CN203805595U - Automatic blackboard eraser - Google Patents
Automatic blackboard eraser Download PDFInfo
- Publication number
- CN203805595U CN203805595U CN201420246024.0U CN201420246024U CN203805595U CN 203805595 U CN203805595 U CN 203805595U CN 201420246024 U CN201420246024 U CN 201420246024U CN 203805595 U CN203805595 U CN 203805595U
- Authority
- CN
- China
- Prior art keywords
- roller bearing
- blackboard eraser
- ash
- collection slot
- motor
- 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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- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The utility model discloses an automatic blackboard eraser comprising a rolling erasing mechanism, a rolling shaft, a first drive device, a second drive device and a dust removing device. The rolling erasing mechanism comprises a rolling shaft frame, the rolling shaft is rotatably arranged on the rolling shaft frame and is provided with a brush in a wrapped manner, the first drive device comprises a guide rail and a screw which are arranged on two sides of a blackboard, one end of the screw is connected to a first motor, the other end of the rolling shaft frame is connected to a screw nut, the screw nut is connected to the screw in a matched manner, the other end of the rolling shaft frame sleeves the guide rail, and the second drive device is connected to the rolling shaft. The automatic blackboard eraser is convenient to use, high in wiping speed and environment-friendly, dust flying is avoided during usage, and human bodies are protected from damage by the dusts.
Description
Technical field
The utility model relates to a kind of blackboard eraser, particularly a kind of automatic blackboard eraser.
Background technology
Schoolman is saying class hour, constantly use blackboard eraser erasing chalk word on blackboard.Traditional blackboard eraser is all the small-sized blackboard eraser of small hand-held formula, need to be with the direct wiping of hand when this blackboard eraser uses, in every day continual teaching process, the frequent blackboard eraser that constantly uses, make teacher very tired, clash speed also slow, and dust flies upward everywhere.Have a strong impact on the healthy of academics and students.
The information that is disclosed in this background technology part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply that in any form this information structure has been the known prior art of persons skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of blackboard eraser of automatic rolling, thereby overcomes the shortcoming of the slow effort of blackboard wiping speed.
The chalk dust that another object of the present utility model produces while being to collect blackboard wiping, thus overcome the shortcoming of dust from flying.
For achieving the above object, the utility model provides a kind of automatic blackboard sassafras, rolls and wipes mechanism, and it comprises roller bearing frame; Roller bearing, it is located on described roller bearing frame in rotating mode, and this roller bearing pressed on ring is arranged with hairbrush; The first drive unit, it comprises is located at respectively the guide rail of blackboard one side and the leading screw of opposite side, one end of described leading screw is connected with one first motor, one end of described roller bearing frame is connected with a feed screw nut, this feed screw nut and described screw mandrel are connected, and the other end of described roller bearing frame is sheathed on described guide rail; And second drive unit, it is connected with described roller bearing, to drive described roller bearing to rotate; Dust arrester, it comprises that one for holding the ash collection slot of described roller bearing, the opening of this ash collection slot is corresponding with the plate face of described blackboard; The edge of one side of described ash collection slot is to bending in groove, the flexible pipe that at least one entrance point is connected with described ash collection slot curved edge one side; One dust catcher being connected with the port of export of described flexible pipe; And the ash collecting box being connected with described dust catcher.
In technique scheme, on described feed screw nut, be covered with a protective sleeve.
In technique scheme, described the first drive unit comprises the synchronizing wheel that the second motor and of being located on described protective sleeve is fixedly connected with described roller bearing and is connected with this second motor by Timing Belt.
In technique scheme, described ash collection slot is provided with two ash output openings, and described flexible pipe is that two and its entrance point are connected with described two ash output openings respectively.
In technique scheme, described the second drive unit is one second motor.
Compared with prior art, the utlity model has following beneficial effect:
(1) automatic blackboard eraser of the present utility model arranges hairbrush on roller bearing, and when motor drives roller bearing to rotate, hairbrush contacts with blackboard, reaches the object erasing the board; Easy to use, wiping speed is fast.
(2) around hairbrush, be provided with ash collection slot, the hairbrush blackboard wiping that constantly rolls, dust after wiping enters ash collection slot, dust catcher is sucked into the dust in ash collection slot in ash collecting box by flexible pipe, automatic blackboard eraser of the present utility model, use procedure, without dust from flying, has been avoided the injury of dust to human body, and environmental protection.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model automatic blackboard eraser.
Fig. 2 rolls in the utility model automatic blackboard eraser to wipe the structural representation of mechanism.
Fig. 3 is that the structural representation of another scheme of mechanism's ash collection slot is wiped in the utility model rolling.
Main description of reference numerals:
1-rolls and wipes mechanism, 10-roller bearing, 11-roller bearing frame, 12-the second synchronous pulley;
2-blackboard;
3-the second drive unit, 31-guide rail, 32-leading screw, 33-the first motor, 34-protective sleeve, 35-motor cabinet;
4-the first drive unit, 41-the second motor, 42-the first synchronous pulley, 43-Timing Belt;
5-dust arrester, 51-ash collection slot, 52-ash output opening, 53-flexible pipe, 54-dust catcher, 55-ash collecting box.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of detailed description of the invention.
Unless separately there is other clearly to represent, otherwise in whole description and claims, term " comprises " or its conversion was stated being understood to include as " comprising " or " including " etc. element or part, and do not get rid of other element or other part.
