CN214355172U - Blackboard is used in english teaching of movable - Google Patents
Blackboard is used in english teaching of movable Download PDFInfo
- Publication number
- CN214355172U CN214355172U CN202120148164.4U CN202120148164U CN214355172U CN 214355172 U CN214355172 U CN 214355172U CN 202120148164 U CN202120148164 U CN 202120148164U CN 214355172 U CN214355172 U CN 214355172U
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- China
- Prior art keywords
- fixedly connected
- bevel gear
- frame
- threaded
- blackboard
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- Expired - Fee Related
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- 239000000428 dust Substances 0.000 claims description 44
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000003028 elevating effect Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
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Abstract
The utility model discloses a movable blackboard for English teaching, which comprises a connecting frame, wherein the inside of the connecting frame is fixedly connected with a blackboard, the utility model discloses a blackboard, including connecting frame, elevating system, first bevel gear, second bevel gear, connecting axle, connecting post, connecting frame, connecting axle and first threaded rod, elevating system includes connecting plate, screw block, rotating electrical machines and first threaded rod, and fixed surface is connected with fixed frame under the rotating electrical machines, and the surface rotates under the fixed frame bottom and is connected with the connecting axle, and fixed surface is connected with second bevel gear under the connecting axle, and the meshing of second bevel gear one side has first bevel gear, first bevel gear one side and pivot one end fixed connection, and fixed surface is connected with the second threaded rod under the second bevel gear, second threaded rod and screw thread post threaded connection, and fixed surface is connected with the universal wheel under the screw thread post, the utility model discloses novel structure can highly adjust the blackboard, conveniently removes the blackboard, and the practicality is stronger.
Description
Technical Field
The utility model relates to an english teaching technical field specifically is a blackboard is used in english teaching of movable.
Background
The blackboard needs to be used in the english teaching, and current blackboard for english teaching can't remove, removes and inconvenient, greatly increased mr's working strength, consequently, needs a movable blackboard for english teaching urgently to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a blackboard is used in english teaching of movable to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a blackboard is used in english teaching of movable, includes the link, the inside fixedly connected with blackboard of link, link below bilateral symmetry is equipped with elevating system, elevating system includes connecting plate, screw block, rotating electrical machines and first threaded rod, the rotating electrical machines below is equipped with moving mechanism, moving mechanism includes fixed frame, pivot, handle, first bevel gear, connecting axle, second bevel gear, second threaded rod, screw post, universal wheel, spout and slider.
As a further aspect of the present invention: the output end of the rotating motor is fixedly connected with a first threaded rod, the first threaded rod penetrates through the thread block and is in threaded connection with the thread block, the two sides of the thread block are symmetrically and fixedly connected with connecting plates, and the upper surfaces of the connecting plates are fixedly connected with the lower surface of the bottom of the connecting frame.
As a further aspect of the present invention: the lower surface of the rotating motor is fixedly connected with a fixed frame, a cavity is arranged in the fixed frame, the lower surface of the bottom of the fixed frame is rotatably connected with a connecting shaft, a second bevel gear is fixedly connected to the lower surface of the connecting shaft, a first bevel gear is engaged at one side of the second bevel gear, one side of the first bevel gear, which is far away from the connecting shaft, is fixedly connected with one end of a rotating shaft, the rotating shaft penetrates through one side of the fixed frame and is rotationally connected with the fixed frame, the other end of the rotating shaft is fixedly connected with a handle, the lower surface of the second bevel gear is fixedly connected with a second threaded rod, the second threaded rod is arranged in the threaded column and is in threaded connection with the threaded column, the lower surface of the threaded column is fixedly connected with a universal wheel, sliding grooves are symmetrically arranged at the left side and the right side inside the fixing frame, sliding blocks are connected inside the sliding grooves in a sliding manner, the sliding block is fixedly connected with the outer walls of two sides of the threaded column, and the lower surface of the fixing frame is fixedly connected with a first anti-slip pad.
