CN210777221U - Higher mathematics matrix presentation device - Google Patents
Higher mathematics matrix presentation device Download PDFInfo
- Publication number
- CN210777221U CN210777221U CN201921628517.XU CN201921628517U CN210777221U CN 210777221 U CN210777221 U CN 210777221U CN 201921628517 U CN201921628517 U CN 201921628517U CN 210777221 U CN210777221 U CN 210777221U
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- Prior art keywords
- fixedly connected
- demonstration board
- demonstration
- fixed
- display screen
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Abstract
The utility model discloses a higher mathematics matrix demonstration device, which comprises a mounting plate and a demonstration plate, wherein the surface of the mounting plate is provided with the demonstration plate, the surface of the demonstration plate is provided with a limit groove, the limit groove is fixedly provided with a folding cloth, the bottom of the folding cloth is fixedly connected with a slide bar, the slide bar is matched and slidably connected in the limit groove, the limit groove on the surface of the demonstration plate is fixedly provided with a display screen, the folding cloth is connected on the surface of the display screen, the top end and the bottom end of the surface of the mounting plate are both fixedly connected with a support plate, the surface of the support plate is provided with a horizontal chute, the surface of the support plate is provided with two clamping grooves, the clamping grooves are communicated with the inside of the chute, four corners of the surface of the demonstration plate, which is far away from the display screen, are both fixedly connected with convex blocks, the high mathematics matrix demonstration device has, the dustproof display screen has a better dustproof effect, and the display screen can keep a clear state.
Description
Technical Field
The utility model relates to a presentation device technical field specifically is a higher mathematics matrix presentation device.
Background
Mathematics is a subject of calculation, linear algebra is a branch of mathematics, the vector space of the linear algebra is a research object type vector, a vector space, linear transformation and a finite dimension linear equation set, and the vector space is an important subject of modern mathematics, so that the linear algebra is widely applied and is used in abstract algebra and functional analysis, in higher education, the linear algebra is a course to be repaired, the linear algebra is in teaching, a classroom needs to manually copy various matrixes, the number in the matrixes is generally more, the copying is easy to be wrong, and time is wasted in the copying process.
Present matrix teaching presentation device is bulky and the structure is comparatively fixed rigid plate, is not convenient for fix it, also portable moreover, and it is comparatively inconvenient to use, and present matrix teaching presentation device's display screen generally exposes externally for a long time, piles up more dust easily to lead to the screen not fuzzy not influencing student's watching, for this reason, we propose a high mathematics matrix presentation device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a higher mathematics matrix presentation device 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 higher mathematics matrix demonstration device comprises a mounting plate and a demonstration plate, wherein the demonstration plate is mounted on the surface of the mounting plate, a limiting groove is formed in the surface of the demonstration plate, folding cloth is fixedly mounted in the limiting groove, a sliding rod is fixedly connected to the bottom of the folding cloth and is connected to the limiting groove in a sliding mode in a matching mode, a display screen is fixedly mounted in the limiting groove in the surface of the demonstration plate, the folding cloth is connected to the surface of the display screen, supporting plates are fixedly connected to the top end and the bottom end of the surface of the mounting plate, a sliding groove in the horizontal direction is formed in the surface of each supporting plate, two clamping grooves are formed in the surfaces of the supporting plates and are communicated with the inside of the sliding groove, four corners of the surface of the demonstration plate far away from one side of the display screen are fixedly connected with convex blocks, the convex blocks are clamped in the clamping grooves, the convex, and the tip fixedly connected with push pedal of spring, push pedal cooperation sliding connection is in the spout, and the push pedal keeps away from one side and the lug contact of spring, the mounting panel is kept away from demonstration board one side embedding and is installed the permanent magnet.
