CN210082761U - Blackboard wiping component used in ideological and political course teaching of colleges and universities - Google Patents
Blackboard wiping component used in ideological and political course teaching of colleges and universities Download PDFInfo
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- CN210082761U CN210082761U CN201822002397.4U CN201822002397U CN210082761U CN 210082761 U CN210082761 U CN 210082761U CN 201822002397 U CN201822002397 U CN 201822002397U CN 210082761 U CN210082761 U CN 210082761U
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- blackboard
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- bevel gear
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Abstract
Subassembly is cleaned to blackboard that uses in colleges and universities' ideology and politics course teaching. The amount of written books in ideological and political course teaching is very large, and a long time is consumed in the wiping process. The utility model discloses the constitution includes: the dust collection box comprises a box body (2), wherein sliding grooves (1) and rollers (17) are formed in two sides of the box body, a dust collection cavity (6) is formed in the middle of the box body, the interior of the dust collection cavity is connected with a group of parallel wiping devices (9) arranged in parallel through a fixing plate (18), a main bevel gear (12) is fixed on a main shaft (11) of each roller, the main bevel gear is meshed with an auxiliary bevel gear on a transmission shaft (19), a main belt pulley (10) on the transmission shaft is connected with an adjacent auxiliary belt pulley (7) on each wiping device through a belt (8), and the adjacent two wiping devices are driven through a belt. The utility model is used for subassembly is cleaned to blackboard that uses in colleges and universities' ideology and politics course teaching.
Description
The technical field is as follows:
the utility model relates to a teaching aid that uses in ideological and political course teaching, the subassembly is cleaned to blackboard that concretely relates to colleges and universities used in ideological and political course teaching.
Background art:
at present, the content of the statement is written on a blackboard usually when ideological and political theory teaching is carried out, the blackboard is required to be erased by using a blackboard eraser after characters are fully written on the blackboard, the writing amount in the ideological and political theory course teaching is very large, a long time can be consumed in the erasing process, and meanwhile, chalk dust can float in the air in the erasing process, so that the harm is caused to the body health of teachers and students.
The utility model has the following contents:
the utility model aims at providing a subassembly is cleaned to blackboard that uses in colleges and universities' ideology and politics course teaching.
The above purpose is realized by the following technical scheme:
a blackboard wiping component used in colleges and universities ideological and political course teaching comprises: the dust collection box comprises a box body, wherein sliding grooves and rollers are arranged on two sides of the box body, a dust collection cavity is arranged in the middle of the box body, the interior of the dust collection cavity is connected with a group of parallel wiping devices through a fixing plate, a main bevel gear is fixed on a main shaft of each roller, the main bevel gear is meshed with an auxiliary bevel gear on a transmission shaft, the main belt pulley on the transmission shaft is connected with an adjacent auxiliary belt pulley on the wiping device through a belt, and two adjacent wiping devices are in belt transmission.
The blackboard that uses in colleges and universities' ideology and politics course teaching clean the subassembly, wiping arrangement include with the fixed plate rotate the fixed axle of connecting, the fixed axle lower part be fixed with the bottom plate, the bottom plate on be fixed with the blackboard eraser.
The blackboard that uses in the teaching of colleges and universities' ideology and politics course clean the subassembly, dust collection chamber be the taper shape.
The blackboard that uses among colleges and universities' ideology and politics course teaching cleans the subassembly, the box body on be fixed with fan and go out a dirt section of thick bamboo, play dirt section of thick bamboo upper portion and dust collection section of thick bamboo threaded connection.
Has the advantages that:
1. the utility model discloses vertically install on the blackboard, when needs are cleaned the blackboard, thrust unit motion just can realize cleaning the disposable of whole blackboard, cleans the process effortlessly, saves time simultaneously.
The utility model discloses can prevent that chalk dust from floating aloft cleaning the in-process, can protect teacher and student's physical and mental health to the timely collection of chalk dust.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention;
in the figure: 1. a chute; 2. a box body; 3. a fan; 4. a dust outlet cylinder; 5. a dust collecting cylinder; 6. a dust collection chamber; 7. a secondary pulley; 8. a belt; 9. a wiping device; 10. a primary pulley; 11. a main shaft; 12. a main bevel gear; 14. a fixed shaft; 15. erasing the blackboard; 16. a base plate; 17. a roller; 18. a fixing plate; 19. a drive shaft.
