CN205044369U - Blackboard used for language teaching - Google Patents
Blackboard used for language teaching Download PDFInfo
- Publication number
- CN205044369U CN205044369U CN201520808380.1U CN201520808380U CN205044369U CN 205044369 U CN205044369 U CN 205044369U CN 201520808380 U CN201520808380 U CN 201520808380U CN 205044369 U CN205044369 U CN 205044369U
- Authority
- CN
- China
- Prior art keywords
- housing
- plate body
- guide rail
- blackboard
- casing
- 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
Links
Abstract
The utility model provides a blackboard used for language teaching, including, guide rail, first casing, powerful suction fan, dwang, plate body, driven gear, motor and second casing, the gear track is installed at the top of plate body, and the bottom of plate body installs the gear track, the guide rail sets up the upper and lower both ends at the plate body, install the second casing on the guide rail of the lower extreme of plate body, and install the motor in the second casing, install the driving gear on the motor, install first casing on the guide rail of the upper end of plate body, and install powerful suction fan in the first casing, install the blackboard eraser between first casing and the second casing. The utility model has the advantages of simple and reasonable structure, economical and practical, the board of can blacking automatically uses through the cooperation of powerful suction fan for in -process chalk dust at the board of blacking can not fall down, and the reduction chalk dust has also reduced the injury to the human body simultaneously to the pollution of air.
Description
Technical field
The utility model belongs to language teaching equipment technical field, is specifically related to a kind of blackboard for Chinese teaching.
Background technology
Blackboard is the requisite equipment of teaching, at present, market has various blackboard, but they are exactly one block of plate substantially, for language teaching, writing on the blackboard content is many, thus the content of a full blackboard will be write on blackboard, thus, add the amount of labour not only to the people of just blackboard, also cause a large amount of dusts to exist everywhere, cause certain injury to the health of people.The utility model provides a kind of blackboard for Chinese teaching, effectively can solve above-mentioned institute produced problem, reduces chalk dust to the injury of human body.
Summary of the invention
The purpose of this utility model is to provide a kind of blackboard for Chinese teaching, to solve the problem proposed in above-mentioned background technology.
To achieve these goals, the utility model realizes by the following technical solutions: a kind of blackboard for Chinese teaching, comprise, guide rail, first housing, powerful air-suction fan, dwang, plate body, driven gear, motor and the second housing, the top of described plate body is provided with gear track, and the bottom of plate body is provided with gear track, described guide rail is arranged on the two ends up and down of plate body, and the guide rail at the upper and lower two ends of plate body is fixedly connected with by connecting rod, described connecting rod is fixedly connected with by fixed bar with the termination, the left and right sides of plate body, the guide rail of the lower end of described plate body is provided with the second housing, and in the second housing, motor is installed, described motor is provided with driving gear, the guide rail of the upper end of described plate body is provided with the first housing, and in the first housing, powerful air-suction fan is installed, between described first housing and the second housing, blackboard eraser is installed, described powerful air-suction fan is connected by communicating pipe with the top of blackboard eraser, the upper end of described dwang is arranged in the first housing, and the lower end of dwang is arranged in the second housing, described driven gear is arranged on the two ends up and down of dwang respectively.
Preferably, described blackboard eraser is made up of body, senior flannelette and through hole, and described body is provided with senior flannelette, and senior flannelette and body all have through hole.
Preferably, described driving gear and driven gear are installed on gear track, and driven gear in driving gear and the second housing with the use of.
Preferably, described second housing is provided with power switch.
The beneficial effects of the utility model: this blackboard for Chinese teaching, simple and reasonable, economical and practical, can automatically erase the board, by powerful air-suction fan with the use of, chalk dust in the process erased the board can not be fallen, reduce chalk dust to the pollution of air, decrease the injury to human body simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of blackboard eraser of the present utility model;
Fig. 3 is the side structure schematic diagram of blackboard eraser of the present utility model.
