CN103273769B - A kind of circulation cloth automatic erasing blackboard - Google Patents
A kind of circulation cloth automatic erasing blackboard Download PDFInfo
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- CN103273769B CN103273769B CN201310147010.3A CN201310147010A CN103273769B CN 103273769 B CN103273769 B CN 103273769B CN 201310147010 A CN201310147010 A CN 201310147010A CN 103273769 B CN103273769 B CN 103273769B
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- blackboard
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- hairbrush
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Abstract
The invention discloses a kind of circulation cloth automatic erasing blackboard, comprise underframe, left support, upper frame, right support, blackboard cloth; Described underframe, left support, upper frame, right support overlap formation frame-shaped thing successively; Top between described left support and right support is rotatably provided with driven shaft; Bottom between described left support and right support is rotatably provided with driving shaft; Described blackboard cloth is set on driving shaft and driven shaft, and can rotate with driving shaft; Inner panel is provided with between the inner side of described blackboard cloth; Many regulating shafts are disposed with from top to bottom between described left support and right support; Every root regulating shaft is enclosed with hairbrush; The rear-face contact of described hairbrush and blackboard cloth; Described every root regulating shaft all can regulate the distance between hairbrush and blackboard cloth; Circulation cloth automatic erasing blackboard described in the present invention program can write easily on blackboard cloth, facilitates the writing on auto-erasing cloth blackboard simultaneously.
Description
Technical field
The present invention relates to a kind of improvement of blackboard for teaching, refer in particular to a kind of circulation cloth automatic erasing blackboard being convenient to write and wipe.
Background technology
Blackboard is commonly used to teaching, patent of invention ZL201020198592.X discloses a kind of blackboard for education, as shown in accompanying drawing 1,2, comprise framework 1, bottom in framework 1 is provided with drive roll 2, driven voller 3 is provided with on top, rotating cloth curtain blackboard 4 is coated with in the outside of drive roll 2 and driven voller 3, the position be positioned in framework 1 on rear side of cloth curtain blackboard 4 is provided with gripper shoe 6, gripper shoe 6 is provided with some bundle hairbrush 7, the other end of described hairbrush 7 is tightly attached on curtain blackboard 4, and powder box 8 is arranged on the below of hairbrush 7, in order to the chalk dust receiving hairbrush 7 to wipe; During use, teaching writing can be carried out on the leading flank of curtain blackboard 4, when the font of this side write full or need again teaching writing time, can turning handle 5, curtain blackboard 4 is rotated, blank space is revealed, continue to write, both the write area of blackboard had been made to increase, can arbitrary writing and the restriction of write area need not be subject to, make again teacher all the time in the position writing on the blackboard of most convenient, write easily, and avoid and manually erase the board, decrease labour intensity.Although this blackboard for education can realize conversion blackboard written while letter written with chalk on erasing blackboard, cloth curtain blackboard 4 does not have stable holder to support, and when writing font, cloth curtain blackboard 4 is yielding, causes and writes inconvenience.
Summary of the invention
The present invention seeks to provide a kind of circulation cloth automatic erasing blackboard being convenient to write and wipe to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution used in the present invention is: a kind of circulation cloth automatic erasing blackboard, comprises underframe, left support, upper frame, right support, blackboard cloth; Described underframe, left support, upper frame, right support overlap formation frame-shaped thing successively; Top between described left support and right support is rotatably provided with driven shaft; Bottom between described left support and right support is rotatably provided with driving shaft; Described blackboard cloth is set on driving shaft and driven shaft, and can rotate with driving shaft; Inner panel is provided with between the inner side of described blackboard cloth; Many regulating shafts are disposed with from top to bottom between described left support and right support; Every root regulating shaft is enclosed with hairbrush; The rear-face contact of described hairbrush and blackboard cloth; Described every root regulating shaft all can regulate the distance between hairbrush and blackboard cloth.
