CN204184080U - Positive warp blackboard - Google Patents
Positive warp blackboard Download PDFInfo
- Publication number
- CN204184080U CN204184080U CN201420260897.7U CN201420260897U CN204184080U CN 204184080 U CN204184080 U CN 204184080U CN 201420260897 U CN201420260897 U CN 201420260897U CN 204184080 U CN204184080 U CN 204184080U
- Authority
- CN
- China
- Prior art keywords
- gripper shoe
- spool
- blackboard
- flexible
- belt
- 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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Abstract
The utility model announces a kind of novel positive warp blackboard.It comprises motor, support and is vertically fixed on the driven spool be parallel to each other of support and active spool; Described from, initiatively spool the flexible-belt for writing on the blackboard is installed; The strainer for regulating from, the initiatively spacing of spool is provided with between described driven spool and support; Described flexible-belt one end is provided with auto-erasing device.The utility model can be arranged on the position of original blackboard, multimedia screen blocks does not affect overall using function, and the review of class tail is convenient in the content of courses that can store writing on the blackboard, possesses the function of auto-erasing writing on the blackboard content and collection chalk powder, guarantee health is clean, changes flexible-belt for convenience; Gripper shoe II is removably arranged in gripper shoe I, is provided with the convenience that strainer ensures later maintenance between driven spool and support.
Description
Technical field
The utility model relates to classroom instruction apparatus field, specifically a kind of novel positive warp blackboard.
Background technology
Adopt blackboard traditional instruction flexibly very convenient, be still Teaching Effectively mode, adopt multimedia teaching effectively can improve efficiency of teaching, but when utilizing blackboard and multimedia to impart knowledge to students simultaneously, multimedia screen often hides half blackboard, cause writing on the blackboard content very limited, limit the function of blackboard to a great extent, even if blocking of multimedia screen useless, the writing on the blackboard content of blackboard is also limited, is unfavorable for that class tail is reviewed; Meanwhile, during erasing writing on the blackboard content, chalk powder splashes, and affects environmental sanitation, and affects the healthy of teacher.
Summary of the invention
The purpose of this utility model is to provide one: writing on the blackboard is convenient, can store writing on the blackboard content, simple to operate, auto-erasing writing on the blackboard content, automatically collects the positive warp blackboard of chalk powder, environmentally-friendly sanitary.
The utility model is achieved through the following technical solutions: a kind of positive warp blackboard, comprises motor, support and is vertically fixed on the driven spool be parallel to each other of support and active spool; Described from, initiatively spool the flexible-belt for writing on the blackboard is installed; The strainer for regulating from, the initiatively spacing of spool is provided with between described driven spool and support; Described flexible-belt one end is provided with auto-erasing device;
Described support comprises gripper shoe I and is removably arranged on the gripper shoe II in gripper shoe I; Described gripper shoe I props up towards the lower surface of the flexible-belt of outside;
Described from, initiatively spool be arranged on gripper shoe II;
Described strainer totally two, is arranged symmetrically with, is connected between driven roller tube end and gripper shoe II; Strainer comprises the bearing be fixed in gripper shoe II, and described bearing is connected with the threaded rod vertical with driven spool, is be threaded between threaded rod with bearing, is provided with bearing block in one end of threaded rod, and driven spool is arranged on bearing block;
Described auto-erasing device comprises the rotating shaft being rotatably arranged on gripper shoe II end; Described rotating shaft terminal be respectively fixed with one with the gripper shoe III of rotational axis vertical; Between two described gripper shoes III, be provided with the driving shaft parallel with rotating shaft, driving shaft is connected with motor; Described driving shaft is fixed with flexible cylindrical brush, when gripper shoe III rotates counterclockwise around rotating shaft, the flexible-belt that cylindrical brush will compress on driven spool;
Be fixed with handle at the middle part of described rotating shaft, be fixed with handle stator in described handle side, described handle stator has the draw-in groove for fixed handle;
Between described gripper shoe III and gripper shoe II, be provided with spring, described spring is preset with a pulling force that gripper shoe III is rotated counterclockwise;
Be provided with outside described cylindrical brush hemicycle post barrel-shaped block shell, described in block shell two ends and be rotatably arranged in gripper shoe III, be provided with chalk powder disposable box blocking shell lower end; Described gripper shoe III is also provided with the scraping blade that can be pressed in cylindrical brush.
