CN216623544U - Demonstration board for education and teaching - Google Patents
Demonstration board for education and teaching Download PDFInfo
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- CN216623544U CN216623544U CN202123307918.5U CN202123307918U CN216623544U CN 216623544 U CN216623544 U CN 216623544U CN 202123307918 U CN202123307918 U CN 202123307918U CN 216623544 U CN216623544 U CN 216623544U
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- bevel gear
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Abstract
This product is a demonstration board for education and teaching relates to education and teaching aid technical field: the demonstration board is movably mounted on a mounting frame through a rotating shaft sleeve, and a support rod for assisting the mounting frame to lift is arranged at the bottom of the mounting frame; the utility model has the following beneficial effects: the demonstration board lifting device is simple and practical, the demonstration board is pushed to lift through the screw rod and the support rod, the stability can be greatly improved, the demonstration board can rotate to realize double-sided use, and the utilization rate of the demonstration board is improved.
Description
Technical Field
The utility model relates to the technical field of education teaching aids, and particularly discloses a demonstration board for education and teaching.
Background
The teaching aid is used as a teaching aid for teachers, has the irreplaceable effect of other means, can be used as an auxiliary tool for any subject, and can be really brought into the teaching process by teachers according to needs, so that the teachers can select and use the teaching aid timely based on the fact that the teaching aid is in fact in a standing position, the learning interest of students can be stimulated, the teaching key points are highlighted, the teaching difficulty points are broken through, and the teaching quality and the teaching efficiency are improved; but present show teaching aid structure is comparatively simple, when showing, is difficult for realizing the function of lift, and inconvenient user carries out effectual regulation according to site environment to the height of show teaching aid, leads to the phenomenon emergence that the show teaching aid sheltered from by certain object to appear easily, great reduction the bandwagon effect of show teaching aid.
Patent document with application number CN202120184724.1 discloses an education and teaching show teaching aid, including the mounting bracket, the middle part fixedly connected with transmission of mounting bracket upper surface, transmission includes the rack, it has the backup pad to peg graft at the middle part of rack upper surface, the top fixedly connected with connecting plate of rack medial surface, peg graft in the positive middle part of connecting plate and have the gag lever post. This education and teaching show teaching aid goes up and down to show teaching aid body through transmission, then support fixedly to show teaching aid body by the bracing piece, realized that the device has the function that goes up and down to show teaching aid body, but in use, the lift of show teaching aid leans on rack and pinion's meshing entirely, very easily cause disconnected tooth phenomenon, the lift process is also not stable enough in addition, this show teaching aid can only the single face use in addition, only can erase after the one side is written to capacity and just can write again, the utilization ratio has been reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a demonstration board for education and teaching, which is used to improve the shortcomings of the prior art.
The utility model is realized by the following technical scheme:
the utility model provides a demonstration board is used in education and teaching, includes the base, the base passes through the screw rod and installs over-and-under type demonstration board, demonstration board is through rotating axle sleeve movable mounting on the mounting bracket, the mounting bracket bottom is provided with the vaulting pole of supplementary its lift.
As a further optimization of the scheme, the supports in the inverted L shapes are symmetrically arranged at the tops of the bases, and the screws are movably mounted on the supports and connected with the mounting rack through thread sleeves.
As a further optimization of the above scheme, the bottom end of the screw is provided with driven bevel gears, a horizontal transmission shaft rod is arranged between the brackets, two ends of the transmission shaft rod are connected with the transmission bevel gears meshed with the driven bevel gears, a driving bevel gear meshed with the transmission bevel gear is arranged below the transmission bevel gears, and the driving bevel gears are driven by a motor arranged on the base.
As a further optimization of the above scheme, the transmission shaft rod body is symmetrically provided with threads, the two threads are oppositely screwed and are connected with the shaft sleeves, the support rod is movably mounted on the shaft sleeves through the first U-shaped seat, the other end of the support rod is hinged to the second U-shaped seat at the bottom of the mounting frame, and when the transmission shaft rod rotates, the two shaft sleeves are driven to move relatively, so that the support rod is pushed to swing up and down, and the mounting frame is assisted to lift.
As the further optimization of above-mentioned scheme, the inside embedded axle that links to each other with the demonstration board that is provided with of rotation axle sleeve, one of them rotation axle sleeve front and back one side is seted up shaft hole one and embedded axle front and back bilateral symmetry is provided with shaft hole two, same locking round pin is pegged graft with shaft hole two in shaft hole one, be connected with the spring between locking round pin and the rotation axle sleeve outer wall.
The utility model has the following beneficial effects:
1) the demonstration board for education and teaching disclosed by the utility model is simple in structure and convenient to use, the screw rod is rotated by utilizing the transmission of the motor and the bevel gear so as to drive the mounting frame to lift, and meanwhile, the rotation of the transmission shaft rod drives the two shaft sleeves to move relatively, so that the support rod is pushed to swing up and down, the mounting frame is assisted to lift, and the stability is improved.
