CN212194859U - Blackboard wiping arrangement is used in teaching - Google Patents
Blackboard wiping arrangement is used in teaching Download PDFInfo
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- CN212194859U CN212194859U CN202020761978.0U CN202020761978U CN212194859U CN 212194859 U CN212194859 U CN 212194859U CN 202020761978 U CN202020761978 U CN 202020761978U CN 212194859 U CN212194859 U CN 212194859U
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- blackboard
- teaching
- threaded rod
- fixedly connected
- nut
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Abstract
The utility model discloses a blackboard wiping arrangement is used in teaching, the light-emitting diode comprises a wall body, the preceding left side swing joint of teaching blackboard has first threaded rod, the first stopper of top fixedly connected with of first threaded rod, the bottom swing joint of first stopper has first nut. This blackboard wiping arrangement is used in teaching is provided with first rocker and second rocker, when needs erase the word on the teaching blackboard, manual operation rotates the second rocker, thereby drive the motion of second nut through second rocker and second threaded rod, it can remove to remove the board through the second nut and control on the teaching blackboard and clean, rotate first rocker, thereby it reciprocates and cleans to drive first nut and clean the board on the teaching blackboard through first rocker and first threaded rod, just the word on the blackboard of erasing that can be quick, and can clean the different position on the teaching blackboard, when the user who makes cleans the teaching blackboard, it is more convenient and quick.
Description
Technical Field
The utility model relates to a wipe blackboard device technical field specifically is a blackboard wiping arrangement is used in teaching.
Background
Teaching is a human-specific talent training activity consisting of teacher's teaching and student's learning. Through the activities, teachers guide students to study, master cultural scientific knowledge and skills purposefully, plan and organically, and promote the improvement of students quality, so that the students become people required by the society, the blackboard is a plane capable of writing repeatedly, is hard in board surface, is mostly used for teaching, is made of wood boards or ground glass and the like, can be written on the blackboard by using specific writing materials such as chalks and the like, is mostly dark green, white or beige, is a small blackboard, is mainly used for various rule tools required to be written in family learning and competition, and is used for propaganda and the like by various units, and the small blackboard is one of the most common and flexible teaching tools in all visual teaching aids.
In schools, blackboards used by teachers are fixed on walls and are mainly wiped by holding the blackboard eraser manually by teachers or students, chalk dust easily falls onto people in the wiping process to stain clothes of the people, the chalk dust is sucked into the noses of the mouths of the people to affect the health of the people, the defect that the blackboard is unsanitary to clean is caused, in the class, teachers have to interrupt lectures for wiping the blackboard, the class efficiency is reduced, and the existing blackboards are high in position and difficult to wipe when some students with shorter schools wipe the blackboards.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a blackboard wiping arrangement is used in teaching to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a blackboard erasing device for teaching comprises a wall body, wherein a teaching blackboard is fixedly connected to the front of the wall body, a first threaded rod is movably connected to the left side of the front of the teaching blackboard, a first limiting block is fixedly connected to the top of the first threaded rod, a first nut is movably connected to the bottom of the first limiting block, a first moving block is fixedly connected to the outer surface of the first nut, a first mounting block is fixedly connected to the back of the first moving block, a first sliding groove is formed in the back of the first mounting block, a clamping groove is fixedly connected to the back of the bottom of the first sliding groove, an erasing plate is movably connected to the back of the clamping groove, a second moving block is fixedly connected to the bottom of the first moving block, a second nut is fixedly connected to the middle of the inside of the second moving block, a second threaded rod is connected to the inner thread of the second nut, and a first connecting block is movably connected to the, the blackboard comprises a teaching blackboard body and is characterized in that a first rocker is fixedly connected to the bottom of a first connecting block, a second limiting block is fixedly connected to the left end of a second threaded rod, a third limiting block is fixedly connected to the right end of the second threaded rod, a second connecting block is movably connected to the right side of the third limiting block, a second rocker is fixedly connected to the right side of the second connecting block, a second sliding groove is formed in the bottom of the teaching blackboard, and a dust collecting plate is movably connected to the front side of the second sliding groove.
Preferably, the bottom of the back surface of the first mounting block is provided with a clamping groove.
Preferably, the back surface of the outer surface of the second nut is movably connected with a first threaded rod.
Preferably, the bottom end of the first threaded rod is fixedly connected with a first connecting block.
Preferably, the right end of the second threaded rod is fixedly connected with a second connecting block.
Preferably, the back of the erasing plate is movably connected with a teaching blackboard.
Preferably, the back surface of the inner part of the second moving block is fixedly connected with a first threaded rod.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) this blackboard wiping arrangement is used in teaching is provided with first rocker and second rocker, when needs erase the word on the teaching blackboard, manual operation rotates the second rocker, thereby drive the motion of second nut through second rocker and second threaded rod, it can remove to remove the board through the second nut and control on the teaching blackboard and clean, rotate first rocker, thereby it reciprocates and cleans to drive first nut and clean the board on the teaching blackboard through first rocker and first threaded rod, just the word on the blackboard of erasing that can be quick, and can clean the different position on the teaching blackboard, when the user who makes cleans the teaching blackboard, it is more convenient and quick.