Preferably, described circulation cloth automatic erasing blackboard, also comprises turning handle, and described turning handle drives driving shaft to rotate by transmission component; The vertical blackboard cloth of described turning handle.
Preferably, the middle part of the rear side of described inner panel is provided with groove; A regulating shaft in the described many regulating shafts be arranged between described left support and right support and groove are arranged on sustained height, regulate during this regulating shaft and this regulating shaft can be pressed in groove.
Preferably, the outer setting of described underframe has and stretches out plate.
Preferably, the upper surface of described underframe is provided with powder box; Described powder box is positioned at the below being arranged on hairbrush, the chalk dust wiped in order to receive hairbrush.
Preferably, the inner side of described left support and right support is provided with slot; The two ends of one outside plate are separately positioned in slot, make the back of blackboard cloth form an airtight space.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
Circulation cloth automatic erasing blackboard described in the present invention program can write easily on blackboard cloth, there will not be the inconvenience of writing that blackboard cloth causes because of elasticity; Can easily regulate the distance between hairbrush and blackboard cloth, blackboard cloth is effectively contacted with hairbrush, Convenient scrubber is except the writing on cloth blackboard; The pulling force between driving shaft and driven shaft can easily be regulated, make blackboard cloth fitting with inner panel tightly, be convenient to write and erasing.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the front view of a kind of blackboard for education of prior art;
Accompanying drawing 2 is the A-A sectional view of accompanying drawing 1;
Accompanying drawing 3 is the front view of circulation cloth automatic erasing blackboard of the present invention;
Accompanying drawing 4 is the B-B of accompanying drawing 3;
Accompanying drawing 5 is the C-C of accompanying drawing 3;
Accompanying drawing 6 is the D portion enlarged drawing in accompanying drawing 5;
Wherein: 1, framework; 2, drive roll; 3, driven voller; 4, cloth curtain blackboard; 5, turning handle; 6, gripper shoe; 7, hairbrush; 8, powder box; 11, underframe; 12, left support; 13, right support; 14, upper frame; 15, turning handle; 16, blackboard cloth; 17, inner panel; 18, driving shaft; 19, driven shaft; 20, powder box; 21, outside plate; 22, regulating shaft; 23, hairbrush; 24, transmission component; 25, plate is stretched out; 26, groove.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing 3,4,5,6 is a kind of circulation cloth automatic erasing blackboard of the present invention, comprises underframe 11, left support 12, upper frame 14, right support 13, blackboard cloth 16; Described underframe 11, left support 12, upper frame 14, right support 13 overlap formation frame-shaped thing successively; Top between described left support 12 and right support 13 is rotatably provided with driven shaft 19; Bottom between described left support 12 and right support 13 is rotatably provided with driving shaft 18; Described blackboard cloth 16 is set on driving shaft 18 and driven shaft 19, and can rotate with driving shaft 18; Inner panel 18 is provided with between the inner side of described blackboard cloth 16; 3 regulating shafts 22 are disposed with from top to bottom between described left support 12 and right support 13; Every root regulating shaft 22 is enclosed with hairbrush 23; The rear-face contact of described hairbrush 23 and blackboard cloth 16; The two ends of described every root regulating shaft 22 are arranged on left support 12 respectively with the strip hole (not shown) of right support 13, namely the distance between hairbrush 23 and blackboard cloth 16 can be regulated, to make the letter written with chalk on bristle 23 energy erasing blackboard cloth 23 by the position at the two ends regulating regulating shaft 22; Described circulation cloth automatic erasing blackboard, also comprises turning handle 15, and described turning handle 15 drives driving shaft 18 to rotate by transmission component 24; The vertical blackboard cloth 16 of described turning handle 15, the activity space of such turning handle 15 is large, easy to use; The middle part of the rear side of described inner panel 18 is provided with groove 26; A regulating shaft 22 in the described many regulating shafts 22 be arranged between described left support and right support is arranged on sustained height with groove 26, regulate and can this regulating shaft 22 is pressed in groove 26 during this regulating shaft 22, thus the rate of tension of blackboard cloth 16 can be regulated, to facilitate bristle 23 erasing chalk word; The outer setting of described underframe 11 has stretches out plate 25; The described plate 25 that stretches out can be used for placing chalk etc.; Described left support 12 is provided with slot (not shown) with the inner side of right support 13; The two ends of described outside plate 21 are separately positioned in slot, make the back of blackboard cloth 16 form an airtight space, and during to prevent bristle 23 erasing chalk word, chalk powder disorderly flies; The upper surface of described lower support 11 is provided with powder box 20; Described powder box 20 is positioned at the below being arranged on hairbrush 23, in order to the chalk dust receiving hairbrush 23 to wipe; Described powder box 20 can take off from lower support 11, to facilitate the chalk dust outwelled in powder box 20.
