CN103273769A - Circulation cloth self-erasing blackboard - Google Patents
Circulation cloth self-erasing blackboard Download PDFInfo
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- CN103273769A CN103273769A CN2013101470103A CN201310147010A CN103273769A CN 103273769 A CN103273769 A CN 103273769A CN 2013101470103 A CN2013101470103 A CN 2013101470103A CN 201310147010 A CN201310147010 A CN 201310147010A CN 103273769 A CN103273769 A CN 103273769A
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- blackboard
- cloth
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- hairbrush
- shaft
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Abstract
The invention discloses a circulation cloth self-erasing blackboard. The circulation cloth self-erasing blackboard comprises a lower frame, a left support, an upper frame, a right support and blackboard cloth. The lower frame, the left support, the upper frame and the right support are sequentially connected in a lap joint mode to form a frame-shaped object. A driven shaft is arranged at the upper portion of a position between the left support and the right support in a rotatable mode. A driving shaft is arranged at the lower portion of a position between the left support and the right support in a rotatable mode. The blackboard cloth is sleeved on the driving shaft and the driven shaft and can rotate along with the driving shaft. An inner plate is arranged between the inner sides of the blackboard cloth. A plurality of adjusting shafts are sequentially arranged between the left support and the right support from top to bottom. A hairbrush is coated on each adjusting shaft. The hairbrushes make contact with the reverse side of the blackboard cloth. Each adjusting shaft can adjust the distance between each hairbrush and the blackboard cloth. According to the scheme of the circulation cloth self-erasing blackboard, a user can conveniently write on the blackboard cloth, and meanwhile writing on the blackboard can be conveniently and automatically erased.
Description
Technical field
The present invention relates to a kind of improvement of imparting knowledge to students with blackboard, refer in particular to a kind of circulation cloth automatic erasing blackboard of writing and wiping be convenient to.
Background technology
Blackboard is commonly used to teaching, patent of invention ZL201020198592.X discloses a kind of blackboard for education, as accompanying drawing 1, shown in 2, comprise framework 1, bottom in framework 1 is provided with drive roll 2, be provided with driven voller 3 on top, be coated with rotating cloth curtain blackboard 4 in the outside of drive roll 2 and driven voller 3, the position that is positioned at cloth curtain blackboard 4 rear sides in framework 1 is provided with gripper shoe 6, be provided with some bundle hairbrush 7 in gripper shoe 6, the other end of described hairbrush 7 tightly is attached on the curtain blackboard 4, and powder box 8 is arranged on the below of hairbrush 7, wipes the chalk dust that gets off in order to admit hairbrush 7; During use, can impart knowledge to students at the leading flank of curtain blackboard 4 and write, when the font of this side is write full or teaching is write again, can turning handle 5, curtain blackboard 4 is rotated, blank space is revealed, continue to write, both made the write area of blackboard increase, can arbitrary writing and needn't be subjected to the restriction of write area, make the teacher all the time in the writing on the blackboard of the position of most convenient again, write easily, and avoided manually erasing the board, reduced labour intensity.Though wipe letter written with chalk on the blackboard when this blackboard for education can be implemented in conversion blackboard written, cloth curtain blackboard 4 does not have stable holder to support, cloth curtain blackboard 4 is yielding when writing font, causes and writes inconvenience.
Summary of the invention
The present invention seeks to provide in order to overcome the deficiencies in the prior art a kind of circulation cloth automatic erasing blackboard of writing and wiping be convenient to.
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, the right frame shape thing of overlap joint formation successively that supports; Top between the support of a described left side and right the support rotatably is provided with driven shaft; Bottom between the support of a described left side and right the support rotatably is provided with driving shaft; Described blackboard cloth is set on driving shaft and the driven shaft, and can rotate with driving shaft; Be provided with inner panel between the inboard of described blackboard cloth; Be disposed with many regulating shafts from top to bottom between the support of a described left side and right the support; Be enclosed with hairbrush on the every regulating shaft; Described hairbrush contacts with the back side of blackboard cloth; Described every regulating shaft all can be regulated the distance between hairbrush and the blackboard cloth.
