CN204870245U - Teaching is with chalkboard eraser that can inhale chalk dust automatically - Google Patents
Teaching is with chalkboard eraser that can inhale chalk dust automatically Download PDFInfo
- Publication number
- CN204870245U CN204870245U CN201520437210.7U CN201520437210U CN204870245U CN 204870245 U CN204870245 U CN 204870245U CN 201520437210 U CN201520437210 U CN 201520437210U CN 204870245 U CN204870245 U CN 204870245U
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- CN
- China
- Prior art keywords
- chalkboard eraser
- blackboard
- eraser body
- chalkboard
- transverse slat
- 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 provides a teaching is with chalkboard eraser that can inhale chalk dust automatically, includes the blackboard, the top of blackboard is equipped with the layer board, the length direction of layer board is equipped with the spout, it has the slider to inlay in the spout, be equipped with miniature dust catcher on the slider, the dust catcher is through dust absorption pipe and this body coupling of chalkboard eraser, the bottom of chalkboard eraser body is equipped with the cavity, be equipped with rotatable roller in the cavity, the one end of roller is equipped with driven pulley, driven pulley passes through belt and the epaxial initiative belt pulley connection of motor output, be equipped with the roller brush on the roller. The utility model discloses simple structure, convenient to use, can effectually prevent that the dust from inhaleing people's health in, protected people's physical and mental health, the cost is with low costs, the facilitate promotion is used.
Description
Technical field
The utility model relates to a kind ofly imparts knowledge to students with can the chalkboard eraser of sucking chalk powder automatically.
Background technology
Blackboard right and wrong educational aid usually, teacher by writing the content of courses to reach the object of education student on blackboard with chalk.The word that writes with chalk can cause a lot of chalk dust, uses blackboard eraser to have a lot of chalk dust when erasing the board and to wave contaminated environment and descending slowly and lightly on the body of teacher, student, the clothing and be exposed to outer hair, skin made dirty.Very large hidden danger is caused to the physical and mental health of people.
Summary of the invention
The purpose of this utility model is for above-mentioned deficiency, provides a kind of and imparts knowledge to students with can the chalkboard eraser of sucking chalk powder automatically.
Described object is achieved by the following scheme: a kind ofly impart knowledge to students with can the chalkboard eraser of sucking chalk powder automatically, comprise blackboard, the top of described blackboard is provided with supporting plate, the length direction of described supporting plate is provided with chute, slide block is inlaid with in described chute, described slide block is provided with micro-cleaner, described dust catcher is connected with chalkboard eraser body by sweep-up pipe, the bottom of described chalkboard eraser body is provided with cavity, rotating roll shaft is provided with in described cavity, one end of described roll shaft is provided with negative pulley wheel, described negative pulley wheel is connected with the drive pulley on motor output shaft by belt, described roll shaft is provided with roller hairbrush.The edge of described chalkboard eraser body is provided with blind hole, is provided with spring in described blind hole, and the termination of described spring is provided with lamp cylinder, and be provided with bulb in described lamp cylinder, the avris of described blind hole has cover plate by gemel connection.The avris of described blackboard is hinged with transverse slat and support arm by rotating shaft, and the upper surface of described transverse slat is provided with groove, and the bottom of described transverse slat is provided with draw-in groove, and the termination of described support arm is stuck in draw-in groove.
Described chalkboard eraser body is provided with motor switch.
Described chalkboard eraser body is provided with handle.
The utility model has the following advantages: the utility model structure is simple, easy to use, and can effectively prevent dust from sucking in the health of people, protect the physical and mental health of people, cost is low, easy to utilize.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the syndeton schematic diagram of chalkboard eraser body and roller hairbrush.
Wherein, 1-blackboard, 2-supporting plate, 3-chute, 4-slide block, 5-dust catcher, 6-sweep-up pipe, 7-chalkboard eraser body, 8-cavity, 9-roll shaft, 10-negative pulley wheel, 11-motor, 12-drive pulley, 13-roller hairbrush, 14-switch, 15-handle.16-spring, 17-lamp cylinder, 18-bulb, 19-cover plate.21-rotating shaft, 22-transverse slat, 23-support arm, 24-groove, 25-draw-in groove.
Detailed description of the invention
The utility model is elaborated preferred embodiment below in conjunction with accompanying drawing.
