CN203920167U - Non-dust automatic-wiping is except teaching white board - Google Patents
Non-dust automatic-wiping is except teaching white board Download PDFInfo
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- CN203920167U CN203920167U CN201420225117.5U CN201420225117U CN203920167U CN 203920167 U CN203920167 U CN 203920167U CN 201420225117 U CN201420225117 U CN 201420225117U CN 203920167 U CN203920167 U CN 203920167U
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- bottom roll
- drum shaft
- roll axle
- rotary broom
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Abstract
Non-dust automatic-wiping is except teaching white board, comprise drum shaft group, bottom roll axle group, rotary broom group, annular blank, blank gripper shoe, the motor of external power supply, movement buttons, mounting base, described upper drum shaft group, bottom roll axle group, rotary broom group and blank gripper shoe are installed on mounting base, and upper drum shaft group, bottom roll axle group are respectively on the upper lower limb that is arranged on mounting base of level; The lower axis of rolling of bottom roll axle group and the first synchronous pulley of motor output shaft end are coupling, and motor accesses respectively movement buttons by forward and reverse rotary alignment control; Annular blank is enclosed within respectively on the upper drum shaft, bottom roll axle of upper and lower drum shaft group, and upper drum shaft group, bottom roll axle group and blank gripper shoe axis are parallel.The beneficial effects of the utility model are: write with erasing characters without dust from flying environment protection health; Realize writing auto-erasing, time saving and energy saving, save time in classroom; Simple and practical, with low cost, of many uses.
Description
Technical field
The utility model relates to a kind of teaching white board, and especially a kind of Non-dust automatic-wiping is except teaching white board.
Background technology
Blackboard is the main classroom instruction apparatus generally using from primary school to university at present.According to statistics, the whole nation is existing approximately has blackboard to add up to 455.75 ten thousand, does not also include the blackboard of enterprises and institutions interior.Existing blackboard is mostly still made of one piece or two of left and right parallel-moving type or for upper and lower translation formula, its written form adopts chalk-writing, with felt or other twice-laid blackboard eraser erasing out handwriting.
The problem that above-mentioned blackboard and written form thereof exist is as follows: write and dust from flying when erasing out handwriting (1), fills the air classroom, and serious harm is to teachers and students' health.The investigation of the World Health Organization, the dirt of stopping writing has four harm greatly to teachers and students; (2) pollute classroom environment, pollute books and other teaching aid; (3) wipe effort time-consuming, be all generally to arrange special messenger to erase the board by student after class.
And show in existing or existing proprietary material: the problems referred to above are not also solved completely.
For the foregoing reasons, design a kind of dustless and necessary property of blackboard that can auto-erasing.Not only reduce the chalk dust harm healthy to teachers and students, also can make classroom environment keep clean and tidy simultaneously, created a clean healthy teaching environment.
Summary of the invention
Write inconvenience for existing blackboard for education, wipe waste time and energy, the healthy problem of dust from flying harm teachers and students, the utility model proposes one and realize auto-erasing, non-dusting Non-dust automatic-wiping except teaching white board.
Non-dust automatic-wiping described in the utility model is except teaching white board, it is characterized in that: comprise drum shaft group, bottom roll axle group, rotary broom group, annular blank, blank gripper shoe, the motor of external power supply, movement buttons, mounting base, described upper drum shaft group, bottom roll axle group, rotary broom group and blank gripper shoe are installed on mounting base, and wherein said upper drum shaft group, bottom roll axle group are respectively on two edges up and down that are arranged on mounting base of level; The described lower axis of rolling of bottom roll axle group and the first synchronous pulley of the output shaft end of motor are coupling, and described motor accesses respectively the movement buttons for controlling annular blank scroll-up/down by forward and reverse rotary alignment control; Described annular blank is respectively on the outer upper drum shaft that is enclosed within upper and lower drum shaft group, bottom roll axle, and upper drum shaft group, bottom roll axle group and blank gripper shoe axis are parallel and ensure that the annular blank space of a whole page is smooth; Described rotary broom group comprises rolling brush and for the rolling brush bearing block of rolling brush is installed, the external cylindrical surface of rolling brush and the intimate of annular blank of described rotary broom group contact; Described rolling brush bearing block end is with the second synchronous pulley, and is connected by Timing Belt between the second described synchronous pulley and described the first synchronous pulley.
The upper drum shaft that described upper drum shaft group comprises drum shaft bearing block, rotates for the central axis around upper drum shaft bearing block, described upper drum shaft is the hollow shaft of two end supports at upper drum shaft bearing block.
The bottom roll axle that described bottom roll axle group comprises bottom roll bearing housing, rotates for the central axis around bottom roll bearing housing, described bottom roll axle is the hollow shaft of two end supports at bottom roll bearing housing, and the first synchronous pulley of the right-hand member shaft extension of described bottom roll axle and the output shaft end of motor is coupling.
