CN211106571U - Teacher's teaching is with multi-functional presentation device - Google Patents
Teacher's teaching is with multi-functional presentation device Download PDFInfo
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- CN211106571U CN211106571U CN201921561319.6U CN201921561319U CN211106571U CN 211106571 U CN211106571 U CN 211106571U CN 201921561319 U CN201921561319 U CN 201921561319U CN 211106571 U CN211106571 U CN 211106571U
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- writing board
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Abstract
The utility model discloses a teacher's teaching is with multi-functional presentation device in teaching aid technical field, including first board, first board right side sets up the second board, first board and second board bottom set up the cage, the inside rotating gear that is equipped with of cage, the inside pivot that sets up of rotating gear, the rotating gear left side sets up first rack, first rack left side sets up first slide rail, set up first slider between first rack and the first slide rail, the lower extreme all sets up first stopper on the first slide rail, the rotating gear right side sets up the second rack, second rack right side sets up the second slide rail, set up the second slider between second rack and the second slide rail, the lower extreme all sets up the second stopper on the second slide rail. The height of the writing board can be adjusted up and down by driving the lifting box, so that students can better observe the writing board, and the practicability of the whole teaching demonstration device is enhanced.
Description
Technical Field
The utility model relates to a teaching aid technical field specifically is a teacher's teaching is with multi-functional presentation device.
Background
Classroom teaching is a means of universal use in the education and teaching, it is the overall process that the teacher imparts knowledge and skill for the student, mainly include the teacher explanation, the student asks for a question and answers, all teaching aids that teaching activity and teaching in-process used, wherein teaching presentation device is the model that is used for explaining in the teaching, charts etc., in order to make teaching more directly perceived high-efficient, the most highly unable adjustment of current teaching presentation device is not convenient for the student and watches, the teacher adopts blackboard-writing and oral description mostly, the teaching content is comparatively abstract, can not make the teaching mode more diversified, and the clipboard needs the board to clean a bit after using, waste time and energy, reduce teaching efficiency. Therefore, a multifunctional demonstration device for teacher teaching is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a teacher's teaching is with multi-functional presentation device 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: a multifunctional demonstration device for teacher teaching comprises a first writing board, wherein fixing plates are arranged on the left side and the right side of the first writing board, a fixing block is arranged on the right end of the fixing plate on the left side, a fixing block is arranged on the left end of the fixing plate on the right side, a curtain is arranged between the two fixing blocks, a second writing board is arranged on the right side of the first writing board, sliding grooves are arranged on the left side and the right side of the second writing board, a board wiping strip is arranged on the upper portion of the second writing board, a pull ring is arranged on the right side of the board wiping strip, a lifting box is arranged at the bottom of the first writing board and the second writing board, a rotating gear is arranged in the lifting box, a rotating shaft is arranged in the rotating gear, a first gear strip is arranged on the left side of the rotating gear, a first sliding rail is arranged on the left side of the first gear strip, a first sliding block is arranged between the first gear strip, first slide rail and first stopper are all installed on the lift case left end inner wall, the rotating gear right side sets up the second rack, second rack right side sets up the second slide rail, set up the second slider between second rack and the second slide rail, the lower extreme all sets up the second stopper on the second slide rail, second slide rail and second stopper are all installed on lift case right-hand member inner wall, the lift case right side is equipped with controls the box, the lift case sets up connecting wire with controlling between the box, the lift bottom of the case portion left and right sides all sets up the connecting seat, the inside shock attenuation equipment that sets up of connecting seat, two connecting seat bottoms all set up the universal wheel, set up the backup pad between two connecting seats.
Preferably, the first gear rack and the first sliding block are fixed through welding, the upper end of the first gear rack penetrates through the top of the lifting box and is fixedly connected with the bottom of the first writing board, the second gear rack and the second sliding block are fixed through welding, and the upper end of the second gear rack penetrates through the top of the lifting box and is fixedly connected with the bottom of the second writing board.
Preferably, the rotating shaft is movably connected with the rotating gear in the box body through a bearing, the first gear rack is in meshed connection with the rotating gear, and the second gear rack is in meshed connection with the rotating gear.
Preferably, the level sets up the mounting panel between two spouts, fixed mounting panel strips of wiping on the mounting panel, both ends all set up the connecting block about the mounting panel, two connecting blocks set up respectively inside two spouts, the mounting panel back sets up two sets of gag lever posts, two gag lever posts top and second board upper end fixed connection, pressure spring has all been cup jointed to two gag lever posts outside, pressure spring sets up between second board upper end and mounting panel upper end.