As a further aspect of the present invention: the outer wall of two sides of the fixing frame is symmetrically hinged with electric telescopic rods, the output ends of the electric telescopic rods are hinged with the upper surface of the supporting plate, one side of the supporting plate is hinged with the outer wall of the fixing frame, and the lower surface of the supporting plate is fixedly connected with a second non-slip mat.
As a further aspect of the present invention: the inside dust absorption chamber that is equipped with of link, a plurality of dust absorption mouths of fixedly connected with on the link, dust absorption mouth and the inside intercommunication in dust absorption chamber, link one side outer wall fixedly connected with dust catcher, dust catcher output and dust absorption pipe one end fixed connection, the dust absorption pipe other end and the inside intercommunication in dust absorption chamber.
As a further aspect of the present invention: the frame is stored to link both sides outer wall symmetry fixedly connected with, store the inside sliding connection of frame and have a plurality of cabinets of storing.
Compared with the prior art, the beneficial effects of the utility model are that:
after the device is moved to a designated position by using the universal wheel, the handle is held to rotate the rotating shaft, the rotating shaft drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the second threaded rod to rotate, under the matching of the sliding groove and the sliding block, the threaded column is enabled to move upwards, so that the universal wheel is recovered into the fixed frame, the fixed frame supports the device, the rotating motor is started to drive the first threaded rod to rotate, the first threaded rod drives the threaded block to move, the first threaded block drives the connecting plate to move, so that the height of the blackboard is adjusted, the practicability is stronger, the electric telescopic rod is started to drive the supporting plate to move, so that the supporting plate is abutted against the ground, the contact area between the device and the ground is increased, the stability of the device is further improved, a teacher writes teaching on the blackboard, the dust collector is started to be matched with the dust collection pipe, the dust collection nozzle and the dust collection cavity, the dust is sucked away, so that the teacher is prevented from sucking the dust, and the health of the body is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
In the figure: 1-connecting frame, 2-dust suction cavity, 3-dust suction nozzle, 4-dust suction pipe, 5-dust collector, 6-blackboard, 7-connecting plate, 8-thread block, 9-rotating motor, 10-first threaded rod, 11-fixing frame, 12-rotating shaft, 13-handle, 14-first bevel gear, 15-connecting shaft, 16-second bevel gear, 17-second threaded rod, 18-threaded column, 19-universal wheel, 20-first anti-skid pad, 21-sliding groove, 22-sliding block, 23-electric telescopic rod, 24-supporting plate, 25-second anti-skid pad, 26-storage frame and 27-storage cabinet.
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.
Example 1
Referring to fig. 1, in an embodiment of the present invention, a movable blackboard for english teaching includes a connecting frame 1, a blackboard 6 is fixedly connected inside the connecting frame 1, lifting mechanisms are symmetrically arranged below the connecting frame 1 in a left-right manner, each lifting mechanism includes a connecting plate 7, a threaded block 8, a rotating motor 9 and a first threaded rod 10, a moving mechanism is arranged below the rotating motor 9, and the moving mechanism includes a fixed frame 11, a rotating shaft 12, a grip 13, a first bevel gear 14, a connecting shaft 15, a second bevel gear 16, a second threaded rod 17, a threaded column 18, a universal wheel 19, a chute 21 and a slider 22;
the output end of the rotating motor 9 is fixedly connected with a first threaded rod 10, the first threaded rod 10 penetrates through the threaded block 8 and is in threaded connection with the threaded block, the two sides of the threaded block 8 are symmetrically and fixedly connected with connecting plates 7, and the upper surface of each connecting plate 7 is fixedly connected with the lower surface of the bottom of the connecting frame 1;