It is further: described active spool is arranged in gripper shoe II by split type bearing block.
Described bearing block bottom has a unthreaded hole, and one end that threaded rod is connected with bearing block is optical axis, and threaded rod optical axis one end is inserted in the unthreaded hole of bearing block.
Initiatively spool can positive and negative scrolling flexible-belt under the drive of motor, gripper shoe I is placed with under the flexible-belt of outside, be convenient to writing on the blackboard on the flexible band, the content of writing on the blackboard can be rolled onto the another side of blackboard, be convenient to store, the teaching being conducive to class tail is reviewed, even if there be blocking of multimedia screen, does not also affect the overall using function of blackboard.
Spring straining gripper shoe III, on the flexible-belt that cylindrical brush is pressed on driven spool, driven by motor cylindrical brush is moved along the direction of rotation contrary with flexible-belt, to wipe the writing on the blackboard content on flexible-belt, the chalk powder of erasing is wiped off the chalk powder disposable box falling into and arrange below by scraper plate, avoid chalk powder to fly out, ensure that health is clean.When not needing erasing writing on the blackboard content, moving handle, making, in its draw-in groove snapped on handle stator, cylindrical brush to be separated with flexible-belt.
The utility model can be arranged on the position of original blackboard, multimedia screen blocks does not affect overall using function, the review of class tail is convenient in the content of courses that can store writing on the blackboard, possesses the function of auto-erasing writing on the blackboard content and collection chalk powder, guarantee health is clean, structure is simple, and cost is low, easy to operate.
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model;
Fig. 2 is right-hand member partial structurtes schematic diagram in Fig. 1;
Fig. 3 is the structural representation of gripper shoe III and rotating shaft part.
In figure: 1, support; 11, gripper shoe I; 12, gripper shoe II; 2, driven spool; 3, active spool; 4, flexible-belt; 5, strainer; 51, bearing; 52, threaded rod; 53, bearing block; 6, auto-erasing device; 61, rotating shaft; 62, gripper shoe III; 63, driving shaft; 64, cylindrical brush; 65, handle; 66, spring; 67, shell is blocked; 68, chalk powder disposable box; 69, scraping blade; 7, handle stator; 71, draw-in groove; 8, split type bearing block.
Detailed description of the invention
Be below a specific embodiment of the present utility model, now by reference to the accompanying drawings the utility model be described further.
As shown in Figure 1, a kind of positive warp blackboard, comprise motor and support 1, the driven spool 2 that support 1 is vertically fixedly parallel to each other and active spool 3, the strainer 5 for regulating from, the initiatively spacing of spool 2,3 is provided with between driven spool 2 and support 1, from, initiatively spool 2,3 flexible-belt 4 for writing on the blackboard is installed, flexible-belt 4 one end is provided with auto-erasing device 6.
As shown in Figure 1 to Figure 3, support 1 comprises the gripper shoe I 11 being fixed on precalculated position and the gripper shoe II 12 be removably arranged in gripper shoe I 11, and gripper shoe I 11 props up the lower surface towards the flexible-belt 4 of outside, writes on flexible-belt 4 to facilitate;
From, initiatively spool 2,3 be arranged on gripper shoe II 12, initiatively spool 3 is arranged in gripper shoe II 12, with for convenience detach by split type bearing block 8; Strainer 5 is connected between driven spool 2 end and gripper shoe II 12, totally two, be arranged symmetrically with; Bearing 51 in strainer 5 is fixed in gripper shoe II 12, horizontally disposed threaded rod 52 is arranged on bearing 51 in the mode be threaded, one end of one end of threaded rod 52 is optical axis, bearing block 53 bottom has a unthreaded hole, threaded rod 52 optical axis one end is inserted in the unthreaded hole of bearing block 53, and driven spool 2 is arranged on bearing block 53.