2) According to the demonstration board for education and teaching disclosed by the utility model, the position of the demonstration board can be fixed by the locking pin, the demonstration board can rotate to realize double-sided use after the locking pin is pulled out, and finally, the locking pin is inserted into the first shaft hole and the second shaft hole again by utilizing the resetting effect of the spring so as to fix the demonstration board.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the structure of FIG. 1 at A;
in the figure: 1-base, 101-motor groove, 2-support, 3-screw, 4-thread bush, 5-driven bevel gear, 6-mounting rack, 7-rotating shaft bush, 701-shaft hole I, 702-embedded shaft, 7021-shaft hole II, 703-locking pin, 704-spring, 8-transmission shaft lever, 9-transmission bevel gear, 10-motor, 11-driving bevel gear, 12-thread, 13-shaft bush, 14-U type seat I, 15-support rod, 16-U type seat II and 17-demonstration board.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In this application, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1-2, in conjunction with the embodiments.
Examples
The embodiment discloses a demonstration board for education and teaching, which comprises a base 1 serving as a support, wherein inverted L-shaped supports 2 are symmetrically arranged at the left end and the right end of the top of the base 1, vertically arranged screw rods 3 are movably arranged on the supports 2, a C-shaped mounting frame 6 is connected between the two screw rods 3 through movably arranged thread sleeves 4, and demonstration boards 17 are arranged on the inner walls of the two sides of the mounting frame 6 through rotating shaft sleeves 7;
the inside of the rotating shaft sleeve 7 is provided with an embedded shaft 702 connected with the demonstration board 17, one front side and the back side of one rotating shaft sleeve 7 are provided with a first shaft hole 701, the front side and the back side of the embedded shaft 702 are symmetrically provided with a second shaft hole 7021, the first shaft hole 701 and the second shaft hole 7021 are consistent in size and are inserted with the same locking pin 703, and a spring 704 is connected between the locking pin 703 and the outer wall of the rotating shaft sleeve 7; the locking pin can fix the position of the demonstration plate 17, the demonstration plate 17 can rotate to realize double-sided use after the locking pin 703 is pulled outwards, and finally the locking pin 703 is inserted into the first shaft hole 701 and the second shaft hole 7021 again by utilizing the resetting effect of the spring 704 so as to fix the demonstration plate 17;
the bottom end of the screw rod 3 is connected with a driven bevel gear 5, a horizontally arranged transmission shaft lever 8 is movably arranged between the two brackets 2, two ends of the transmission shaft lever 8 are connected with transmission bevel gears 9 meshed with the driven bevel gears 5, a motor 10 is arranged at the left end and the right end of the base 1 through a motor groove 101, a driving bevel gear 11 is arranged on an output shaft of the motor 10, and the driving bevel gears 11 and the driven bevel gears 5 positioned at the side are vertically symmetrical and meshed with the transmission bevel gears 9;
The teaching demonstration board disclosed by the utility model has the following principle:
utilize the transmission of motor and bevel gear to make the screw rod rotate to drive the mounting bracket lift, meanwhile, because the rotation of transmission axostylus axostyle drives two axle sleeve relative motion, therefore promote the vaulting pole luffing motion, supplementary mounting bracket goes up and down, improve stability, the position of demonstration board can be fixed to the locking round pin, the demonstration board can rotate after outwards extracting the locking round pin and realize two-sided use, thereby it fixes the demonstration board with axle hole two to insert the first and axle hole of shaft hole once more to utilize the reset action locking round pin of spring at last.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a demonstration board is used in education and teaching, includes the base, the base passes through the screw rod and installs over-and-under type demonstration board, its characterized in that, demonstration board is through rotating axle sleeve movable mounting on the mounting bracket, the mounting bracket bottom is provided with the vaulting pole of supplementary its lift.
2. The demonstration board for education and teaching of claim 1 wherein the top of the base is symmetrically provided with inverted L-shaped brackets, the screw is movably mounted on the brackets and connected with the mounting rack through a threaded sleeve.
3. The demonstration board for education and teaching according to claim 2, wherein the screw is provided at its bottom with a driven bevel gear, a horizontal transmission shaft is provided between the supports and connected at both ends with transmission bevel gears engaged with the driven bevel gears, a driving bevel gear engaged with the transmission bevel gear is provided below the transmission bevel gear, and the driving bevel gear is driven by a motor mounted on the base.
4. The demonstration board for education and teaching of claim 3 wherein the transmission shaft rod body is provided with threads in bilateral symmetry and is in threaded connection with a shaft sleeve, the stay rod is movably mounted on the shaft sleeve through a U-shaped seat I, and the other ends of the stay rod are hinged to a U-shaped seat II at the bottom of the mounting frame together.
5. A demonstration board for educational teaching according to claim 4 wherein the two threads are of opposite hand.
6. The demonstration board for education and teaching as claimed in claim 1, wherein the inside of the rotary shaft sleeve is provided with an embedded shaft connected with the demonstration board, one of the rotary shaft sleeve is provided with a first shaft hole on the front and back sides and a second shaft hole is symmetrically arranged on the front and back sides of the embedded shaft, the first shaft hole and the second shaft hole are inserted with the same locking pin, and a spring is connected between the locking pin and the outer wall of the rotary shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123307918.5U CN216623544U (en) | 2021-12-27 | 2021-12-27 | Demonstration board for education and teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123307918.5U CN216623544U (en) | 2021-12-27 | 2021-12-27 | Demonstration board for education and teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216623544U true CN216623544U (en) | 2022-05-27 |
Family
ID=81682975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123307918.5U Active CN216623544U (en) | 2021-12-27 | 2021-12-27 | Demonstration board for education and teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216623544U (en) |
-
2021
- 2021-12-27 CN CN202123307918.5U patent/CN216623544U/en active Active
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