In figure: 1, guide rail, 2, gear track, 3, fixed bar, 4, connecting rod, the 5, first housing, 6, powerful air-suction fan, 7, communicating pipe, 8, dwang, 9, blackboard eraser, 91, body, 92, senior flannelette, 93, through hole, 10, plate body, 11, driven gear, 12, driving gear, 13, motor, the 14, second housing, 15, power switch.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-3, the utility model provides a kind of blackboard for Chinese teaching technical scheme: a kind of blackboard for Chinese teaching, comprise guide rail 1, first housing 5, powerful air-suction fan 6, dwang 8, plate body 10, driven gear 11, motor 13 and the second housing 14, the top of plate body 10 is provided with gear track 2, and the bottom of plate body 10 is provided with gear track 2, guide rail 1 is arranged on the two ends up and down of plate body 10, and the guide rail 1 at plate body about 10 two ends is fixedly connected with by connecting rod 4, connecting rod 4 is fixedly connected with by fixed bar 3 with the termination, the left and right sides of plate body 10, the guide rail 1 of the lower end of plate body 10 is provided with the second housing 14, and in the second housing 14, motor 13 is installed, motor 13 is provided with driving gear 12, the guide rail 1 of the upper end of plate body 10 is provided with the first housing 5, and in the first housing 5, powerful air-suction fan 6 is installed, between first housing 5 and the second housing 14, blackboard eraser 9 is installed, blackboard eraser 9 is by body 91, senior flannelette 92 and through hole 93 form, body 91 is provided with senior flannelette 92, and senior flannelette 92 and body 91 all have through hole 93, powerful air-suction fan 6 is connected by communicating pipe 7 with the top of blackboard eraser 9, the upper end of dwang 8 is arranged in the first housing 5, and the lower end of dwang 8 is arranged in the second housing 14, driven gear 11 is arranged on the two ends up and down of dwang 8 respectively, driving gear 12 and driven gear 11 are installed on gear track 2, and driven gear 11 in driving gear 12 and the second housing 14 with the use of, second housing 14 is provided with power switch 15.
Operation principle: during use, driving gear 12 is driven to rotate by motor 13, driving gear 12 drives driven gear 11 to rotate, thus the driven gear 11 of dwang 8 lower end drives the driven gear 11 of dwang 8 upper end to rotate, driving gear 12 and driven gear 11 are moved on gear track 2, thus drive the first housing 5 and the second housing 14 to move on guide rail 1, blackboard eraser 9 is moved on plate body 10, wiping is carried out to the letter written with chalk on plate body 10, powerful air-suction fan 6 is by the interior outwards air draught of communicating pipe 7 pairs of bodys 91, chalk dust is inhaled in powerful air-suction fan 6 from the through hole 93 body 91.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (4)
1. a blackboard for Chinese teaching, comprise guide rail (1), first housing (5), powerful air-suction fan (6), dwang (8), plate body (10), driven gear (11), motor (13) and the second housing (14), it is characterized in that: the top of described plate body (10) is provided with gear track (2), and the bottom of plate body (10) is provided with gear track (2), described guide rail (1) is arranged on the two ends up and down of plate body (10), and the guide rail (1) at the upper and lower two ends of plate body (10) is fixedly connected with by connecting rod (4), described connecting rod (4) is fixedly connected with by fixed bar (3) with the termination, the left and right sides of plate body (10), the guide rail (1) of the lower end of described plate body (10) is provided with the second housing (14), and in the second housing (14), motor (13) is installed, described motor (13) is provided with driving gear (12), the guide rail (1) of the upper end of described plate body (10) is provided with the first housing (5), and in the first housing (5), powerful air-suction fan (6) is installed, between described first housing (5) and the second housing (14), blackboard eraser (9) is installed, described powerful air-suction fan (6) is passed through to be connected communicating pipe (7) with the top of blackboard eraser (9), the upper end of described dwang (8) is arranged in the first housing (5), and the lower end of dwang (8) is arranged in the second housing (14), described driven gear (11) is arranged on the two ends up and down of dwang (8) respectively.
2. a kind of blackboard for Chinese teaching according to claim 1, it is characterized in that: described blackboard eraser (9) is made up of body (91), senior flannelette (92) and through hole (93), described body (91) is provided with senior flannelette (92), and senior flannelette (92) and body (91) all have through hole (93).
3. a kind of blackboard for Chinese teaching according to claim 1, it is characterized in that: described driving gear (12) and driven gear (11) are installed on gear track (2), and driven gear (11) in driving gear (12) and the second housing (14) with the use of.
4. a kind of blackboard for Chinese teaching according to claim 1, is characterized in that: described second housing (14) is provided with power switch (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520808380.1U CN205044369U (en) | 2015-10-20 | 2015-10-20 | Blackboard used for language teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520808380.1U CN205044369U (en) | 2015-10-20 | 2015-10-20 | Blackboard used for language teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205044369U true CN205044369U (en) | 2016-02-24 |
Family
ID=55337978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520808380.1U Expired - Fee Related CN205044369U (en) | 2015-10-20 | 2015-10-20 | Blackboard used for language teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205044369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107839379A (en) * | 2017-10-12 | 2018-03-27 | 李建云 | The practical small blackboard of one kind teaching |
-
2015
- 2015-10-20 CN CN201520808380.1U patent/CN205044369U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107839379A (en) * | 2017-10-12 | 2018-03-27 | 李建云 | The practical small blackboard of one kind teaching |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20161020 |