Preferably, the top and the bottom that spring one end was kept away from to the backup pad all are provided with the flange, and the flange surface of backup pad bottom rotates and is connected with the dead lever, the fixed slot has been seted up to the tip of dead lever, the flange fixed surface at backup pad top is connected with the buckle, and the buckle joint is in the fixed slot of fixed rod tip, the lateral wall of dead lever and the lateral wall contact of demonstration board.
Preferably, the bottom symmetry fixedly connected with link of slide bar, the bottom symmetry fixedly connected with on demonstration board surface hangs the knot, and hangs and detain the joint on the link surface, the top fixedly connected with gag lever post on demonstration board surface, and the fixed rope of the outside fixedly connected with of gag lever post, the fixed knot of intermediate position fixedly connected with on slide bar surface, the fixed rope tip joint in the gag lever post outside is in the fixed knot outside.
Preferably, the four corners of the surface of the mounting plate are provided with mounting holes.
Preferably, the center of the top of the demonstration board is fixedly connected with a handle, and the outer side of the handle is fixedly connected with an anti-slip sleeve.
Preferably, the bottom of the demonstration board is symmetrically and fixedly connected with supporting feet.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses can arrange the supporting legs of this demonstration board in the podium when teaching uses, the time demonstration board faces the student, be convenient for student's watching, also can adsorb the mounting panel on the blackboard of classroom through the permanent magnet that sets up above that earlier, then with lug alignment on the demonstration board put into the draw-in groove and slide right, the spring is extruded this moment, rotate the dead lever again, make the fixed slot and the buckle of fixed rod tip be connected, make the demonstration board fixed, be convenient for the student watch, the device can also install other positions beyond the classroom simultaneously, through fixed screw with mounting panel fixed mounting, then install the demonstration board on the mounting panel surface again, be convenient for install the teaching demonstration in multiple places, and is convenient for popularize and use.
2. The utility model discloses a portable handle can realize carrying the convenience of demonstration board, when needing to overhaul the demonstration board, it breaks away from the connection with the buckle to rotate the dead lever, make the demonstration board reach the left end of backup pad smoothly under the spring action, the lug position at this moment is located the draw-in groove, shift out the demonstration board can, it is comparatively convenient to overhaul, can break away from fixed rope and fixed knot to be connected when not using, slide the slide bar to the bottom, and be connected link and hanging buckle, make the display screen sheltered from, better dustproof effect has been played, make the display screen can keep clear state, slide and be connected fixed rope and fixed buckle on the slide bar during use, be convenient for carry out the matrix demonstration, it is comparatively convenient to go up to use.
Drawings
FIG. 1 is a schematic structural view of the overall front view of the present invention;
FIG. 2 is a schematic structural view of the mounting plate of the present invention;
FIG. 3 is a schematic structural diagram of a top view of the demonstration board of the present invention;
fig. 4 is a schematic rear view of the mounting plate of the present invention.
In the figure: 1. mounting a plate; 2. a demonstration board; 3. a display screen; 4. folding the cloth; 5. a slide bar; 6. a support plate; 7. a limiting rod; 8. a fixing buckle; 9. hanging a ring; 10. hanging and buckling; 11. a bump; 12. a chute; 13. A card slot; 14. a convex plate; 15. fixing the rod; 16. buckling; 17. mounting holes; 18. a permanent magnet; 19. A handle; 20. an anti-slip sleeve; 21. a spring; 22. pushing the plate; 23. support the feet.