Auto-erasing device 6 comprises the rotating shaft 61 being rotatably arranged on gripper shoe II 12 end, and handle 65 is vertically fixed on rotating shaft 61, is fixed with handle stator 7 in handle 65 side, handle stator 7 has the draw-in groove 71 for fixed handle 65; Respectively be fixed with a gripper shoe III 62 vertical with rotating shaft 61 at rotating shaft 61 two ends, spring 66 is connected between gripper shoe III 62 and gripper shoe II 12, and it is for giving gripper shoe III 62 1 pulling force be rotated counterclockwise; Between two gripper shoes III 62, the driving shaft 63 parallel with rotating shaft 61 is installed, driving shaft 63 is connected with motor, driving shaft 63 is fixed with the flexible cylindrical brush 64 for wiping writing on the blackboard content on flexible-belt 4, and gripper shoe III 62 strained by spring 66 makes cylindrical brush 64 compress flexible-belt 4 on driven spool 2; Be provided with outside cylindrical brush 64 hemicycle post barrel-shaped block shell 67, blocking shell 67 two ends is rotatably arranged in gripper shoe III 62, be provided with chalk powder disposable box 68 blocking shell 67 lower end, gripper shoe III 62 is also provided with the scraping blade 69 that can be pressed in cylindrical brush 64.
If use front blackboard to be clean, first handle 65 snaps in draw-in groove 71, makes cylindrical brush 64 leave flexible-belt 4, and then writing on the blackboard on flexible-belt 4, write completely when flexible-belt 4 previous section and start initiatively spool 3, writing on the blackboard content warp to below, store, to prepare lessons, tail is reviewed.If need to remove the writing on the blackboard content on flexible-belt 4, unclamp the handle 65 in draw-in groove 71, cylindrical brush 64 is pressed on the flexible-belt 4 on driven shaft 2 under the effect of spring 66, start driving shaft 63 and active spool 3 simultaneously, now the direction of rotation of cylindrical brush 64 is contrary with the scrolling direction of flexible-belt 4, cylindrical brush 64 is utilized to wipe the content of writing on the blackboard on flexible-belt 4, chalk powder in cylindrical brush 64 is cleaned out by the scraping blade 69 be simultaneously pressed in cylindrical brush 64, chalk powder falls into chalk powder disposable box 68 along blocking shell 67, avoid chalk powder to splash, ensure that health is clean.When the blackboard long-time not used time, rotating threaded rod 52, reduces the tensile force of flexible-belt 4, to extend the service life of flexible-belt 4.When flexible-belt 4 changed by needs, rotating threaded rod 52 unclamps the tensile force of flexible-belt 4, and removes bearing block 53, then split type bearing block 8 and gripper shoe II 12 is taken apart, turn down old flexible-belt 4, be loaded on new flexible-belt 4 and bearing block 53, tighten split type bearing block 8 and threaded rod 52.
Claims (3)
1. a positive warp blackboard, comprises motor, support (1) and is vertically fixed on the driven spool (2) be parallel to each other of support (1) and active spool (3); Described from, initiatively spool (2,3) flexible-belt (4) for writing on the blackboard is installed; The strainer (5) for regulating from, the initiatively spacing of spool (2,3) is provided with between described driven spool (2) and support (1); Described flexible-belt (4) one end is provided with auto-erasing device (6);
It is characterized in that:
Described support (1) comprises gripper shoe I (11) and is removably arranged on the gripper shoe II (12) in gripper shoe I (11); Described gripper shoe I (11) props up towards the lower surface of the flexible-belt of outside (4);
Described from, initiatively spool (2,3) be arranged on gripper shoe II (12);
Described strainer (5) totally two, is arranged symmetrically with, is connected between driven spool (2) end and gripper shoe II (12); Strainer (5) comprises the bearing (51) be fixed in gripper shoe II (12), described bearing (51) is connected with the threaded rod (52) vertical with driven spool (2), be threaded between threaded rod (52) with bearing (51), be provided with bearing block (53) in one end of threaded rod (52), driven spool (2) is arranged on bearing block (53);
Described auto-erasing device (6) comprises the rotating shaft (61) being rotatably arranged on gripper shoe II (12) end; A gripper shoe III (62) vertical with rotating shaft (61) is respectively fixed with at described rotating shaft (61) two ends; Between two described gripper shoes III (62), be provided with the driving shaft (63) parallel with rotating shaft (61), driving shaft (63) is connected with motor; Described driving shaft (63) is fixed with flexible cylindrical brush (64), and when gripper shoe III (62) rotates counterclockwise around rotating shaft (61), cylindrical brush (64) will compress the flexible-belt (4) on driven spool (2);
Be fixed with handle (65) at the middle part of described rotating shaft (61), be fixed with handle stator (7) in described handle (65) side, described handle stator (7) has the draw-in groove (71) for fixed handle (65);
Between described gripper shoe III (62) and gripper shoe II (12), be provided with spring (66), described spring (66) is preset with a pulling force that gripper shoe III (62) is rotated counterclockwise;
Be provided with outside described cylindrical brush (64) hemicycle post barrel-shaped block shell (67), described in block shell (67) two ends and be rotatably arranged in gripper shoe III (62), be provided with chalk powder disposable box (68) blocking shell (67) lower end; Described gripper shoe III (62) is also provided with the scraping blade (69) that can be pressed in cylindrical brush (64).