Described rotary broom is hollow shaft, and the two end supports of described rotary broom is in a pair of rotary broom bearing block, and the axle head outside the right-hand member bearing block of described rotary broom connects the second synchronous pulley.
Described rotary broom is composite three layer structure, and the skin of described rotary broom is that blackboard eraser cotton, middle level are that sponge, internal layer are metal or engineering plastics pipe.
Described annular blank is enclosed within on the upper drum shaft and bottom roll axle that respectively level is installed, and the outside one side of described annular blank is as the space of a whole page of writing.
The length of described rotary broom is identical with described annular blank length.
Described annular blank is flexible ring band shape, with the less composite manufacture of radius of curvature, its base plate adopts synthetic leather or synthetic rubber material to make the banded part of an integral loop, the high density material that its outer surface coating milky not blotting of one deck and writing are easily wiped, as white acrylic material.
When use, on annular blank, write and adopt the soft pen of colored blank, write smoothly without dust.Rotary broom is exactly a kind of blackboard eraser of cylinder wound packages, and the length of rotary broom is identical with annular blank length.The installation of rotary broom makes the outer surface of rotary broom fully contact with annular blank outer surface.In the time of the rolling of driven by motor annular blank, drive rotary broom rotating Vortex, rotary broom just can wipe out the writing on the annular blank that enters contact zone, circles when annular blank rolls, and the writing on annular blank is all wiped totally.。
The beneficial effects of the utility model are:
(1) write with erasing characters without dust from flying environment protection health;
(2) substitute after the blackboard in existing classroom, can realize writing auto-erasing, time saving and energy saving, save time in classroom;
(4) this apparatus structure is simple and practical, with low cost, easy to operate, of many uses.
(5) this device context close friend, three without discharge, and classroom environment adaptability is good.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Further illustrate the utility model below in conjunction with accompanying drawing
With reference to accompanying drawing:
Non-dust automatic-wiping described in the utility model is except teaching white board, comprise drum shaft group 1, bottom roll axle group 2, rotary broom group 3, annular blank 4, blank gripper shoe 5, the motor 6 of external power supply, movement buttons 7, mounting base 8, described upper drum shaft group 1, bottom roll axle group 2, rotary broom group 3 and blank gripper shoe 5 are installed on mounting base 8, and wherein said upper drum shaft group 1, bottom roll axle group 2 are respectively on two edges up and down that are arranged on mounting base 8 of level; The lower axis of rolling 21 of described bottom roll axle group 2 is coupling with the first synchronous pulley 61 of the output shaft end of motor 6, and described motor 61 accesses respectively the movement buttons 7 for controlling annular blank 4 scroll-up/down by forward and reverse rotary alignment control; Described annular blank 4 is respectively on the outer upper drum shaft that is enclosed within upper and lower drum shaft group, bottom roll axle, and upper drum shaft group 1, bottom roll axle group 2 and blank gripper shoe 5 axis are parallel and ensure that annular blank 4 spaces of a whole page are smooth; Described rotary broom group 3 comprises rolling brush 31 and for the rolling brush bearing block 32 of rolling brush is installed, the external cylindrical surface of the rolling brush 31 of described rotary broom group contacts with the intimate of annular blank 4; Described rolling brush bearing block 32 ends are with the second synchronous pulley 33, and are connected by Timing Belt 9 between the second described synchronous pulley 33 and described the first synchronous pulley 61.
The upper drum shaft 12 that described upper drum shaft group 1 comprises drum shaft bearing block 11, rotates for the central axis around upper drum shaft bearing block, described upper drum shaft 12 is the hollow shaft of two end supports at upper drum shaft bearing block 11.
The bottom roll axle 21 that described bottom roll axle group 2 comprises bottom roll bearing housing 22, rotates for the central axis around bottom roll bearing housing, described bottom roll axle 21 is the hollow shaft of two end supports at bottom roll bearing housing 22, and the first synchronous pulley 61 of the right-hand member shaft extension of described bottom roll axle 21 and the output shaft end of motor 6 is coupling.
Described rotary broom 31 is hollow shaft, and the two end supports of described rotary broom 31 is in a pair of rotary broom bearing block 32, and the axle head outside the right-hand member bearing block of described rotary broom 31 connects the second synchronous pulley 33.
Described rotary broom 31 is composite three layer structure, and the skin of described rotary broom is that blackboard eraser cotton, middle level are that sponge, internal layer are metal or engineering plastics pipe.
Described annular blank 4 is enclosed within on the upper drum shaft 12 and bottom roll axle 21 that respectively level is installed, and the outside one side of described annular blank 4 is as the space of a whole page of writing.
The length of described rotary broom 31 is identical with described annular blank 4 length.
Described annular blank 4 is flexible ring band shape, with the less composite manufacture of radius of curvature, its base plate adopts synthetic leather or synthetic rubber material to make the banded part of an integral loop, the high density material that its outer surface coating milky not blotting of one deck and writing are easily wiped, as white acrylic material.