the lower surface of the rotating motor 9 is fixedly connected with a fixed frame 11, a cavity is arranged in the fixed frame 11, the lower surface of the bottom of the fixed frame 11 is rotatably connected with a connecting shaft 15, the lower surface of the connecting shaft 15 is fixedly connected with a second bevel gear 16, one side of the second bevel gear 16 is engaged with a first bevel gear 14, one side of the first bevel gear 14, which is far away from the connecting shaft 15, is fixedly connected with one end of a rotating shaft 12, the rotating shaft 12 penetrates through one side of the fixed frame 11 and is rotatably connected with the fixed frame, the other end of the rotating shaft 12 is fixedly connected with a handle 13, the lower surface of the second bevel gear 16 is fixedly connected with a second threaded rod 17, the second threaded rod 17 is arranged in a threaded column 18 and is in threaded connection with the threaded column, the lower surface of the threaded column 18 is fixedly connected with a universal wheel 19, the left side and the right side of the inside of the fixed frame 11 are symmetrically provided with sliding grooves 21, and sliding blocks 22 are slidably connected in the sliding grooves 21, the sliding block 22 is fixedly connected with the outer walls of the two sides of the threaded column 18;
the lower surface of the fixed frame 11 is fixedly connected with a first anti-skid pad 20;
the outer walls of two sides of the fixed frame 11 are symmetrically hinged with electric telescopic rods 23, the output ends of the electric telescopic rods 23 are hinged with the upper surface of a supporting plate 24, one side of the supporting plate 24 is hinged with the outer wall of the fixed frame 11, and the lower surface of the supporting plate 24 is fixedly connected with a second anti-skid pad 25;
the utility model discloses a dust collection device, including link 1, dust absorption chamber 2, a plurality of dust absorption mouths 3 of fixedly connected with on the link 1, dust absorption mouth 3 and the inside intercommunication in dust absorption chamber 2, 1 one side outer wall fixedly connected with dust catcher 5 of link, 5 output of dust catcher and 4 one end fixed connection of dust absorption pipe, the 4 other ends of dust absorption pipe and the inside intercommunication in dust absorption chamber 2.
Example 2
Referring to fig. 2, on the basis of embodiment 1, the outer walls of both sides of the connecting frame 1 are symmetrically and fixedly connected with storage frames 26, and a plurality of storage cabinets 27 are slidably connected inside the storage frames 26.
The utility model discloses a theory of operation is: after the device is moved to a designated position by using the universal wheel 19, the handle 13 is held to rotate the rotating shaft 12, the rotating shaft 12 drives the first bevel gear 14 to rotate, the first bevel gear 14 drives the second bevel gear 16 to rotate, the second bevel gear 16 drives the second threaded rod 17 to rotate, under the cooperation of the sliding groove 21 and the sliding block 22, the threaded post 18 moves upwards, so that the universal wheel 19 is retracted into the fixed frame 11, the fixed frame 11 supports the device, the rotating motor 9 is started to drive the first threaded rod 10 to rotate, the first threaded rod 10 drives the threaded block 8 to move, the first threaded block 8 drives the connecting plate 7 to move, so that the height of the blackboard 6 is adjusted, the practicability is stronger, the electric telescopic rod 23 is started to drive the supporting plate 24 to move, the supporting plate 24 is abutted to the ground, the contact area between the device and the ground is increased, the stability of the device is further improved, and a teacher can teach on the blackboard 6, the dust collector 5 is started to suck away dust under the matching of the dust suction pipe 4, the dust suction nozzle 3 and the dust suction cavity 2, so that a teacher is prevented from sucking the dust, and the health of a body is ensured.