(2) This blackboard wiping arrangement is used in teaching is provided with collection grey board and wipes board, at the cleaning in-process, the chalk dust drops to collection grey board on, when the chalk dust is too much on the collection grey board, can take off collection grey board and wash, pile up the chalk dust when too much on wiping the board, the people can move first threaded rod forward, thereby it is rotatory to drive the second movable block through the second nut, move first threaded rod forward, later will wipe the board and upwards pull out through first spout and the draw-in groove of first installation piece inside, it takes off to wipe the board, clean wiping the board, can let the people more convenient take off wipe the board and clean, can sweep the chalk dust of piling up on collection grey board simultaneously.
Drawings
FIG. 1 is a schematic front view of the present invention;
fig. 2 is an internal structural view of the first moving block taken in fig. 1;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 4 is an internal structural view of the second moving block taken in fig. 1;
FIG. 5 is a schematic side view of the present invention;
fig. 6 is an enlarged schematic view of the structure at B in fig. 5.
In the figure: the blackboard eraser comprises a wall body 1, a teaching blackboard 2, a first threaded rod 3, a first limiting block 4, a first nut 5, a first moving block 6, a first mounting block 7, a first sliding groove 8, a clamping groove 9, a wiping plate 10, a second moving block 11, a second nut 12, a second threaded rod 13, a first connecting block 14, a first rocker 15, a second limiting block 16, a third limiting block 17, a second connecting block 18, a second rocker 19, a second sliding groove 20 and a dust collecting plate 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a blackboard wiping device for teaching comprises a wall body 1, a teaching blackboard 2 is fixedly connected to the front of the wall body 1, a dust collecting plate 21 is installed through a second chute 20 at the bottom of the teaching blackboard 2, a first threaded rod 3 is movably connected to the left side of the front of the teaching blackboard 2, a first connecting block 14 is fixedly connected to the bottom end of the first threaded rod 3, a first limiting block 4 is fixedly connected to the top of the first threaded rod 3, a first nut 5 is movably connected to the bottom of the first limiting block 4, a first moving block 6 is fixedly connected to the outer surface of the first nut 5, a first installing block 7 is fixedly connected to the back of the first moving block 6, a clamping groove 9 is formed at the bottom of the back of the first installing block 7, a first chute 8 is formed inside the back of the first installing block 7, a clamping groove 9 is fixedly connected to the back of the bottom of the first chute 8, and a wiping plate 10 is, the back of the wiping plate 10 is movably connected with a teaching blackboard 2, the bottom of the first moving block 6 is fixedly connected with a second moving block 11, the back of the inner part of the second moving block 11 is fixedly connected with a first threaded rod 3, the middle part of the inner part of the second moving block 11 is fixedly connected with a second nut 12, the back of the outer surface of the second nut 12 is movably connected with the first threaded rod 3, the inner thread of the second nut 12 is connected with a second threaded rod 13, the right end of the second threaded rod 13 is fixedly connected with a second connecting block 18, the bottom of the second moving block 11 is movably connected with a first connecting block 14, the bottom of the first connecting block 14 is fixedly connected with a first rocker 15, when characters on the teaching blackboard 2 need to be erased, the second rocker 19 is rotated by manual operation, the second rocker 19 and the second threaded rod 13 drive the movement of the second nut 12, the wiping plate 10 can be moved left and right on the teaching blackboard 2, the first rocker 15 is rotated to drive the first nut 5 and the wiping plate 10 to move up and down on the teaching blackboard 2 for wiping through the first rocker 15 and the first threaded rod 3, characters on the blackboard can be quickly wiped, different directions on the teaching blackboard 2 can be wiped, so that a user can wipe the teaching blackboard 2 more conveniently and quickly, the left end of the second threaded rod 13 is fixedly connected with the second limiting block 16, the right end of the second threaded rod 13 is fixedly connected with the third limiting block 17, the right side of the third limiting block 17 is movably connected with the second connecting block 18, the right side of the second connecting block 18 is fixedly connected with the second rocker 19, the bottom of the teaching blackboard 2 is provided with the second chute 20, the front of the second chute 20 is movably connected with the dust collecting plate 21, in the wiping process, chalk dust drops onto the dust collecting plate 21, when the chalk dust on the dust collecting plate 21 is excessive, the lower dust collecting plate 21 can be taken down for cleaning, when piling up the chalk dust too much on wiping board 10, the people can remove first threaded rod 3 forward, thereby it is rotatory to drive second movable block 11 through second nut 12, with first threaded rod 3 forward movement, later through first spout 8 and draw-in groove 9 of first installation piece 7 inside with wiping board 10 upwards pulling out, will wipe board 10 and take off, clean wiping board 10, can let the people more convenient take off wipe board 10 clean, can sweep away the chalk dust of piling up on album grey board 21 simultaneously.
The working principle is as follows: before the blackboard erasing device for teaching is used, firstly, a dust collecting plate 21 is installed through a second sliding groove 20 at the bottom of a teaching blackboard 2, a teacher can write on the teaching blackboard 2, when characters on the teaching blackboard 2 need to be erased, a second rocker 19 is rotated by manual operation, the second rocker 19 and a second threaded rod 13 drive the second nut 12 to move, the erasing plate 10 can be wiped on the teaching blackboard 2 in a left-right moving mode through the second nut 12, the first rocker 15 is rotated, the first nut 5 and the erasing plate 10 are driven to move up and down on the teaching blackboard 2 to erase through the first rocker 15 and the first threaded rod 3, after the erasing plate 10 is wiped, the first rocker 15 and the second rocker 19 are rotated by manual operation to work to drive the erasing plate 10 to reset, in the erasing process, chalk dust falls onto the dust collecting plate 21, when the chalk dust on the dust collecting plate 21 is excessive, can take off collection grey board 21 and wash, pile up the chalk dust when too much on wiping board 10, the people can be with first threaded rod 3 antedisplacement, thereby drive the rotation of second movable block 11 through second nut 12, with first threaded rod 3 antedisplacement, later will wipe board 10 and upwards pull out through first spout 8 and draw-in groove 9 of first installation piece 7 inside, will wipe board 10 and take off, clean board 10.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a blackboard wiping arrangement is used in teaching, includes wall body (1), its characterized in that: the teaching blackboard is characterized in that a teaching blackboard (2) is fixedly connected to the front of a wall body (1), a first threaded rod (3) is movably connected to the left side of the front of the teaching blackboard (2), a first limiting block (4) is fixedly connected to the top of the first threaded rod (3), a first nut (5) is movably connected to the bottom of the first limiting block (4), a first moving block (6) is fixedly connected to the outer surface of the first nut (5), a first mounting block (7) is fixedly connected to the back of the first moving block (6), a first sliding chute (8) is formed in the back of the first mounting block (7), a clamping groove (9) is fixedly connected to the back of the first sliding chute (8), a wiping plate (10) is movably connected to the back of the clamping groove (9), a second moving block (11) is fixedly connected to the bottom of the first moving block (6), and a second nut (12) is fixedly connected to the middle of the inside of the second moving, the blackboard comprises a teaching blackboard body (2) and is characterized in that a second threaded rod (13) is connected to the inner thread of a second nut (12), a first connecting block (14) is movably connected to the bottom of a second moving block (11), a first rocker (15) is fixedly connected to the bottom of the first connecting block (14), a second limiting block (16) is fixedly connected to the left end of the second threaded rod (13), a third limiting block (17) is fixedly connected to the right end of the second threaded rod (13), a second connecting block (18) is movably connected to the right side of the third limiting block (17), a second rocker (19) is fixedly connected to the right side of the second connecting block (18), a second sliding groove (20) is formed in the bottom of the teaching blackboard (2), and a dust collecting plate (21) is movably connected to the front side of the second sliding groove (20.
2. A blackboard erasing apparatus for teaching as claimed in claim 1, wherein: and a clamping groove (9) is formed in the bottom of the back surface of the first mounting block (7).
3. A blackboard erasing apparatus for teaching as claimed in claim 1, wherein: the back of the outer surface of the second nut (12) is movably connected with a first threaded rod (3).
4. A blackboard erasing apparatus for teaching as claimed in claim 1, wherein: the bottom end of the first threaded rod (3) is fixedly connected with a first connecting block (14).
5. A blackboard erasing apparatus for teaching as claimed in claim 1, wherein: the right end of the second threaded rod (13) is fixedly connected with a second connecting block (18).
6. A blackboard erasing apparatus for teaching as claimed in claim 1, wherein: the back of the wiping plate (10) is movably connected with a teaching blackboard (2).
7. A blackboard erasing apparatus for teaching as claimed in claim 1, wherein: the back of the inside of the second moving block (11) is fixedly connected with a first threaded rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020761978.0U CN212194859U (en) | 2020-05-09 | 2020-05-09 | Blackboard wiping arrangement is used in teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020761978.0U CN212194859U (en) | 2020-05-09 | 2020-05-09 | Blackboard wiping arrangement is used in teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212194859U true CN212194859U (en) | 2020-12-22 |
Family
ID=73813894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020761978.0U Expired - Fee Related CN212194859U (en) | 2020-05-09 | 2020-05-09 | Blackboard wiping arrangement is used in teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212194859U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263856A (en) * | 2021-06-23 | 2021-08-17 | 江苏六鑫科教仪器设备有限公司 | Cleaning device for be used for teaching blackboard |
| CN113696663A (en) * | 2021-09-22 | 2021-11-26 | 河北环境工程学院 | Automatic blackboard erasing device for ideological and political education teaching |
-
2020
- 2020-05-09 CN CN202020761978.0U patent/CN212194859U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263856A (en) * | 2021-06-23 | 2021-08-17 | 江苏六鑫科教仪器设备有限公司 | Cleaning device for be used for teaching blackboard |
| CN113696663A (en) * | 2021-09-22 | 2021-11-26 | 河北环境工程学院 | Automatic blackboard erasing device for ideological and political education teaching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 Termination date: 20210509 |