 25 li of turning rolls, and turning rolls is fixedlyed connected with support, and roller 14 can move along the guide pass on the wall 13.Be provided with dust cover 1 corresponding to blackboard eraser, dust cover is loaded on the support through screw.Sealing strip 18 is equipped with at the place, composition surface that dust cover is relative with blackboard, and blackboard eraser is closed, and is provided with the dust box 15 that can take out in the bottom of dust cover.During use, master switch 12 (K1) is pulled to the left side or the right two motor rotation works, blackboard eraser rotary work.When block presses travel switch, blackboard eraser quits work.In the time of need quitting work as any place in working, place master switch the centre position to get final product, easy to use.Shown in Figure 6 is that blackboard eraser is in the block that stops at the right, support and pushes down travel switch K3 (piece number 3) and quit work, and master switch K1 (being piece number 12) is in the position (stopping) of separation, and travel switch K2 (piece number 3) is in the position of closing.10 is blackboard eraser turning motor (coil) among the figure, and 7 is blackboard eraser travel motor (coil).
Claims (3)
1. an environment-friendly type is prevented the dust automatic blackboard eraser, it is characterized in that: blackboard eraser is loaded in the support, support is provided with two motor, a motor drives blackboard eraser through belt drive unit, also be provided with on the support through the sprocket chain bar and drive round straight-line another motor of support, support top is provided with roller, and roller is loaded in the guide-track groove of guide rail, and guide rail is fixed on the wall of blackboard top; The support both sides are provided with block, and corresponding block is provided with travel switch at the guide rail two ends; Blackboard eraser is provided with several and wipes sheet, wipes sheet and is screwed on the blackboard eraser support body, wipes the material that sheet and blackboard contact site are equipped with wear-resisting good springiness, and blackboard eraser is loaded in the bearing of support, is provided with the sealing and dustproof guard shield in the blackboard eraser neighboring.
2. as the anti-dust automatic blackboard eraser of claims 1 described environment-friendly type, it is characterized in that: block and support are for being threaded, and block stretches out length can be regulated.
3. as the anti-dust automatic blackboard eraser of claims 1 described environment-friendly type, it is characterized in that: described dustproof anti-cover bottom is provided with removable dust box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01231386 CN2486349Y (en) | 2001-07-13 | 2001-07-13 | Environment protection dust-proof automatic blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01231386 CN2486349Y (en) | 2001-07-13 | 2001-07-13 | Environment protection dust-proof automatic blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2486349Y true CN2486349Y (en) | 2002-04-17 |
Family
ID=33645654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01231386 Expired - Fee Related CN2486349Y (en) | 2001-07-13 | 2001-07-13 | Environment protection dust-proof automatic blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2486349Y (en) |
-
2001
- 2001-07-13 CN CN 01231386 patent/CN2486349Y/en not_active Expired - Fee Related
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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 |