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A movable blackboard for English teaching comprises a connecting frame (1) and is characterized in that a blackboard (6) is fixedly connected inside the connecting frame (1), lifting mechanisms are symmetrically arranged on the left and right sides below the connecting frame (1), each lifting mechanism comprises a connecting plate (7), a threaded block (8), a rotating motor (9) and a first threaded rod (10), a moving mechanism is arranged below each rotating motor (9), and each moving mechanism comprises a fixed frame (11), a rotating shaft (12), a handle (13), a first bevel gear (14), a connecting shaft (15), a second bevel gear (16), a second threaded rod (17), a threaded column (18), a universal wheel (19), a sliding chute (21) and a sliding block (22); the output end of the rotating motor (9) is fixedly connected with a first threaded rod (10), the first threaded rod (10) penetrates through the threaded block (8) and is in threaded connection with the threaded block, connecting plates (7) are symmetrically and fixedly connected to two sides of the threaded block (8), and the upper surface of each connecting plate (7) is fixedly connected with the lower surface of the bottom of the connecting frame (1); the lower surface of the rotating motor (9) is fixedly connected with a fixed frame (11), a cavity is arranged in the fixed frame (11), the lower surface of the bottom of the fixed frame (11) is rotatably connected with a connecting shaft (15), the lower surface of the connecting shaft (15) is fixedly connected with a second bevel gear (16), one side of the second bevel gear (16) is engaged with a first bevel gear (14), one side of the first bevel gear (14) far away from the connecting shaft (15) is fixedly connected with one end of a rotating shaft (12), the rotating shaft (12) penetrates through one side of the fixed frame (11) and is rotatably connected with the fixed frame, the other end of the rotating shaft (12) is fixedly connected with a handle (13), the lower surface of the second bevel gear (16) is fixedly connected with a second threaded rod (17), the second threaded rod (17) is arranged in a threaded column (18) and is in threaded connection with the threaded column, and the lower surface of the threaded column (18) is fixedly connected with a universal wheel (19), the novel anti-skid fixing frame is characterized in that sliding grooves (21) are symmetrically formed in the left side and the right side of the inside of the fixing frame (11), sliding blocks (22) are connected to the inside of the sliding grooves (21) in a sliding mode, the sliding blocks (22) are fixedly connected with the outer walls of the two sides of the threaded column (18), and first anti-skid pads (20) are fixedly connected to the lower surface of the fixing frame (11).
2. The movable blackboard for English teaching according to claim 1, wherein the outer walls of the two sides of the fixed frame (11) are symmetrically hinged with electric telescopic rods (23), the output end of each electric telescopic rod (23) is hinged with the upper surface of the supporting plate (24), one side of the supporting plate (24) is hinged with the outer wall of the fixed frame (11), and the lower surface of the supporting plate (24) is fixedly connected with a second anti-skid pad (25).
3. The movable blackboard for English teaching according to claim 1, wherein a dust suction cavity (2) is arranged inside the connecting frame (1), a plurality of dust suction nozzles (3) are fixedly connected to the connecting frame (1), the dust suction nozzles (3) are communicated with the inside of the dust suction cavity (2), a dust collector (5) is fixedly connected to the outer wall of one side of the connecting frame (1), the output end of the dust collector (5) is fixedly connected with one end of a dust suction pipe (4), and the other end of the dust suction pipe (4) is communicated with the inside of the dust suction cavity (2).
4. The blackboard for english teaching of claim 1, characterized in that, the outer wall of both sides of the connecting frame (1) is symmetrically and fixedly connected with a storage frame (26), the inside of the storage frame (26) is connected with a plurality of storage cabinets (27) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120148164.4U CN214355172U (en) | 2021-01-20 | 2021-01-20 | Blackboard is used in english teaching of movable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120148164.4U CN214355172U (en) | 2021-01-20 | 2021-01-20 | Blackboard is used in english teaching of movable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214355172U true CN214355172U (en) | 2021-10-08 |
Family
ID=77956951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120148164.4U Expired - Fee Related CN214355172U (en) | 2021-01-20 | 2021-01-20 | Blackboard is used in english teaching of movable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214355172U (en) |
-
2021
- 2021-01-20 CN CN202120148164.4U patent/CN214355172U/en not_active Expired - Fee Related
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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: 20211008 |