Preferably, described circulation cloth automatic erasing blackboard also comprises turning handle, and described turning handle drives the driving shaft rotation 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; Described be arranged on a described left side support with right support between many regulating shafts in regulating shaft and groove be arranged on sustained height, this regulating shaft can be pressed in the groove when regulating this regulating shaft.
Preferably, the outer setting of described lower support has the plate of stretching out.
Preferably, the upper surface of described lower support is provided with powder box; Described powder box is positioned at the below that is arranged on hairbrush, the chalk dust that gets off in order to admit hairbrush to wipe.
Preferably, a described left side is supported with the right inboard of supporting and is provided with slot; The two ends of described outside plate are separately positioned in the slot, make the back of blackboard cloth form an airtight space.
Because the utilization of technique scheme, the present invention compared with prior art has following advantage:
The described circulation cloth of the present invention program automatic erasing blackboard can write at blackboard cloth easily, the inconvenience of writing that blackboard cloth causes because of elasticity can not occur; Can easily regulate the distance between hairbrush and the blackboard cloth, blackboard cloth is effectively contacted with hairbrush, Convenient scrubber is except the writing on the cloth blackboard; Can easily regulate the pulling force between driving shaft and the driven shaft, make blackboard cloth fitting with inner panel tightly, be convenient to write and wipe.
Description of drawings
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 cutaway 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 the 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, a left side is supported; 13, the right support; 14, upper frame; 15, turning handle; 16, blackboard cloth; 17, inner panel; 18, driving shaft; 19, driven shaft; 20, powder box; 21, plate; 22, regulating shaft; 23, hairbrush; 24, transmission component; 25, stretch out plate; 26, groove.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and the specific embodiments.
Accompanying drawing 3,4,5,6 is a kind of circulation cloth automatic erasing blackboard of the present invention, comprises underframe 11, left side support 12, upper frame 14, right support 13, blackboard cloth 16; Described underframe 11, left side support 12, upper frame 14, right support 13 overlap joint successively form a frame shape thing; Described left side support 12 and the right top of supporting between 13 rotatably are provided with driven shaft 19; Described left side support 12 and the right bottom of supporting between 13 rotatably are provided with driving shaft 18; Described blackboard cloth 16 is set on driving shaft 18 and the driven shaft 19, and can rotate with driving shaft 18; Be provided with inner panel 18 between the inboard of described blackboard cloth 16; Be disposed with 3 regulating shafts 22 from top to bottom between described left side support 12 and the right support 13; Be enclosed with hairbrush 23 on the every regulating shaft 22; Described hairbrush 23 contacts with the back side of blackboard cloth 16; The two ends of described every regulating shaft 22 are arranged in the strip hole (not shown) of left side support 12 and right support 13 respectively, the distance between hairbrush 23 and the blackboard cloth 16 namely can be regulated in the position at the two ends by regulating regulating shaft 22, so that bristle 23 can be wiped the letter written with chalk on the blackboard cloth 23; Described circulation cloth automatic erasing blackboard also comprises turning handle 15, and described turning handle 15 drives driving shaft 18 rotations by transmission component 24; Described turning handle 15 vertical blackboard cloth 16, the activity space of turning handle 15 is big like this, and is easy to use; The middle part of the rear side of described inner panel 18 is provided with groove 26; Regulating shaft 22 in the described many regulating shafts 22 that are arranged between the support of a described left side and right the support is arranged on sustained height with groove 26, this regulating shaft 22 can be pressed in the groove 26 when regulating this regulating shaft 22, thereby can regulate the rate of tension of blackboard cloth 16, wipe letter written with chalk to make things convenient for bristle 23; The outer setting of described lower support 11 has the plate of stretching out 25; The described plate 25 that stretches out can be used for placing chalk etc.; Described left side support 12 is provided with the slot (not shown) with the inboard of right support 13; The two ends of described outside plate 21 are separately positioned in the slot, make the back of blackboard cloth 16 form an airtight space, and when preventing that bristle 23 from wiping letter written with chalk, the 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 that is arranged on hairbrush 23, wipes the chalk dust that gets off in order to admit hairbrush 23; Described powder box 20 can take off from lower support 11, conveniently to outwell the chalk dust in the powder box 20.