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 higher mathematics matrix demonstration device comprises a mounting plate 1 and a demonstration plate 2, the demonstration plate 2 is mounted on the surface of the mounting plate 1, a limit groove is arranged on the surface of the demonstration plate 2, a folding cloth 4 is fixedly mounted in the limit groove, the bottom of the folding cloth 4 is fixedly connected with a slide bar 5, the slide bar 5 is matched and slidably connected in the limit groove, a display screen 3 is fixedly mounted in the limit groove on the surface of the demonstration plate 2, matrix demonstration is facilitated through the display screen 3, the situations that a teacher wastes time and labor manually during writing on a blackboard and the teaching efficiency is low are avoided, when the device is not used, a fixing rope can be separated from a fixing buckle 8, the slide bar 5 slides to the bottom, a hanging ring 9 is connected with a hanging buckle 10, the display screen 3 is shielded, a better dustproof effect is achieved, the display screen 3 can be kept in a clear state, when the device is used, the slide bar 5 slides upwards and is connected with the fixing buckle 8, the folding cloth 4 is connected on the surface of the display screen 3, the top end and the bottom end of the surface of the mounting plate 1 are fixedly connected with a supporting plate 6, the supporting plate 6 plays a role of fixed support, the surface of the supporting plate 6 is provided with a chute 12 in the horizontal direction, the surface of the supporting plate 6 is provided with two clamping grooves 13, the clamping grooves 13 are communicated with the inside of the chute 12, four corners of the surface of one side of the demonstration plate 2, which is far away from the display screen 3, are fixedly connected with convex blocks 11, the convex blocks 11 are clamped in the clamping grooves 13 in a matched and sliding manner, the supporting plate 6 is internally and fixedly connected with springs 21, the end parts of the springs 21 are fixedly connected with a push plate 22, the push plate 22 is matched and sliding connected in the chute 12, one side of the push plate 22, which is far away from the springs 21, is contacted with the convex blocks 11, one side of the mounting plate 1, the demonstration board 2 is enabled to face the student, the student can watch conveniently, the mounting board 1 can be adsorbed on a blackboard in a classroom through the permanent magnet 18 arranged on the mounting board, then the lug 11 on the demonstration board 2 is aligned and placed into the clamping groove 13 and slides rightwards, the spring 21 is extruded at the moment, the fixing rod 15 is rotated, the fixing groove at the end part of the fixing rod 15 is connected with the buckle 16, the demonstration board 2 is fixed and is convenient for the student to watch, meanwhile, the device can also be arranged at other parts outside the classroom, the mounting board 1 is fixedly arranged through the fixing screw, then the demonstration board 2 is arranged on the surface of the mounting board 1, the teaching demonstration can be conveniently arranged at multiple places, the demonstration board 2 can be conveniently carried through the hand-held handle 19, when the demonstration board 2 needs to be overhauled, the fixing rod 15 is rotated to be disconnected with the buckle 16, the demonstration board 2 can smoothly reach the left end of the supporting board 6 under the action of the, lug 11 this moment is located draw-in groove 13's position, will demonstrate board 2 shift out can, it is comparatively convenient to overhaul.
The top and the bottom that spring 21 one end was kept away from to backup pad 6 all are provided with flange 14, and the 14 surperficial rotations of flange of backup pad 6 bottom are connected with dead lever 15, the fixed slot has been seted up to the tip of dead lever 15, the 14 fixed surface of flange at backup pad 6 top is connected with buckle 16, and the 16 joints of buckle are in the fixed slot of the 15 tip of dead lever, the lateral wall of dead lever 15 and the lateral wall contact of demonstration board 2, play the effect of blockking to demonstration board 2 through being connected of dead lever 15 and buckle 16, the realization is fixed to demonstration board 2.
The bottom symmetry fixedly connected with link 9 of slide bar 5, the bottom symmetry fixedly connected with on demonstration board 2 surface hangs knot 10, and hang knot 10 joint on the link 9 surface, the top fixedly connected with gag lever post 7 on demonstration board 2 surface, and the outside fixedly connected with fixed rope of gag lever post 7, the intermediate position fixedly connected with fixed knot 8 on slide bar 5 surface, the fixed rope tip joint in the gag lever post 7 outside is in the fixed knot 8 outside, realize the fixed to folding cloth 4 through being connected of link 9 and knot 10, make folding cloth 4 expand the back and play better sheltering from the effect to display screen 3, better dustproof effect has been played display screen 3, through fixed rope and 8's connection, play the fixed action when folding cloth 4 is folded, prevent that slide bar 5 from gliding influence from watching.