Embodiment 1
As depicted in figs. 1 and 2, automatic blackboard sassafras of the present utility model, rolls and wipes mechanism 1, it comprises roller bearing frame 11, roller bearing 10, and it is located on described roller bearing frame 11 in rotating mode, and these roller bearing 10 pressed on rings are arranged with hairbrush, are provided with the second synchronous pulley 12 at the right-hand member of roller bearing 10, the first drive unit 3, it comprises is located at respectively the guide rail 31 in blackboard 2 left sides and the leading screw (ball-screw) 32 on right side, the lower end of described leading screw 32 is connected with the first motor (stepper motor) 33, the right-hand member of described roller bearing frame 11 is connected with the protective sleeve 34 that lid is located on feed screw nut (not shown), protective sleeve 34 is provided with motor cabinet 35, motor cabinet 35 is provided with the second motor (direct current generator) 41, the first synchronous pulley 42 that the second motor 41 connects is connected with the first synchronous pulley 12 by Timing Belt 43, the second drive unit 4 is that the second motor 41 is for driving rotating shaft 10 to rotate, feed screw nut and described screw mandrel 32 are connected, and the left end of described roller bearing frame 11 is sheathed on described guide rail 31, and the first motor 33 drives leading screw 32 to turn round, and then control roller bearing 10 pumps on blackboard 2 plate faces, dust arrester 5, it comprises that one for holding the ash collection slot 51 of described roller bearing 10, and the opening of this ash collection slot 51 is corresponding with the plate face of described blackboard 2, and the outside that on roller bearing 10, the length of hairbrush extends to ash collection slot 51 openings contacts with blackboard 2, the edge of described ash collection slot 51 1 sides is to bending in groove, roller bearing 10 rotates the chalk dust of wiping generation and is dumped into ash collection slot 51 1 lateral edges to knee in groove, one side of ash collection slot 51 inward flange bendings is provided with two ash output openings 52, described flexible pipe 53 is that two and its entrance point are connected with described two ash output openings 52 respectively, the dust catcher 53 that the port of export of flexible pipe 52 connects, and the ash collecting box 54 being connected with described dust catcher 53.
Embodiment 2
As shown in figures 1 and 3, a kind of automatic blackboard eraser, the difference of itself and embodiment 1 is: have a hole 52 at the middle part of ash collection slot 51, flexible pipe 53 is connected with hole 52, and the port of export of flexible pipe 53 is connected with dust catcher 54, and described dust catcher 54 is connected with ash collecting box 55.
The aforementioned description to concrete exemplary of the present utility model is in order to illustrate and the object of illustration.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.Exemplary embodiment is selected and the object described is to explain certain principles of the present utility model and practical application thereof, thereby made those skilled in the art can realize and utilize various exemplary of the present utility model and various selection and change.Scope of the present utility model is intended to be limited by claims and equivalents thereof.
Claims (5)
1. an automatic blackboard eraser, is characterized in that, it comprises,
Mechanism is wiped in rolling, and it comprises roller bearing frame;
Roller bearing, it is located on described roller bearing frame in rotating mode, and this roller bearing pressed on ring is arranged with hairbrush;
The first drive unit, it comprises is located at respectively the guide rail of blackboard one side and the leading screw of opposite side, one end of described leading screw is connected with the first motor, one end of described roller bearing frame is connected with a feed screw nut, this feed screw nut and described screw mandrel are connected, and the other end of described roller bearing frame is sheathed on described guide rail; And
The second drive unit, it is connected with described roller bearing, to drive described roller bearing to rotate;
Dust arrester, it comprises that one for holding the ash collection slot of described roller bearing, the opening of this ash collection slot is corresponding with the plate face of described blackboard; The edge of one side of described ash collection slot is to bending in groove, the flexible pipe that at least one entrance point is connected with described ash collection slot curved edge one side; One dust catcher being connected with the port of export of described flexible pipe; And the ash collecting box being connected with described dust catcher.
2. automatic blackboard eraser according to claim 1, is characterized in that, is covered with a protective sleeve on described feed screw nut.
3. automatic blackboard eraser according to claim 2, is characterized in that, described the first drive unit comprises the synchronizing wheel that the second motor and of being located on described protective sleeve is fixedly connected with described roller bearing and is connected with this second motor by Timing Belt.
4. automatic blackboard eraser according to claim 1, is characterized in that, described ash collection slot is provided with two ash output openings, and described flexible pipe is that two and its entrance point are connected with described two ash output openings respectively.
5. automatic blackboard eraser according to claim 1, is characterized in that, described the second drive unit is one second motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420246024.0U CN203805595U (en) | 2014-05-14 | 2014-05-14 | Automatic blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420246024.0U CN203805595U (en) | 2014-05-14 | 2014-05-14 | Automatic blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203805595U true CN203805595U (en) | 2014-09-03 |
Family
ID=51444393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420246024.0U Expired - Fee Related CN203805595U (en) | 2014-05-14 | 2014-05-14 | Automatic blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203805595U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963522A (en) * | 2014-05-14 | 2014-08-06 | 广西电力职业技术学院 | Automatic blackboard eraser |
| CN108583092A (en) * | 2018-05-22 | 2018-09-28 | 张艳 | A kind of intelligence erases the board robot |
-
2014
- 2014-05-14 CN CN201420246024.0U patent/CN203805595U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963522A (en) * | 2014-05-14 | 2014-08-06 | 广西电力职业技术学院 | Automatic blackboard eraser |
| CN108583092A (en) * | 2018-05-22 | 2018-09-28 | 张艳 | A kind of intelligence erases the board robot |
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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: 20140903 Termination date: 20150514 |
|
| EXPY | Termination of patent right or utility model |