Preferably, the shock absorption equipment comprises a first fixing seat and a second fixing seat, a first mounting seat is arranged at the bottom of the first fixing seat, a second mounting seat is arranged at the top of the second fixing seat, and a buffer spring is arranged between the first mounting seat and the second mounting seat.
Compared with the prior art, the beneficial effects of the utility model are that: when teaching demonstration is carried out, the curtain is unfolded, projection teaching is facilitated, and the traditional teaching content is avoided by combining the projection device with the writing board, so that teaching is more diversified; when the second writing board is cleaned after writing, the pull ring is pulled downwards, the eraser strip moves downwards to wipe the whole surface of the second writing board, the eraser strip is released after the second writing board is used, the eraser strip automatically returns to the top under the action of the pressure spring, the cleaning is quick, a teacher can use the second writing board conveniently, and the teaching efficiency is improved; the rotating gear rotates along the rotating shaft, and the first gear strip and the second gear strip are respectively meshed with the rotating gear to move, so that the first writing board and the second writing board at the upper end of the lifting box are driven to move up and down, students can observe the writing board better, and the practicability of the whole teaching demonstration device is enhanced; promote the universal wheel, the teaching presentation device of being convenient for removes, does not occupy the classroom space, and the student of also being convenient for is diversified to watch equally.
Drawings
FIG. 1 is a schematic view of the structure of the teaching demonstration device of the present invention;
FIG. 2 is a schematic view of the internal structure of the lift box of the present invention;
FIG. 3 is a schematic view of the installation structure of the plate wiping strip of the present invention;
Figure 4 is the utility model discloses shock attenuation equipment structure sketch map.
In the figure: 1 curtain, 2 fixed blocks, 3 fixed plates, 4 first writing boards, 5 lifting boxes, 51 first gear strips, 52 first limit blocks, 53 first slide blocks, 54 first slide rails, 55 second gear strips, 56 second limit blocks, 57 second slide blocks, 58 second slide rails, 59 rotating shafts, 510 rotating gears, 6 connecting seats, 7 shock absorption equipment, 71 first fixed seats, 72 first mounting seats, 73 buffer springs, 74 second mounting seats, 75 second fixed seats, 8 universal wheels, 9 board wiping strips, 91 limit rods, 92 connecting blocks, 93 pressure springs, 94 mounting plates, 10 pull rings, 11 sliding grooves, 12 second writing boards, 13 connecting leads, 14 control boxes and 15 supporting plates.
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. 1-4, the present invention provides a technical solution: a multifunctional demonstration device for teacher teaching comprises a first writing board 4, wherein fixing plates 3 are arranged on the left side and the right side of the first writing board 4, a fixing block 2 is arranged on the right end of the left fixing plate 3, a fixing block 2 is arranged on the left end of the right fixing plate 3, a curtain 1 is arranged between the two fixing blocks 2, a second writing board 12 is arranged on the right side of the first writing board 4, when the multifunctional demonstration device is used, demonstration can be directly written on the first writing board 4 and the second writing board 12, when teaching demonstration is carried out, an external projection device is used for controlling the curtain 1 to be unfolded through an external controller, projection teaching is facilitated, traditional teaching contents are avoided by combining the projection device and the writing board, teaching is more diversified, sliding grooves 11 are arranged on the left side and the right side of the second writing board 12, a board wiping strip 9 is arranged on the upper portion of the second writing board 12, a pull ring 10 is arranged on the right side of the board wiping strip, the pull ring 10 is pulled downwards, the connecting block 92 moves downwards along the sliding groove 11, the pressure spring 93 is stressed to stretch and moves downwards along with the eraser strip 9, the whole surface of the second writing board 12 is wiped, the eraser strip 9 is released after the use, the pressure spring 93 restores to the state before deformation, the eraser strip 9 automatically returns to the top, the cleaning is fast, the use by a teacher is facilitated, the teaching efficiency is improved, the lifting box 5 is arranged at the bottoms of the first writing board 4 and the second writing board 12, the rotating gear 510 is arranged in the lifting box 5, the rotating shaft 59 is arranged in the rotating gear 510, the first gear strip 51 is arranged at the left side of the rotating gear 510, the first sliding rail 54 is arranged at the left side of the first gear strip 51, the first sliding block 53 is arranged between the first gear strip 51 and the first sliding rail 54, the first limiting block 52 is arranged at the upper end and the lower end of the first sliding rail 54, and the first sliding rail 54 and the first limiting block 52 are both arranged on the inner, the right side of the rotating gear 510 is provided with a second gear rack 55, the right side of the second gear rack 55 is provided with a second slide rail 58, a second slide block 57 is arranged between the second gear rack 55 and the second slide rail 58, the upper end and the lower end of the second slide rail 58 are both provided with a second limit block 56, the second slide rail 58 and the second limit block 56 are both arranged on the inner wall of the right end of the lifting box 5, the right side of the lifting box 5 is provided with an operation box 14, a connecting lead 13 is arranged between the lifting box 5 and the operation box 14, the operation box 14 starts a rotating shaft 59 to rotate, the rotating gear 510 rotates along the rotating shaft 59, the first gear rack 51 and the second gear rack 55 are respectively engaged with the rotating gear 510 to move, the first gear rack 51 drives the first slide block 53 to move up and down along the first slide rail 54, the second gear rack 55 drives the second slide block 57 to move up and down along the second slide rail 58, thereby driving the first writing board 4 and the second, better be convenient for student observes, and the 5 bottom left and right sides of cage all sets up connecting seat 6, and the inside damping device 7 that sets up of connecting seat 6 all sets up universal wheel 8 in the bottom of two connecting seats, installs brake equipment on the universal wheel 8, promotes universal wheel 8, through the fixed teaching presentation device position of brake equipment, and the teaching presentation device of being convenient for removes, and the student of also being convenient for is diversified to be watched equally, sets up backup pad 15 between two connecting seats 6.