2. positive warp blackboard according to claim 1, is characterized in that: described active spool (3) is arranged in gripper shoe II (12) by split type bearing block (8).
3. positive warp blackboard according to claim 1, it is characterized in that: described bearing block (53) bottom has a unthreaded hole, one end that threaded rod (52) is connected with bearing block (53) is optical axis, and threaded rod (52) optical axis one end is inserted in the unthreaded hole of bearing block (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420260897.7U CN204184080U (en) | 2014-05-21 | 2014-05-21 | Positive warp blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420260897.7U CN204184080U (en) | 2014-05-21 | 2014-05-21 | Positive warp blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204184080U true CN204184080U (en) | 2015-03-04 |
Family
ID=52616109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420260897.7U Expired - Fee Related CN204184080U (en) | 2014-05-21 | 2014-05-21 | Positive warp blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204184080U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802571A (en) * | 2015-04-07 | 2015-07-29 | 河南科技大学 | Dust-free blackboard capable of realizing automatic wiping |
| CN106725107A (en) * | 2017-02-09 | 2017-05-31 | 上海未来伙伴机器人有限公司 | A kind of novel robot |
| CN107443970A (en) * | 2017-06-13 | 2017-12-08 | 佛山市朋城科技有限公司 | The supporting arrangement of calligraphy and painting exerciser with felt layers |
| CN109109517A (en) * | 2018-08-28 | 2019-01-01 | 吉林合纵信息技术有限公司 | A kind of office's intelligent whiteboard |
| CN112937168A (en) * | 2021-03-01 | 2021-06-11 | 李能琴 | Erasing-free blackboard for education and teaching |
-
2014
- 2014-05-21 CN CN201420260897.7U patent/CN204184080U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802571A (en) * | 2015-04-07 | 2015-07-29 | 河南科技大学 | Dust-free blackboard capable of realizing automatic wiping |
| CN104802571B (en) * | 2015-04-07 | 2016-08-03 | 河南科技大学 | A kind of dust-free blackboard that can realize automatic erasing |
| CN106725107A (en) * | 2017-02-09 | 2017-05-31 | 上海未来伙伴机器人有限公司 | A kind of novel robot |
| CN107443970A (en) * | 2017-06-13 | 2017-12-08 | 佛山市朋城科技有限公司 | The supporting arrangement of calligraphy and painting exerciser with felt layers |
| CN107443969A (en) * | 2017-06-13 | 2017-12-08 | 佛山市朋城科技有限公司 | For supporting arrangement of the calligraphy and painting exerciser with felt layers |
| CN109109517A (en) * | 2018-08-28 | 2019-01-01 | 吉林合纵信息技术有限公司 | A kind of office's intelligent whiteboard |
| CN112937168A (en) * | 2021-03-01 | 2021-06-11 | 李能琴 | Erasing-free blackboard for education and 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 |
Granted publication date: 20150304 Termination date: 20150521 |
|
| EXPY | Termination of patent right or utility model |