During use, teaching writing can be carried out on the leading flank of blackboard cloth 16, when the font of this side write full or need again teaching writing time, can turning handle 5, blackboard cloth 16 is rotated, blank space is revealed, continue to write, while Rotary Blackboard cloth 16, bristle 23 is at the letter written with chalk of the trailing flank of erasing blackboard cloth 16; When the erasing weak effect of bristle 23, can by adjustment regulating shaft 22 and blackboard cloth 16 between distance, one is the rate of tension that can increase blackboard cloth 16, and two is to regulate the distance between bristle 23 and blackboard cloth 16, makes erasing effect reach desired effects.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
Circulation cloth automatic erasing blackboard described in the present invention program can write easily on blackboard cloth, there will not be the inconvenience of writing that blackboard cloth causes because of elasticity; Can easily regulate the distance between hairbrush and blackboard cloth, blackboard cloth is effectively contacted with hairbrush, Convenient scrubber is except the writing on cloth blackboard; The pulling force between driving shaft and driven shaft can easily be regulated, make blackboard cloth fitting with inner panel tightly, be convenient to write and erasing.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. a circulation cloth automatic erasing blackboard, comprises underframe, left support, upper frame, right support, blackboard cloth; Described underframe, left support, upper frame, right support overlap formation frame-shaped thing successively; Top between described left support and right support is rotatably provided with driven shaft; Bottom between described left support and right support is rotatably provided with driving shaft; Described blackboard cloth is set on driving shaft and driven shaft, and can rotate with driving shaft; It is characterized in that: between the inner side of described blackboard cloth, be provided with inner panel; Many regulating shafts are disposed with from top to bottom between described left support and right support; Every root regulating shaft is enclosed with hairbrush; The rear-face contact of described hairbrush and blackboard cloth; Described every root regulating shaft all can regulate the distance between hairbrush and blackboard cloth; The middle part of the rear side of described inner panel is provided with groove; A regulating shaft in the described many regulating shafts be arranged between described left support and right support and groove are arranged on sustained height, regulate during this regulating shaft and this regulating shaft can be pressed in groove.
2. circulation cloth automatic erasing blackboard according to claim 1, is characterized in that: described circulation cloth automatic erasing blackboard, also comprises turning handle, and described turning handle drives driving shaft to rotate by transmission component; The vertical blackboard cloth of described turning handle.
3. circulation cloth automatic erasing blackboard according to claim 1, is characterized in that: the outer setting of described underframe has stretches out plate.
4. circulation cloth automatic erasing blackboard according to claim 1, is characterized in that: the upper surface of described underframe is provided with powder box; Described powder box is positioned at the below being arranged on hairbrush, the chalk dust wiped in order to receive hairbrush.