The first gear rack 51 and the first sliding block 53 are fixed by welding, when the first gear rack 51 moves, the first sliding block 53 is driven to move up and down along the first sliding rail 54, the upper end of the first gear rack 51 passes through the top of the lifting box 5 and is fixedly connected with the bottom of the first writing board 4, the overall height of the first writing board 4 can be adjusted by the up-and-down movement of the first gear rack 51, the second gear rack 55 and the second sliding block 57 are fixed by welding, when the second gear rack 55 moves, the second sliding block 57 is driven to move up and down along the second sliding rail 58, the upper end of the second gear rack 55 passes through the top of the lifting box 5 and is fixedly connected with the bottom of the second writing board 12, and the overall height of the second writing board 12 can be adjusted by the up-and-down movement of the second gear rack 55;
The rotating shaft 59 is movably connected with a rotating gear 510 in the box body through a bearing, the first gear rack 51 is meshed with the rotating gear 510, and the second gear rack 55 is meshed with the rotating gear 510;
A mounting plate 94 is horizontally arranged between the two sliding grooves 11, a mounting plate wiping strip 9 is fixed on the mounting plate 94, connecting blocks 92 are respectively arranged at the left end and the right end of the mounting plate 94, the two connecting blocks 92 are respectively arranged inside the two sliding grooves 11, two groups of limiting rods 91 are arranged on the back surface of the mounting plate 94, the top ends of the two limiting rods 91 are fixedly connected with the upper end of the second writing board 12, pressure springs 93 are sleeved outside the two limiting rods 91, the pressure springs 93 are arranged between the upper end of the second writing board 12 and the upper end of the mounting plate 94, by pulling the pull ring 10, the connecting block 92 moves downwards along the sliding groove 11, the pressure spring 93 is stressed and stretched to move downwards along with the blackboard eraser strip 9, the whole surface of the second writing board 12 is wiped, the board wiping strip 9 is loosened after the second writing board is used, the pressure spring 93 is restored to the state before deformation, and the board wiping strip 9 automatically returns to the top, so that the board surface can be cleaned quickly, a teacher can use the second writing board conveniently, and the teaching efficiency is improved;
The working principle is as follows: when the multifunctional blackboard eraser is used, demonstration can be directly written on the first writing board 4 and the second writing board 12, when teaching demonstration is carried out, an external projection device is unfolded through the external controller to control the curtain 1, projection teaching is convenient, when the second writing board 12 is cleaned after writing, the pull ring 10 is pulled downwards, the connecting block 92 moves downwards along the sliding groove 11, the pressure spring 93 is stressed to extend downwards along with the blackboard eraser 9 to wipe the whole surface of the second writing board 12, after the use is finished, the blackboard eraser 9 is released, the pressure spring 93 restores the state before deformation, the blackboard eraser 9 automatically returns to the top, a teacher can use the blackboard eraser to improve teaching efficiency, the control box 14 starts the rotating shaft 59 to rotate, the rotating gear 510 rotates along the rotating shaft 59, the first gear strip 51 and the second gear strip 55 respectively engage with the rotating gear 510 to move, the first gear strip 51 drives the first sliding block 53 to move up and down along the first sliding rail 54, the second gear rack 55 drives the second slide block 57 to move up and down along the second slide rail 58, thereby driving the first writing board 4 and the second writing board 12 at the upper end of the lifting box 5 to move up and down, better facilitating the observation of students, pushing the universal wheels 8, facilitating the movement of the teaching demonstration device, and also facilitating the multi-directional watching of students.