When use, on annular blank 4, write and adopt the soft pen of colored blank, write smoothly without dust.Rotary broom 31 is exactly a kind of blackboard eraser of cylinder wound packages, and the length of rotary broom 31 is identical with annular blank length.The installation of rotary broom 31 makes the outer surface of rotary broom 31 fully contact with annular blank 4 outer surfaces.In the time that motor 6 drives annular blank 4 rolling, drive rotary broom 31 rotating Vortexes, rotary broom 31 just can wipe out the writing on the annular blank 4 that enters contact zone, circles when annular blank 4 rolls, and the writing on annular blank 4 is all wiped totally.
Content described in this description embodiment is only enumerating of way of realization to utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also comprises that those skilled in the art conceive the equivalent technologies means that can expect according to the utility model.
Claims (7)
1. Non-dust automatic-wiping is except teaching white board, it is characterized in that: comprise drum shaft group, bottom roll axle group, rotary broom group, annular blank, blank gripper shoe, the motor of external power supply, movement buttons, mounting base, described upper drum shaft group, bottom roll axle group, rotary broom group and blank gripper shoe are installed on mounting base, and wherein said upper drum shaft group, bottom roll axle group are respectively on two edges up and down that are arranged on mounting base of level; The described lower axis of rolling of bottom roll axle group and the first synchronous pulley of the output shaft end of motor are coupling, and described motor accesses respectively the movement buttons for controlling annular blank scroll-up/down by forward and reverse rotary alignment control; Described annular blank is respectively on the outer upper drum shaft that is enclosed within upper and lower drum shaft group, bottom roll axle, and upper drum shaft group, bottom roll axle group and blank gripper shoe axis are parallel and ensure that the annular blank space of a whole page is smooth; Described rotary broom group comprises rolling brush and for the rolling brush bearing block of rolling brush is installed, the external cylindrical surface of rolling brush and the intimate of annular blank of described rotary broom group contact; Described rolling brush bearing block end is with the second synchronous pulley, and is connected by Timing Belt between the second described synchronous pulley and described the first synchronous pulley.
2. Non-dust automatic-wiping as claimed in claim 1 is except teaching white board, it is characterized in that: the upper drum shaft that described upper drum shaft group comprises drum shaft bearing block, rotates for the central axis around upper drum shaft bearing block, described upper drum shaft is the hollow shaft of two end supports at upper drum shaft bearing block.
3. Non-dust automatic-wiping as claimed in claim 1 is except teaching white board, it is characterized in that: the bottom roll axle that described bottom roll axle group comprises bottom roll bearing housing, rotates for the central axis around bottom roll bearing housing, described bottom roll axle is the hollow shaft of two end supports at bottom roll bearing housing, and the first synchronous pulley of the right-hand member shaft extension of described bottom roll axle and the output shaft end of motor is coupling.
4. Non-dust automatic-wiping as claimed in claim 1 is except teaching white board, it is characterized in that: described rotary broom is hollow shaft, the two end supports of described rotary broom is in a pair of rotary broom bearing block, and the axle head outside the right-hand member bearing block of described rotary broom connects the second synchronous pulley.
5. Non-dust automatic-wiping as claimed in claim 4, except teaching white board, is characterized in that: described rotary broom is composite three layer structure, and the skin of described rotary broom is that blackboard eraser cotton, middle level are that sponge, internal layer are metal or engineering plastics pipe.
6. Non-dust automatic-wiping as claimed in claim 5 except teaching white board, is characterized in that: described annular blank is enclosed within on the upper drum shaft and bottom roll axle that level is installed respectively, and the outside one side of described annular blank is as the space of a whole page of writing.
7. Non-dust automatic-wiping as claimed in claim 6, except teaching white board, is characterized in that: the length of described rotary broom is identical with described annular blank length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420225117.5U CN203920167U (en) | 2014-05-04 | 2014-05-04 | Non-dust automatic-wiping is except teaching white board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420225117.5U CN203920167U (en) | 2014-05-04 | 2014-05-04 | Non-dust automatic-wiping is except teaching white board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203920167U true CN203920167U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420225117.5U Expired - Fee Related CN203920167U (en) | 2014-05-04 | 2014-05-04 | Non-dust automatic-wiping is except teaching white board |
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| Country | Link |
|---|---|
| CN (1) | CN203920167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036004A (en) * | 2018-09-21 | 2018-12-18 | 安徽理工大学 | A kind of higher mathematics integral demonstration teaching aid and its control circuit |
-
2014
- 2014-05-04 CN CN201420225117.5U patent/CN203920167U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036004A (en) * | 2018-09-21 | 2018-12-18 | 安徽理工大学 | A kind of higher mathematics integral demonstration teaching aid and its control circuit |
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| 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: 20141105 Termination date: 20170504 |
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| CF01 | Termination of patent right due to non-payment of annual fee |