5. circulation cloth automatic erasing blackboard according to claim 1, is characterized in that: the inner side of described left support and right support is provided with slot; The two ends of one outside plate are separately positioned in slot, make the back of blackboard cloth form an airtight space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310147010.3A CN103273769B (en) | 2013-04-25 | 2013-04-25 | A kind of circulation cloth automatic erasing blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310147010.3A CN103273769B (en) | 2013-04-25 | 2013-04-25 | A kind of circulation cloth automatic erasing blackboard |
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| Publication Number | Publication Date |
|---|---|
| CN103273769A CN103273769A (en) | 2013-09-04 |
| CN103273769B true CN103273769B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310147010.3A Active CN103273769B (en) | 2013-04-25 | 2013-04-25 | A kind of circulation cloth automatic erasing blackboard |
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| CN (1) | CN103273769B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122738U (en) * | 1992-06-15 | 1992-11-25 | 叶锦兴 | Enclosed full-automatic erasing dustless blackboard |
| CN2230666Y (en) * | 1995-08-04 | 1996-07-10 | 马云贵 | Self cleaning and dust-collecting blackboard eraser |
| CN2349029Y (en) * | 1998-11-20 | 1999-11-17 | 柯荣贵 | Black (white) board structure with automatic rotation erasing |
| CN2422147Y (en) * | 2000-05-16 | 2001-03-07 | 林志权 | Erasing-free dustless blackboard |
| CN2719603Y (en) * | 2004-07-15 | 2005-08-24 | 徐江涛 | Circulating self-erasing dust-proof blackboard |
| CN2936781Y (en) * | 2006-08-16 | 2007-08-22 | 张秋雯 | Hand rotating automatic erasing dustless blackboard |
| CN200998964Y (en) * | 2007-01-23 | 2008-01-02 | 刘大仁 | Flexible blackboard |
| CN101585283A (en) * | 2009-06-18 | 2009-11-25 | 华东师范大学 | Electric erasing type dustfree soft blackboard |
| CN201394995Y (en) * | 2009-04-24 | 2010-02-03 | 张效嘉 | Automatic cleaning dust-free blackboard |
| CN201941395U (en) * | 2011-01-19 | 2011-08-24 | 福建农林大学 | Rolling type self-cleaning blackboard |
| CN202685672U (en) * | 2012-07-11 | 2013-01-23 | 长安大学 | Blackboard capable of being automatically erased |
| CN203267566U (en) * | 2013-04-25 | 2013-11-06 | 苏州市职业大学 | Circulating cloth self-erasing blackboard |
-
2013
- 2013-04-25 CN CN201310147010.3A patent/CN103273769B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122738U (en) * | 1992-06-15 | 1992-11-25 | 叶锦兴 | Enclosed full-automatic erasing dustless blackboard |
| CN2230666Y (en) * | 1995-08-04 | 1996-07-10 | 马云贵 | Self cleaning and dust-collecting blackboard eraser |
| CN2349029Y (en) * | 1998-11-20 | 1999-11-17 | 柯荣贵 | Black (white) board structure with automatic rotation erasing |
| CN2422147Y (en) * | 2000-05-16 | 2001-03-07 | 林志权 | Erasing-free dustless blackboard |
| CN2719603Y (en) * | 2004-07-15 | 2005-08-24 | 徐江涛 | Circulating self-erasing dust-proof blackboard |
| CN2936781Y (en) * | 2006-08-16 | 2007-08-22 | 张秋雯 | Hand rotating automatic erasing dustless blackboard |
| CN200998964Y (en) * | 2007-01-23 | 2008-01-02 | 刘大仁 | Flexible blackboard |
| CN201394995Y (en) * | 2009-04-24 | 2010-02-03 | 张效嘉 | Automatic cleaning dust-free blackboard |
| CN101585283A (en) * | 2009-06-18 | 2009-11-25 | 华东师范大学 | Electric erasing type dustfree soft blackboard |
| CN201941395U (en) * | 2011-01-19 | 2011-08-24 | 福建农林大学 | Rolling type self-cleaning blackboard |
| CN202685672U (en) * | 2012-07-11 | 2013-01-23 | 长安大学 | Blackboard capable of being automatically erased |
| CN203267566U (en) * | 2013-04-25 | 2013-11-06 | 苏州市职业大学 | Circulating cloth self-erasing blackboard |
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| CN103273769A (en) | 2013-09-04 |
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