During use, can impart knowledge to students at the leading flank of blackboard cloth 16 and write, when the font of this side is write full or teaching is write again, can turning handle 5, blackboard cloth 16 is rotated, blank space is revealed, continue to write, in Rotary Blackboard cloth 16, bristle 23 is at the letter written with chalk of the trailing flank of wiping blackboard cloth 16; When bristle 23 wipe weak effect the time, can be by adjusting 16 distance of regulating shaft 22 and blackboard cloth, the one, can increase the rate of tension of blackboard cloth 16, the 2nd, can regulate the distance between bristle 23 and the blackboard cloth 16, make and wipe effect and reach desired effects.
Because the utilization of technique scheme, the present invention compared with prior art has following advantage:
The described circulation cloth of the present invention program automatic erasing blackboard can write at blackboard cloth easily, the inconvenience of writing that blackboard cloth causes because of elasticity can not occur; Can easily regulate the distance between hairbrush and the blackboard cloth, blackboard cloth is effectively contacted with hairbrush, Convenient scrubber is except the writing on the cloth blackboard; Can easily regulate the pulling force between driving shaft and the driven shaft, make blackboard cloth fitting with inner panel tightly, be convenient to write and wipe.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; all equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (6)
1. a circulation cloth automatic erasing blackboard comprises underframe, left support, upper frame, right support, blackboard cloth; Described underframe, left support, upper frame, the right frame shape thing of overlap joint formation successively that supports; Top between the support of a described left side and right the support rotatably is provided with driven shaft; Bottom between the support of a described left side and right the support rotatably is provided with driving shaft; Described blackboard cloth is set on driving shaft and the driven shaft, and can rotate with driving shaft; It is characterized in that: be provided with inner panel between the inboard of described blackboard cloth; Be disposed with many regulating shafts from top to bottom between the support of a described left side and right the support; Be enclosed with hairbrush on the every regulating shaft; Described hairbrush contacts with the back side of blackboard cloth; Described every regulating shaft all can be regulated the distance between hairbrush and the blackboard cloth.
2. circulation cloth automatic erasing blackboard according to claim 1 is characterized in that: described circulation cloth automatic erasing blackboard, also comprise turning handle, and described turning handle drives the driving shaft rotation by transmission component; The vertical blackboard cloth of described turning handle.
3. circulation cloth automatic erasing blackboard according to claim 1, it is characterized in that: the middle part of the rear side of described inner panel is provided with groove; Described be arranged on a described left side support with right support between many regulating shafts in regulating shaft and groove be arranged on sustained height, this regulating shaft can be pressed in the groove when regulating this regulating shaft.
4. circulation cloth automatic erasing blackboard according to claim 1, it is characterized in that: the outer setting of described lower support has the plate of stretching out.
5. circulation cloth automatic erasing blackboard according to claim 1, it is characterized in that: the upper surface of described lower support is provided with powder box; Described powder box is positioned at the below that is arranged on hairbrush, the chalk dust that gets off in order to admit hairbrush to wipe.
6. circulation cloth automatic erasing blackboard according to claim 1 is characterized in that: a described left side is supported with the right inboard of supporting and is provided with slot; The two ends of described outside plate are separately positioned in the 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103273769A true CN103273769A (en) | 2013-09-04 |
| CN103273769B CN103273769B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310147010.3A Active CN103273769B (en) | 2013-04-25 | 2013-04-25 | A kind of circulation cloth automatic erasing blackboard |
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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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| Publication number | Publication date |
|---|---|
| CN103273769B (en) | 2015-10-28 |
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