The bottom of demonstration board 2 is symmetry fixedly connected with supporting legs 23, plays the fixed stay effect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. The utility model provides a higher mathematics matrix presentation device, includes mounting panel (1) and demonstration board (2), its characterized in that: the surface mounting of mounting panel (1) has demonstration board (2), the spacing groove has been seted up on the surface of demonstration board (2), and spacing inslot fixed mounting has folding cloth (4), the bottom fixedly connected with slide bar (5) of folding cloth (4), and slide bar (5) cooperation sliding connection is in the spacing groove, the spacing inslot fixed mounting on demonstration board (2) surface has display screen (3), folding cloth (4) are connected on the surface of display screen (3), the equal fixedly connected with backup pad (6) in top and the bottom on mounting panel (1) surface, and the surface of backup pad (6) sets up spout (12) that have the horizontal direction, two draw-in grooves (13) have been seted up on backup pad (6) surface, and draw-in groove (13) and spout (12) inside intercommunication, the equal fixedly connected with lug (11) in surface four corners that display screen (3) one side was kept away from to demonstration board (2), and lug (11) joint is in draw-in groove (13), lug (11) cooperation sliding connection is in draw-in groove (13), equal fixedly connected with spring (21) in backup pad (6), and the tip fixedly connected with push pedal (22) of spring (21), push pedal (22) cooperation sliding connection is in spout (12), and push pedal (22) keep away from one side and lug (11) contact of spring (21), demonstration board (2) one side embedding installation permanent magnet (18) are kept away from in mounting panel (1).
2. A matrix presentation device according to claim 1, characterised in that: the top and the bottom that spring (21) one end was kept away from in backup pad (6) all are provided with flange (14), and flange (14) surface rotation of backup pad (6) bottom is connected with dead lever (15), the fixed slot has been seted up to the tip of dead lever (15), flange (14) surface fixed connection at backup pad (6) top has buckle (16), and buckle (16) joint in the fixed slot of dead lever (15) tip, the lateral wall of dead lever (15) and the lateral wall contact of demonstration board (2).
3. A matrix presentation device according to claim 1, characterised in that: the bottom symmetry fixedly connected with link (9) of slide bar (5), the bottom symmetry fixedly connected with on demonstration board (2) surface hangs knot (10), and hangs knot (10) joint on link (9) surface, the top fixedly connected with gag lever post (7) on demonstration board (2) surface, and the fixed rope of outside fixedly connected with of gag lever post (7), the intermediate position fixedly connected with on slide bar (5) surface is fixed to be detained (8), the fixed rope tip joint in the gag lever post (7) outside is in fixed knot (8) outside.
4. A matrix presentation device according to claim 1, characterised in that: mounting holes (17) are formed in four corners of the surface of the mounting plate (1).
5. A matrix presentation device according to claim 1, characterised in that: the top center of demonstration board (2) fixedly connected with handle (19), and the outside fixedly connected with antiskid cover (20) of handle (19).
6. A matrix presentation device according to claim 1, characterised in that: the bottom of the demonstration board (2) is symmetrically and fixedly connected with supporting legs (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921628517.XU CN210777221U (en) | 2019-09-27 | 2019-09-27 | Higher mathematics matrix presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921628517.XU CN210777221U (en) | 2019-09-27 | 2019-09-27 | Higher mathematics matrix presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210777221U true CN210777221U (en) | 2020-06-16 |
Family
ID=71042779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921628517.XU Expired - Fee Related CN210777221U (en) | 2019-09-27 | 2019-09-27 | Higher mathematics matrix presentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210777221U (en) |
-
2019
- 2019-09-27 CN CN201921628517.XU patent/CN210777221U/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 |
Granted publication date: 20200616 Termination date: 20210927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |