CN104175772A - Blackboard eraser mechanism used for pushing and pull lifting blackboard - Google Patents
Blackboard eraser mechanism used for pushing and pull lifting blackboard Download PDFInfo
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- CN104175772A CN104175772A CN201410398418.2A CN201410398418A CN104175772A CN 104175772 A CN104175772 A CN 104175772A CN 201410398418 A CN201410398418 A CN 201410398418A CN 104175772 A CN104175772 A CN 104175772A
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- blackboard
- pad
- framework
- crank
- zee
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Abstract
The invention provides a blackboard eraser mechanism used for pushing and pulling a lifting blackboard; through the translation of a blackboard body, the other to-be erased blackboard is erased; the blackboard eraser mechanism comprises a framework, Z-shaped cranks, an erase piece and an erase piece bracket, wherein the framework is connected with the blackboard body; the erase piece is mounted on the erase piece bracket; the same ends of the Z-shaped cranks are vertically inserted into shaft holes formed in the framework and connected with the framework in a rotating manner; the Z-shaped cranks rotate in the axial direction of the shaft holes; the other ends of the Z-shaped cranks are fixedly connected with the erase piece bracket; when the blackboard eraser mechanism is in a using state, the erase piece is clung to the surface of the to-be erased blackboard after rotation; when not in the using state, the erase piece is separated from the surface of the to-be erased blackboard after rotation. Through the adoption of the blackboard eraser mechanism, the erasing efficiency and speed are higher, the labor is saved and the blackboard eraser mechanism is easier to control.
Description
Technical field
The present invention relates to teaching aid technical field, relate in particular to a kind of blackboard eraser mechanism for push-and-pull blackboard movable up and down.
Background technology
At present, the large-scale blackboard eraser on market, or expensive, pad easily makes dirty, or efficiency of dust collection is low, speed is slow, has wasted many time of teachers and students; Or utilize electric energy to drive, and complex structure, volume is larger, to teachers and students, brings inconvenience, is difficult to apply at teaching field.
Push-and-pull blackboard movable up and down is very common in education activities, two blackboards parallel to each other have at least been comprised, a blackboard is positioned at the front side of another piece, and two blackboards are realized respectively lifting by push-and-pull, two blackboards are all parallel to vertical plane, in use, a blackboard can be drawn and be down to lower height and use, another piece raises to higher height and shelves.
In prior art, the wiping of blackboard being merely able to by manpower, control blackboard eraser carries out.
Summary of the invention
The technical problem to be solved in the present invention is in push-and-pull blackboard movable up and down, how to make the efficiency of wiping higher, speed is faster, more laborsaving, is easier to control.
In order to solve this technical problem, the invention provides a kind of blackboard eraser mechanism for push-and-pull blackboard movable up and down, translation by body blackboard is waited to erase the board to another piece and is carried out wiping, comprised framework, zee-crank, pad and pad support, described framework is connected with described body blackboard, described pad is installed on described pad support, one end of described zee-crank is rotatably connected with described framework by being vertically inserted in the axis hole of being located on described framework, described zee-crank is around the axial-rotation of described axis hole, the other end of described zee-crank is fixedly connected with described pad support, when the state of use, described pad through rotation be affixed on described in surface to be erased the board, when unused state, described pad is through surface to be erased the board described in rotation disengaging.
Described zee-crank has comprised connecting rod and frame end straight-bar and pad end straight-bar parallel to each other, between described frame end straight-bar and pad end straight-bar, by connecting rod, be connected, described frame end straight-bar is vertically inserted in the axis hole on described framework, by described frame end straight-bar around the axial rotation of this axis hole, described pad end straight-bar is around the axial realization revolution of this axis hole, and described pad end straight-bar is fixedly connected with described pad support.
The described blackboard eraser mechanism for push-and-pull blackboard movable up and down also comprises spring crank and notch, described notch is fixedly installed on described framework, described spring crank and a described zee-crank coaxial synchronous rotation, when the state of use, described spring crank is arranged in the groove of described notch.
The quantity of described zee-crank is three, and three described zee-cranks are uniformly distributed on framework.
The described blackboard eraser mechanism for push-and-pull blackboard movable up and down also comprises pad fixture, between described pad fixture and described pad support, by helicitic texture, is connected, and described pad is held between described pad fixture and described pad support.
The described blackboard eraser mechanism for push-and-pull blackboard movable up and down also comprises blackboard fixture and helicitic texture, between described blackboard fixture and framework, by described helicitic texture, is connected, and described body blackboard is held between described blackboard fixture and framework.
The present invention has introduced framework, zee-crank, pad and pad support, on the one hand, utilizes framework, pad support and zee-crank to be connected on body blackboard pad, utilizes the movement of body blackboard just can realize and treat the wiping erasing the board; On the other hand, utilize the introducing of zee-crank, can realize by its rotation the movement of pad, and then, when using state, described pad through rotation be affixed on described in surface to be erased the board, when unused state, described pad is through surface to be erased the board described in rotation disengaging.Make the efficiency of wiping higher, speed is faster, more laborsaving, be easier to control.
Accompanying drawing explanation
Fig. 1 is the structural representation of the blackboard eraser mechanism for push-and-pull blackboard movable up and down that provides of one embodiment of the invention;
Fig. 2 is the local enlarged diagram of A in Fig. 1;
Fig. 3 is the structural representation of one embodiment of the invention middle frame;
Fig. 4 is the side structure schematic diagram of the blackboard eraser mechanism for push-and-pull blackboard movable up and down that provides of one embodiment of the invention;
Fig. 5 is the local enlarged diagram of B in Fig. 4;
Fig. 6 is the local enlarged diagram of C in Fig. 4;
Fig. 7 be in one embodiment of the invention during unused state for the side structure schematic diagram of the blackboard eraser mechanism of push-and-pull blackboard movable up and down;
Fig. 8 is the local enlarged diagram of D in Fig. 7;
Fig. 9 is for the side structure schematic diagram of the blackboard eraser mechanism of push-and-pull blackboard movable up and down while using state in one embodiment of the invention;
Figure 10 is the local enlarged diagram of E in Fig. 9;
In figure, 1. framework, 2-Z type crank, 3-pad support, 4-steady pin, 5-spring crank, 7-pad fixture, 8-helicitic texture, 9-pad, 10-blackboard fixture, 11-body blackboard, 13-. helicitic texture; 13-draw-in groove, 14-axis hole, 15-installing hole, 16-pin-and-hole.
The specific embodiment
Below with reference to Fig. 1 to Figure 10, the blackboard eraser mechanism for push-and-pull blackboard movable up and down provided by the invention is described in detail, it is the present invention's one optional embodiment, can think, those skilled in the art can modify and polish it in the scope that does not change the present invention's spirit and content.
Please refer to Fig. 1 to Fig. 4, and in conjunction with other accompanying drawings, the present embodiment provides a kind of blackboard eraser mechanism for push-and-pull blackboard movable up and down, translation by body blackboard 11 is carried out wiping to another piece (not shown) to be erased the board, comprised framework 1, zee-crank 2, pad 9 and pad support 3, described framework 1 is connected with described body blackboard 11, described pad 9 is installed on described pad support 3, one end of described zee-crank 2 is rotatably connected with described framework 1 by being vertically inserted in the axis hole 14 of being located on described framework 1, described zee-crank 2 is around the axial-rotation of described axis hole 14, the other end of described zee-crank 2 is fixedly connected with described pad support 3, please refer to Fig. 7 and Fig. 8, when the state of use, described pad 9 through rotation be affixed on described in surface to be erased the board, please refer to Fig. 9 and Figure 10 when unused state, described pad 9 is through surface to be erased the board described in rotation disengaging.
The present embodiment has been introduced framework, zee-crank, pad and pad support, on the one hand, utilizes framework, pad support and zee-crank to be connected on body blackboard pad, utilizes the movement of body blackboard just can realize and treat the wiping erasing the board; On the other hand, utilize the introducing of zee-crank, can realize by its rotation the movement of pad, and then, when using state, described pad through rotation be affixed on described in surface to be erased the board, when unused state, described pad is through surface to be erased the board described in rotation disengaging.Make the efficiency of wiping higher, speed is faster, more laborsaving, be easier to control.
Described zee-crank 2 has comprised connecting rod and frame end straight-bar and pad end straight-bar parallel to each other, between described frame end straight-bar and pad end straight-bar, by connecting rod, be connected, described frame end straight-bar is vertically inserted in the axis hole 14 on described framework, by described frame end straight-bar around the axial rotation of this axis hole, described pad end straight-bar is around the axial realization revolution of this axis hole, and described pad end straight-bar is fixedly connected with described pad support 3.In the present embodiment, the quantity of described zee-crank 2 is three, and three described zee-cranks 2 are uniformly distributed on framework 1.
Further, between described frame end straight-bar, pad end straight-bar and connecting rod, can be integrated, two of two ends zee-cranks 2 in Fig. 1 for example, certainly it can not be also integrated, zee-crank 2 for example, in Fig. 1 in the middle of, its frame end straight-bar has been selected steady pin 4, mates the pin-and-hole 16 using be fixed on framework 1 with steady pin 4, pin-and-hole 16 also can be considered an axis hole 14, and steady pin 4 can be considered frame end straight-bar.And this special design is for spring crank 5 is installed better.
Please refer to Fig. 1 to 10, the described blackboard eraser mechanism for push-and-pull blackboard movable up and down also comprises spring crank 5 and notch 13, described notch 13 is fixedly installed on described framework 1, described spring crank 5 and described zee-crank 2 coaxial synchronous rotations, in the present embodiment, spring crank 5 is realized coaxial synchronous with middle zee-crank 2 by steady pin 4 and is rotated, owing to being synchronous rotary, when the state of use, described spring crank 5 is arranged in the groove of described notch 13, now, described pad 9 through rotation be affixed on described in surface to be erased the board, by elevating translational main body blackboard 11, just can realize and treat the wiping erasing the board.
Please refer to Fig. 6, the described blackboard eraser mechanism for push-and-pull blackboard movable up and down also comprises pad fixture 7, between described pad fixture 7 and described pad support 3, by helicitic texture 8, is connected, and described pad 9 is held between described pad fixture 7 and described pad support 3.
The blackboard eraser mechanism for push-and-pull blackboard movable up and down please refer to described in Fig. 5 also comprises blackboard fixture 10 and helicitic texture 12, between described blackboard fixture 10 and framework 1, by described helicitic texture 12, be connected, described body blackboard 11 is held between described blackboard fixture 10 and framework 1.
Framework 1 top can be connected with blackboard 11 by blackboard fixture 10, and bottom can be connected with blackboard eraser pad 9 by blackboard eraser fixture 7.Installing hole 15 on framework 1 coordinates and is used for being connected blackboard fixture 10 with helicitic texture 12, and helicitic texture 12 is used for being connected blackboard fixture 10 with installing hole 15 cooperations on framework 1, like this can be so that the present invention is used for the main body blackboard of various thickness; Helicitic texture 8 coordinates and is used for being connected pad fixture 7 with screw (not shown) on pad support 3, when pad 9 is used after certain number of times, can loose bolts 8, by pad 9 take off clean, change; When need wiping bottom when erasing the board, shake spring crank 5, the handle of spring crank 5 is fixed in the groove of notch 13, then the main body blackboard 11 that promotes top can be realized the wiping to be erased the board to bottom; When do not need wiping bottom when erasing the board or do not work, only need the handle of spring crank 5 is separated with the groove of notch 13.
In sum, the present invention possesses following advantage:
1, the present invention is simple in structure, does not need power supply and optional equipment, and quality is light, easy to use, simple in structure, is convenient to promote;
2, blackboard eraser can be changed and clean, and has so improved the also energy-conserving and environment-protective of effect of using.
3, the contact area of blackboard eraser pad of the present invention and blackboard is large, has improved the operating efficiency of blackboard eraser.
4, the ingenious blackboard quality of utilizing is larger, the fact that inertia is larger, thus realize blackboard laborsaving of the blackboard-cleaning bottom on top.
5, the zee-crank adopting can be around its connecting hole rotation, thereby realizes whether contacting, whether working of blackboard eraser pad and blackboard surface.
Claims (6)
1. the blackboard eraser mechanism for push-and-pull blackboard movable up and down, translation by body blackboard is waited to erase the board to another piece and is carried out wiping, it is characterized in that: comprised framework, zee-crank, pad and pad support, described framework is connected with described body blackboard, described pad is installed on described pad support, one end of described zee-crank is rotatably connected with described framework by being vertically inserted in the axis hole of being located on described framework, described zee-crank is around the axial-rotation of described axis hole, the other end of described zee-crank is fixedly connected with described pad support, when the state of use, described pad through rotation be affixed on described in surface to be erased the board, when unused state, described pad is through surface to be erased the board described in rotation disengaging.
2. the blackboard eraser mechanism for push-and-pull blackboard movable up and down as claimed in claim 1, it is characterized in that: described zee-crank has comprised connecting rod and frame end straight-bar and pad end straight-bar parallel to each other, between described frame end straight-bar and pad end straight-bar, by connecting rod, be connected, described frame end straight-bar is vertically inserted in the axis hole on described framework, by described frame end straight-bar around the axial rotation of this axis hole, described pad end straight-bar is around the axial realization revolution of this axis hole, and described pad end straight-bar is fixedly connected with described pad support.
3. the blackboard eraser mechanism for push-and-pull blackboard movable up and down as claimed in claim 1, it is characterized in that: also comprise spring crank and notch, described notch is fixedly installed on described framework, described spring crank and a described zee-crank coaxial synchronous rotation, when the state of use, described spring crank is arranged in the groove of described notch.
4. the blackboard eraser mechanism for push-and-pull blackboard movable up and down as claimed in claim 1, is characterized in that: the quantity of described zee-crank is three, and three described zee-cranks are uniformly distributed on framework.
5. the blackboard eraser mechanism for push-and-pull blackboard movable up and down as claimed in claim 1, it is characterized in that: also comprise pad fixture, between described pad fixture and described pad support, by helicitic texture, be connected, described pad is held between described pad fixture and described pad support.
6. the blackboard eraser mechanism for push-and-pull blackboard movable up and down as claimed in claim 1, it is characterized in that: also comprise blackboard fixture and helicitic texture, between described blackboard fixture and framework, by described helicitic texture, be connected, described body blackboard is held between described blackboard fixture and framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398418.2A CN104175772B (en) | 2014-08-13 | 2014-08-13 | For the blackboard eraser mechanism of push-and-pull blackboard movable up and down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398418.2A CN104175772B (en) | 2014-08-13 | 2014-08-13 | For the blackboard eraser mechanism of push-and-pull blackboard movable up and down |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104175772A true CN104175772A (en) | 2014-12-03 |
| CN104175772B CN104175772B (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410398418.2A Active CN104175772B (en) | 2014-08-13 | 2014-08-13 | For the blackboard eraser mechanism of push-and-pull blackboard movable up and down |
Country Status (1)
| Country | Link |
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| CN (1) | CN104175772B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2850945Y (en) * | 2005-11-17 | 2006-12-27 | 李长海 | Multi-functional electric blackboard |
| KR20080001850U (en) * | 2006-12-12 | 2008-06-17 | 한송이 | Auto blackboard eraser |
| JP2010005865A (en) * | 2008-06-25 | 2010-01-14 | Nichigaku Kk | Blackboard eraser and blackboard with automatic erasing capability |
| CN201456831U (en) * | 2009-06-18 | 2010-05-12 | 华军 | Blackboard eraser clutch |
| KR101018339B1 (en) * | 2008-08-29 | 2011-03-04 | 김민기 | Rotary type board having eraser |
| CN102774180A (en) * | 2012-05-04 | 2012-11-14 | 梁正 | Dustproof blackboard capable of automatically erasing blackboard writings |
| CN203580436U (en) * | 2013-10-14 | 2014-05-07 | 华南理工大学 | Double-drum type flexible multifunctional blackboard |
| CN103950320A (en) * | 2014-05-07 | 2014-07-30 | 常州工学院 | Rolling type white board |
| CN203752758U (en) * | 2014-04-04 | 2014-08-06 | 湖北民族学院 | Electric dust-free eraser |
-
2014
- 2014-08-13 CN CN201410398418.2A patent/CN104175772B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2850945Y (en) * | 2005-11-17 | 2006-12-27 | 李长海 | Multi-functional electric blackboard |
| KR20080001850U (en) * | 2006-12-12 | 2008-06-17 | 한송이 | Auto blackboard eraser |
| JP2010005865A (en) * | 2008-06-25 | 2010-01-14 | Nichigaku Kk | Blackboard eraser and blackboard with automatic erasing capability |
| KR101018339B1 (en) * | 2008-08-29 | 2011-03-04 | 김민기 | Rotary type board having eraser |
| CN201456831U (en) * | 2009-06-18 | 2010-05-12 | 华军 | Blackboard eraser clutch |
| CN102774180A (en) * | 2012-05-04 | 2012-11-14 | 梁正 | Dustproof blackboard capable of automatically erasing blackboard writings |
| CN203580436U (en) * | 2013-10-14 | 2014-05-07 | 华南理工大学 | Double-drum type flexible multifunctional blackboard |
| CN203752758U (en) * | 2014-04-04 | 2014-08-06 | 湖北民族学院 | Electric dust-free eraser |
| CN103950320A (en) * | 2014-05-07 | 2014-07-30 | 常州工学院 | Rolling type white board |
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| Publication number | Publication date |
|---|---|
| CN104175772B (en) | 2016-03-23 |
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Effective date of registration: 20230531 Address after: 226432 group 1, Yuechi village, Xindian Town, Rudong County, Nantong City, Jiangsu Province Patentee after: Nantong Hutong Chaomei Culture Technology Co.,Ltd. Address before: 200240 No. 690, Jiangchuan Road, Shanghai, Minhang District Patentee before: SHANGHAI DIANJI University |
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