The specific implementation mode is as follows:
example 1:
a blackboard wiping component used in colleges and universities ideological and political course teaching comprises: the blackboard eraser comprises a box body 2, wherein sliding grooves 1 and rollers 17 are arranged on two sides of the box body, the rollers are in contact with a blackboard, the rollers rotate and then drive a transmission shaft to rotate when the box body moves, a dust collecting cavity 6 is arranged in the middle of the box body, the dust collecting cavity is internally connected with a group of parallel and parallel wiping devices 9 through a fixing plate 18, a plurality of blackboard erasers are arranged in parallel from top to bottom, a fixing shaft of each wiping device is connected with the fixing plate through a bearing, a main bevel gear 12 is fixed on a main shaft 11 of each roller, the main bevel gear is meshed with an auxiliary bevel gear on a transmission shaft 19, a main belt pulley 10 on the transmission shaft is connected with an adjacent auxiliary belt pulley 7 on each wiping device through a belt 8, two adjacent wiping devices are in belt transmission, two auxiliary belt pulleys are sleeved on the fixing shaft on each wiping device and are in belt transmission between the two adjacent wiping devices and between the wiping devices and, the fixed connection is in the form of welding.
Example 2:
according to the blackboard erasing assembly used in the teaching of the ideological and political courses of colleges and universities in embodiment 1, the erasing device comprises a fixed shaft 14 which is rotatably connected with the fixed plate, a bottom plate 16 is fixed at the lower part of the fixed shaft, and an eraser 15 is fixed on the bottom plate.
Example 3:
according to the blackboard erasing member used in the teaching of ideological and political courses of colleges and universities described in embodiment 1 or 2, the dust collecting chamber is conical.
Example 4:
according to the blackboard erasing member used in the teaching of ideological and political courses of colleges and universities described in embodiment 1 or 2 or 3, a fan 3 and a dust outlet cylinder 4 are fixed on the box body, the upper part of the dust outlet cylinder is in threaded connection with a dust collecting cylinder 5, the dust collecting cylinder is L-shaped, after the device is arranged on a blackboard, the lower part of the dust collecting cylinder is in a vertical position, the side surface is provided with a filter screen which can ensure the normal circulation of air but can not pass through the dust collecting cylinder to collect the dust at the bottom of the dust collecting cylinder, when the blackboard is wiped, the fan is started, the roller drives the main bevel gear to rotate, the auxiliary bevel gear drives the transmission shaft to rotate, the transmission shaft drives the fixed shaft of the adjacent wiping device to rotate through the main belt pulley, the adjacent two wiping devices are driven by the belt, therefore, all the wiping devices work, after characters on the blackboard are wiped off, the fan drives chalk dust to enter the dust collection barrel through the dust collection barrel.
Claims (1)
1. A blackboard wiping component used in colleges and universities ideological and political course teaching comprises: the box body, the box body both sides be provided with spout and gyro wheel, characterized by: the middle part of the box body is provided with a dust collection cavity, the interior of the dust collection cavity is connected with a group of parallel wiping devices through a fixing plate, a main bevel gear is fixed on a main shaft of the roller, the main bevel gear is meshed with an auxiliary bevel gear on a transmission shaft, a main belt pulley on the transmission shaft is connected with an auxiliary belt pulley on the adjacent wiping device through a belt, and the adjacent two wiping devices are driven through the belt;
the wiping device comprises a fixed shaft which is rotationally connected with the fixed plate, a bottom plate is fixed at the lower part of the fixed shaft, and an eraser is fixed on the bottom plate and rotationally wiped;
the dust collecting cavity is conical;
the box body is fixed with a fan and a dust outlet cylinder, and the upper part of the dust outlet cylinder is in threaded connection with the dust collecting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822002397.4U CN210082761U (en) | 2018-11-30 | 2018-11-30 | Blackboard wiping component used in ideological and political course teaching of colleges and universities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822002397.4U CN210082761U (en) | 2018-11-30 | 2018-11-30 | Blackboard wiping component used in ideological and political course teaching of colleges and universities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210082761U true CN210082761U (en) | 2020-02-18 |
Family
ID=69469702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822002397.4U Active CN210082761U (en) | 2018-11-30 | 2018-11-30 | Blackboard wiping component used in ideological and political course teaching of colleges and universities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210082761U (en) |
-
2018
- 2018-11-30 CN CN201822002397.4U patent/CN210082761U/en active Active
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