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 (5)
1. The utility model provides a teacher's teaching is with multi-functional presentation device, includes first board (4), its characterized in that: the left side and the right side of the first writing board (4) are respectively provided with a fixing board (3), the right end of the left side fixing board (3) is provided with a fixing block (2), the left end of the right side fixing board (3) is provided with a fixing block (2), a curtain (1) is arranged between the two fixing blocks (2), the right side of the first writing board (4) is provided with a second writing board (12), the left side and the right side of the second writing board (12) are respectively provided with a sliding chute (11), the upper part of the second writing board (12) is provided with a board wiping strip (9), the right side of the board wiping strip (9) is provided with a pull ring (10), the bottoms of the first writing board (4) and the second writing board (12) are provided with a lifting box (5), a rotating gear (510) is arranged in the lifting box (5), a rotating shaft (59) is arranged in the rotating gear (510), the left side of the rotating, a first sliding rail (54) is arranged on the left side of the first gear rack (51), a first sliding block (53) is arranged between the first gear rack (51) and the first sliding rail (54), first limiting blocks (52) are arranged at the upper end and the lower end of the first sliding rail (54), the first sliding rail (54) and the first limiting blocks (52) are both installed on the inner wall of the left end of the lifting box (5), a second gear rack (55) is arranged on the right side of the rotating gear (510), a second sliding rail (58) is arranged on the right side of the second gear rack (55), a second sliding block (57) is arranged between the second gear rack (55) and the second sliding rail (58), a second limiting block (56) is arranged at the upper end and the lower end of the second sliding rail (58), the second sliding rail (58) and the second limiting block (56) are both installed on the inner wall of the right end of the lifting box (5), and a control box (14) is arranged on the right side of the lifting box, set up connecting wire (13) between lift case (5) and control box (14), the lift case (5) bottom left and right sides all sets up connecting seat (6), inside damping device (7) that sets up of connecting seat (6), all set up universal wheel (8) bottom two connecting seats (6), set up backup pad (15) between two connecting seats (6).
2. The multifunctional demonstration apparatus for teacher's teaching according to claim 1, wherein: fixed through welding between first rack (51) and first slider (53), go through lifting box (5) top and first board (4) bottom fixed connection in first rack (51) upper end, pass through welded fastening between second rack (55) and second slider (57), lifting box (5) top and second board (12) bottom fixed connection are passed to second rack (55) upper end.
3. The multifunctional demonstration apparatus for teacher's teaching according to claim 1, wherein: the rotating shaft (59) is movably connected with the rotating gear (510) in the box body through a bearing, the first gear rack (51) is in meshed connection with the rotating gear (510), and the second gear rack (55) is in meshed connection with the rotating gear (510).
4. The multifunctional demonstration apparatus for teacher's teaching according to claim 1, wherein: the level sets up mounting panel (94) between two spout (11), fixed mounting panel wiping strip (9) is gone up in mounting panel (94), both ends all set up connecting block (92) about mounting panel (94), two connecting blocks (92) set up respectively inside two spout (11), mounting panel (94) back sets up two sets of gag lever post (91), two gag lever post (91) tops and second board (12) upper end fixed connection, pressure spring (93) have all been cup jointed to two gag lever post (91) outsides, pressure spring (93) set up between second board (12) upper end and mounting panel (94) upper end.
5. The multifunctional demonstration apparatus for teacher's teaching according to claim 1, wherein: damping device (7) include first fixing base (71) and second fixing base (75), and first fixing base (71) bottom sets up first mount pad (72), and second fixing base (75) top is equipped with second mount pad (74), set up buffer spring (73) between first mount pad (72) and second mount pad (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921561319.6U CN211106571U (en) | 2019-09-19 | 2019-09-19 | Teacher's teaching is with multi-functional presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921561319.6U CN211106571U (en) | 2019-09-19 | 2019-09-19 | Teacher's teaching is with multi-functional presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211106571U true CN211106571U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921561319.6U Expired - Fee Related CN211106571U (en) | 2019-09-19 | 2019-09-19 | Teacher's teaching is with multi-functional presentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211106571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113992899A (en) * | 2021-10-21 | 2022-01-28 | 浙江科比特科技有限公司 | Unmanned aerial vehicle passes back image composite graph equipment in real time |
-
2019
- 2019-09-19 CN CN201921561319.6U patent/CN211106571U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113992899A (en) * | 2021-10-21 | 2022-01-28 | 浙江科比特科技有限公司 | Unmanned aerial vehicle passes back image composite graph equipment in real time |
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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: 20200728 Termination date: 20210919 |