A kind ofly impart knowledge to students with can the chalkboard eraser of sucking chalk powder automatically, comprise blackboard 1, the top of described blackboard 1 is provided with supporting plate 2, the length direction of described supporting plate 2 is provided with chute 3, slide block 4 is inlaid with in described chute 3, described slide block 4 is provided with micro-cleaner 5, described dust catcher 5 is connected with chalkboard eraser body 7 by sweep-up pipe 6, the bottom of described chalkboard eraser body 7 is provided with cavity 8, rotating roll shaft 9 is provided with in described cavity 8, one end of described roll shaft 9 is provided with negative pulley wheel 10, described negative pulley wheel 10 is connected with the drive pulley 12 on motor 11 output shaft by belt, described roll shaft 9 is provided with roller hairbrush 13.The edge of described chalkboard eraser body 7 is provided with blind hole, is provided with spring 16 in described blind hole, and the termination of described spring 16 is provided with lamp cylinder 17, is provided with bulb 18 in described lamp cylinder 17, and the avris of described blind hole has cover plate 19 by gemel connection.The avris of described blackboard 1 is hinged with transverse slat 22 and support arm 23 by rotating shaft 21, and the upper surface of described transverse slat 22 is provided with groove 24, and the bottom of described transverse slat 22 is provided with draw-in groove 25, and the termination of described support arm 23 is stuck in draw-in groove 25.Described chalkboard eraser body 7 is provided with motor switch 14.Described chalkboard eraser body 7 is provided with handle 15.
Dust catcher 5 is connected with power line by switch 14 with motor 11, drive motors 11, drive pulley 12 drives negative pulley wheel 10 to rotate, and roll shaft 9 is with action roller hairbrush 13 to rotate simultaneously, wiped from blackboard by letter written with chalk, the powder produced is sucked in dust catcher 5 by sweep-up pipe 6.Sweep-up pipe 6 is telescopic flexible pipe, facilitates moving left and right of dust catcher 5 by chute 3 with coordinating of slide block 4, and when operating chalkboard eraser body 7, dust catcher 5 moves along with chalkboard eraser body 7.
Ejected by lamp cylinder 17 by spring 16, during chalkboard eraser body 7 pairs of blackboard-cleanings, the bulb 18 in lamp cylinder 17 throws light on, and after using, advance in blind hole by lamp cylinder 17, cover plate 19 can block the dust of chalk.
Rotating shaft 21 is two, one is connected with transverse slat 22, another is connected with support arm 23, by rotating shaft 21 by transverse slat 22 journey level, be stuck in draw-in groove 25 by support arm 23, support transverse slat 22, chalkboard eraser body 7 is placed in groove 24, by rotating shaft 21, transverse slat 22 and support arm 23 and blackboard are merged with rear, save the interior space.
Present embodiment does not just limit its protection domain to the exemplary illustrated of this patent; those skilled in the art can also carry out local to it and change; as long as no the Spirit Essence exceeding this patent, be all considered as the equivalent replacement to this patent, all at the protection domain of this patent.
Claims (3)
1. impart knowledge to students with can the chalkboard eraser of sucking chalk powder automatically for one kind, comprise blackboard (1), it is characterized in that: the top of described blackboard (1) is provided with supporting plate (2), the length direction of described supporting plate (2) is provided with chute (3), slide block (4) is inlaid with in described chute (3), described slide block (4) is provided with micro-cleaner (5), described dust catcher (5) is connected with chalkboard eraser body (7) by sweep-up pipe (6), the bottom of described chalkboard eraser body (7) is provided with cavity (8), rotating roll shaft (9) is provided with in described cavity (8), one end of described roll shaft (9) is provided with negative pulley wheel (10), described negative pulley wheel (10) is connected with the drive pulley (12) on motor (11) output shaft by belt, described roll shaft (9) is provided with roller hairbrush (13), the edge of described chalkboard eraser body (7) is provided with blind hole, spring (16) is provided with in described blind hole, the termination of described spring (16) is provided with lamp cylinder (17), bulb (18) is provided with in described lamp cylinder (17), the avris of described blind hole has cover plate (19) by gemel connection, the avris of described blackboard (1) is hinged with transverse slat (22) and support arm (23) by rotating shaft (21), the upper surface of described transverse slat (22) is provided with groove (24), the bottom of described transverse slat (22) is provided with draw-in groove (25), the termination of described support arm (23) is stuck in draw-in groove (25).
2. teaching according to claim 1 is with can the chalkboard eraser of sucking chalk powder automatically, it is characterized in that: described chalkboard eraser body (7) is provided with motor switch (14).
3. teaching according to claim 1 is with can the chalkboard eraser of sucking chalk powder automatically, it is characterized in that: described chalkboard eraser body (7) is provided with handle (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520437210.7U CN204870245U (en) | 2015-06-24 | 2015-06-24 | Teaching is with chalkboard eraser that can inhale chalk dust automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520437210.7U CN204870245U (en) | 2015-06-24 | 2015-06-24 | Teaching is with chalkboard eraser that can inhale chalk dust automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204870245U true CN204870245U (en) | 2015-12-16 |
Family
ID=54814664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520437210.7U Expired - Fee Related CN204870245U (en) | 2015-06-24 | 2015-06-24 | Teaching is with chalkboard eraser that can inhale chalk dust automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204870245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053915A (en) * | 2017-05-25 | 2017-08-18 | 东台市梁垛镇春林家具厂 | A kind of education blackboard cleaning device |
-
2015
- 2015-06-24 CN CN201520437210.7U patent/CN204870245U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053915A (en) * | 2017-05-25 | 2017-08-18 | 东台市梁垛镇春林家具厂 | A kind of education blackboard cleaning device |
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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: 20151216 Termination date: 20160624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |