CN216783144U - Blackboard with screen-dividing and wiping-free functions for education and teaching - Google Patents
Blackboard with screen-dividing and wiping-free functions for education and teaching Download PDFInfo
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- CN216783144U CN216783144U CN202122951358.0U CN202122951358U CN216783144U CN 216783144 U CN216783144 U CN 216783144U CN 202122951358 U CN202122951358 U CN 202122951358U CN 216783144 U CN216783144 U CN 216783144U
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- blackboard
- sliding groove
- screen
- dividing
- erasing
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- 239000000428 dust Substances 0.000 claims abstract description 19
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model provides a blackboard with a screen-dividing and wiping-free function for education and teaching, which comprises a bottom plate, a front plate, a rear plate and a front plate, wherein the bottom plate is provided with a screen-dividing and wiping-free function; the sliding assembly is fixedly installed at the top and the bottom of the bottom plate respectively and comprises a frame, a first sliding groove and a second sliding groove are formed in the top of the inner side face of the frame respectively, the bottom of the inner side face of the frame is provided with the first sliding groove and the second sliding groove respectively, and a crossing groove is formed in one side of the first sliding groove. According to the blackboard with the screen-dividing and erasing-free functions for education and teaching, the positions of the two blackboards can be exchanged through the gears, only one blackboard needs to be moved during exchanging, the other blackboard can move in the opposite direction, the upper and lower positions of the two blackboards can be realized through the channel passing groove, the erasing of characters on the surfaces of the blackboards can be completed at one time through the erasing assembly, and the erased chalk dust can fall off in the device and cannot fall out and fly randomly.
Description
Technical Field
The utility model relates to the technical field of teaching tools, in particular to a blackboard with a screen-dividing and wiping-free function for education and teaching.
Background
In teaching work, the use of a blackboard is indispensable, and many teachers are used to record the content of lessons and important knowledge points on the blackboard, so that students can conveniently record and learn.
At present, blackboards used in class comprise glass blackboards, cement blackboards, wood blackboards, polymer blackboards and the like, but the blackboards all have the defect that the blackboards need to be manually cleaned, a large amount of chalk dust can be generated when the blackboards are manually cleaned, the chalk dust can fly around in a classroom, and the chalk dust is very easy to be sucked into the lung by teachers and students and has great damage to human bodies.
Therefore, it is necessary to provide a blackboard with a split-screen erasing-free function for educational teaching to solve the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a blackboard with a screen-dividing and erasing-free function for education and teaching, which solves the problems that manual erasing is needed and chalk dust flies everywhere.
In order to solve the above technical problems, the present invention provides a blackboard with a split screen and wiping-free function for educational teaching, comprising:
a base plate;
the sliding assembly is fixedly arranged at the top and the bottom of the bottom plate respectively and comprises a frame, a first sliding groove and a second sliding groove are formed in the top of the inner side surface of the frame respectively, a first sliding groove and a second sliding groove are formed in the bottom of the inner side surface of the frame respectively, a channel passing groove is formed in one side of the first sliding groove, and a second sliding groove is fixedly connected to one end of the channel passing groove;
the first blackboard assembly is connected to the inner side surface of the first sliding groove in a sliding mode and comprises a blackboard, sliding rods are fixedly installed on two sides of the blackboard and are connected to the inner side surface of the first sliding groove in a sliding mode, and toothed strips are fixedly installed at the top and the bottom of the outer side surface of the blackboard;
the second blackboard assembly is connected to the inner side surface of the second sliding groove in a sliding manner;
the gear is in threaded connection with the outer side face of the toothed strip.
Preferably, gear mounting holes are formed in the top and the bottom of the inner side face of the frame, and the inner side face of each gear mounting hole is rotatably connected with a gear.
Preferably, the back fixed mounting of blackboard has the subassembly of erasing, it includes the flexible seat of spring to erase the subassembly, the top fixed mounting blackboard of the flexible seat of spring, the bottom fixed mounting of the flexible seat of spring has the board of wiping.
Preferably, the top of the gear engages the first blackboard assembly and the bottom of the gear engages the second blackboard assembly.
Preferably, the bottom of the frame is provided with an ash leakage opening.
Preferably, the ash leakage opening is formed between the first sliding groove and the second sliding groove.
Preferably, the bottom fixed mounting of frame has the storage subassembly, the storage subassembly includes the recess board, the equal fixed mounting in both sides of the medial surface of recess board has the stopper, the top sliding connection of stopper has the ash collecting plate, the both sides fixed mounting of recess board has the fixed plate, the inside threaded connection of fixed plate has the set screw, the one end threaded connection of set screw in the bottom of frame.
Compared with the prior art, the blackboard with the screen-dividing and erasing-free functions for the education and teaching provided by the utility model has the following beneficial effects:
the utility model provides a blackboard with a screen-dividing and erasing-free function for education and teaching, wherein two blackboards can be exchanged through gears, only one blackboard needs to be moved during exchanging, the other blackboard can move in the opposite direction, the upper and lower positions of the two blackboards can be realized through a channel passing groove, the characters on the surfaces of the blackboards can be erased at one time through an erasing component, and the erased chalk dust can fall off in the device and cannot fall out and fly randomly.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of a blackboard with a screen-dividing and erasing-free function for educational teaching provided by the present invention;
FIG. 2 is a schematic structural view of a side portion of the structure shown in FIG. 1;
FIG. 3 is a schematic view of the bottom portion of FIG. 1;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic structural diagram of a second embodiment of a blackboard with a split-screen erasing-free function for educational teaching according to the present invention;
fig. 6 is a schematic structural diagram of the storage assembly shown in fig. 5.
Reference numbers in the figures: 1. the blackboard comprises a bottom plate, 2, a sliding assembly, 21, a frame, 22, a first sliding groove, 23, a passageway groove, 24, a dust leakage port, 25, a second sliding groove, 26, a gear mounting hole, 3, a first blackboard assembly, 31, a blackboard, 32, a sliding rod, 33, a toothed strip, 4, a second blackboard assembly, 5, an erasing assembly, 51, a spring telescopic seat, 52, an erasing plate, 6, a gear, 7, a storage assembly, 71, a groove plate, 72, a limiting block, 73, a dust receiving plate, 74, a fixing screw, 75 and a fixing plate.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
First embodiment
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a first embodiment of a blackboard with a split-screen erasing-free function for educational teaching according to the present invention; FIG. 2 is a schematic structural view of a side portion of the structure shown in FIG. 1; FIG. 3 is a schematic view of the bottom portion of FIG. 1; fig. 4 is an enlarged view of the portion a shown in fig. 3. A blackboard with a screen-dividing and wiping-free function for education and teaching, comprising: a base plate 1;
the sliding assembly 2 is fixedly installed at the top and the bottom of the bottom plate 1 respectively, the sliding assembly 2 comprises a frame 21, the top of the inner side surface of the frame 21 is provided with a first sliding groove 22 and a second sliding groove 25 respectively, the bottom of the inner side surface of the frame 21 is provided with a first sliding groove 22 and a second sliding groove 25 respectively, one side of the first sliding groove 22 is provided with a channel passing groove 23, and one end of the channel passing groove 23 is fixedly connected with the second sliding groove 25;
the crossing groove 25 connects the first sliding groove 22 and the second sliding groove 25, and the crossing groove 25 is semicircular to facilitate the sliding of the sliding bar 32 inside, and four crossing grooves 25 are connected to each other between the first sliding groove 22 and the second sliding groove 25.
The first blackboard assembly 3 is connected to the inner side surface of the first sliding groove 22 in a sliding manner, the first blackboard assembly 3 comprises a blackboard 31, sliding rods 32 are fixedly mounted on two sides of the blackboard 31, the sliding rods 32 are connected to the inner side surface of the first sliding groove 22 in a sliding manner, and toothed strips 33 are fixedly mounted at the top and the bottom of the outer side surface of the blackboard 31;
the second blackboard assembly 4 is connected with the inner side surface of the second sliding groove 25 in a sliding manner;
the second blackboard assembly 4 has the same structure as the first blackboard assembly 3.
And the gear 6 is in threaded connection with the outer side surface of the toothed strip 33.
The back fixed mounting of blackboard 31 has the subassembly 5 of erasing, it includes spring telescopic seat 51 to erase subassembly 5, the top fixed mounting blackboard 31 of spring telescopic seat 51, the bottom fixed mounting of spring telescopic seat 51 has wiping plate 52.
The top of the gear 6 is engaged with the first blackboard assembly 3, and the bottom of the gear 6 is engaged with the second blackboard assembly 4.
An ash leakage opening 24 is formed at the bottom of the frame 21.
The ash leakage port 24 is opened between the first sliding groove 22 and the second sliding groove 25.
The working principle of the blackboard with the screen-dividing and wiping-free functions for the teaching aid is as follows:
when in use, the first blackboard component 3 and the second blackboard component 4 slide on the inner side surfaces of the first sliding groove 22 and the second sliding groove 25 respectively, when the positions of the first blackboard assembly 3 and the second blackboard assembly 4 need to be exchanged, the first blackboard assembly 3 only needs to be moved to one side, because the meshing of the toothed bar 33 and the gear 6 can drive the second blackboard component 4 to move in the opposite direction, the positions of the first blackboard component 3 and the second blackboard component 4 are exchanged, and also the surface of the blackboard at the bottom is wiped, when the surface of the blackboard at the outer side needs to be wiped, the blackboard on the inner side surface is pushed upwards only by pressing the blackboard on the outer side surface towards the inner side surface, the gear 6 rotates at the moment, the blackboard on the inner side surface is pushed upwards, the position exchange is carried out, then, the two blackboards are translated, and the surface of the blackboard on the outer side can be wiped.
Compared with the prior art, the blackboard with the screen-dividing and erasing-free functions for the education and teaching provided by the utility model has the following beneficial effects:
can carry out the change of position with two blackboards through gear 6, only need remove a blackboard when the change, another blackboard will follow and remove to the opposite direction to can realize the upper and lower position of two blackboards through crossing a groove 23, can once accomplish through erasing subassembly 5 and erase the characters on blackboard surface, and the chalk dust of erasing can drop in the inside of device, can not pour out in a confused state of mind and fly.
Second embodiment
Referring to fig. 5 and 6 in combination, a blackboard with a split-screen erasing-free function for educational teaching according to a first embodiment of the present application is provided, and another blackboard with a split-screen erasing-free function for educational teaching according to a second embodiment of the present application is provided. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference that education and teaching had the blackboard of dividing the screen and exempting from to wipe the function that the second embodiment of this application provided lies in, an education and teaching has the blackboard of dividing the screen and exempting from to wipe the function, the bottom fixed mounting of frame 21 has storage component 7, storage component 7 includes recess board 71, the equal fixed mounting in both sides of recess board 71's medial surface has stopper 72, the top sliding connection of stopper 72 has connects grey board 73, the both sides fixed mounting of recess board 71 has fixed plate 75, the internal thread of fixed plate 75 is connected with set screw 74, the one end threaded connection of set screw 74 in the bottom of frame 21.
The working principle of the blackboard with the screen-dividing and wiping-free functions for the teaching aid is as follows:
when the chalk dust collector is used, the storage assembly 7 is fixedly arranged at the bottom of the dust leakage opening 24 through the fixing screws 74, when the chalk dust which is wiped off falls onto the dust receiving plate 73, and when the wiping is finished, the dust receiving plate is directly pulled out from the inner side surface of the groove plate 71, so that the chalk dust is treated.
Compared with the prior art, the blackboard with the screen-dividing and erasing-free functions for the education and teaching provided by the utility model has the following beneficial effects:
can store the chalk dust that drops inside through recess board 71 is whole, prevent that the chalk dust that drops is not good to be handled and flies in disorder everywhere, causes the pollution of classroom environment.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A blackboard with a screen-dividing and wiping-free function for education and teaching is characterized by comprising:
a base plate;
the sliding assembly is fixedly arranged at the top and the bottom of the bottom plate respectively and comprises a frame, a first sliding groove and a second sliding groove are formed in the top of the inner side surface of the frame respectively, a first sliding groove and a second sliding groove are formed in the bottom of the inner side surface of the frame respectively, a channel passing groove is formed in one side of the first sliding groove, and a second sliding groove is fixedly connected to one end of the channel passing groove;
the first blackboard assembly is connected to the inner side surface of the first sliding groove in a sliding manner and comprises a blackboard, sliding rods are fixedly mounted on two sides of the blackboard and are connected to the inner side surface of the first sliding groove in a sliding manner, and tooth-shaped strips are fixedly mounted at the top and the bottom of the outer side surface of the blackboard;
the second blackboard assembly is connected to the inner side surface of the second sliding groove in a sliding manner;
the gear is in threaded connection with the outer side face of the toothed strip.
2. The blackboard with the screen-dividing and wiping-free functions for education and teaching according to claim 1, wherein gear mounting holes are formed in the top and the bottom of the inner side of the frame, and gears are rotatably connected to the inner side of the gear mounting holes.
3. The blackboard with the screen-dividing and erasing-free functions for education and teaching according to claim 1, wherein the erasing component is fixedly mounted on the back of the blackboard and comprises a spring telescopic seat, the blackboard is fixedly mounted on the top of the spring telescopic seat, and the erasing plate is fixedly mounted on the bottom of the spring telescopic seat.
4. The blackboard with the screen-dividing and erasing-free functions for the educational teaching according to claim 1, wherein the top of the gear is engaged with the first blackboard assembly, and the bottom of the gear is engaged with the second blackboard assembly.
5. The blackboard with the screen-dividing and erasing-free functions for education and teaching as claimed in claim 1, wherein the bottom of the frame is provided with a dust-leaking hole.
6. The blackboard with the screen-dividing and erasing-free functions for the educational teaching according to claim 5, wherein the dust leakage port is opened between the first sliding groove and the second sliding groove.
7. The blackboard with the screen-dividing and wiping-free functions for education and teaching according to claim 1, wherein the bottom of the frame is fixedly provided with a storage assembly, the storage assembly comprises a groove plate, two sides of the inner side surface of the groove plate are fixedly provided with limit blocks, the top of the limit blocks is slidably connected with a dust collecting plate, two sides of the groove plate are fixedly provided with fixing plates, the inner threads of the fixing plates are connected with fixing screws, and one end of each fixing screw is in threaded connection with the bottom of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122951358.0U CN216783144U (en) | 2021-11-29 | 2021-11-29 | Blackboard with screen-dividing and wiping-free functions for education and teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122951358.0U CN216783144U (en) | 2021-11-29 | 2021-11-29 | Blackboard with screen-dividing and wiping-free functions for education and teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216783144U true CN216783144U (en) | 2022-06-21 |
Family
ID=82005389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122951358.0U Expired - Fee Related CN216783144U (en) | 2021-11-29 | 2021-11-29 | Blackboard with screen-dividing and wiping-free functions for education and teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216783144U (en) |
-
2021
- 2021-11-29 CN CN202122951358.0U patent/CN216783144U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220621 |