CN221595806U - Demonstration device for geometric mathematics teaching - Google Patents
Demonstration device for geometric mathematics teaching Download PDFInfo
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- CN221595806U CN221595806U CN202323618201.1U CN202323618201U CN221595806U CN 221595806 U CN221595806 U CN 221595806U CN 202323618201 U CN202323618201 U CN 202323618201U CN 221595806 U CN221595806 U CN 221595806U
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- 230000007306 turnover Effects 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model relates to the field of mathematical teaching tools and discloses a demonstration device for geometric mathematical teaching, which comprises a box body, wherein a demonstration board is slidably connected to the middle part of the box body, a sealing plate is fixedly connected to the outer side of the demonstration board, a pull rod is fixedly connected to the top of the demonstration board, a supporting block is fixedly connected to the bottom of the demonstration board, a knob is rotatably connected to the middle part of the box body, a pull rope is fixedly connected to the periphery of the knob, an inserting rod is fixedly connected to the other end of the pull rope, the inserting rod is slidably connected to the middle part of the supporting block, and an elastic component is arranged in the middle part of the box body. According to the utility model, the demonstration board can be taken in the box body through the cooperation of the structures such as the pull rope, the inserted link, the support block, the pressure spring and the like, so that the geometric figure board is firstly taken down from the demonstration board when the demonstration board is not required to be used, and then the knob is rotated to wind the pull rope, so that the inserted link is conveniently pulled out from the support block by the pull rope, and the demonstration board can be quickly taken in.
Description
Technical Field
The utility model relates to the field of mathematical education tools, in particular to a demonstration device for geometric mathematical education.
Background
In order to facilitate the understanding of geometric figures, a teacher generally takes a geometric model to carry out lessons, and when the teacher speaks to a place to be understood by the student, the geometric figure model is taken out to be distinguished by the student, and in order to facilitate the demonstration through the geometric figures, the geometric figure model is usually fixed by a demonstration device for geometric mathematics teaching so as to facilitate the demonstration.
Searching, chinese patent bulletin number: CN216287220U discloses a mathematical education geometry presentation device, comprising: the box comprises a box side plate (1), a box bottom plate (2), a box top plate (3) and a demonstration board (4), wherein two ends of the box bottom plate and the box top plate are respectively and fixedly connected with the box side plate vertically, the box side plate, the box bottom plate and the box top plate form a main box body, the demonstration board is inserted above the box top plate, a strip-shaped groove (5) is formed in the top of the box top plate, two jacks (6) are symmetrically formed in the strip-shaped groove, positioning inserting columns (7) are inserted in the jacks, the positioning inserting columns are fixedly connected with the demonstration board, and the demonstration board is vertically connected with the box top plate.
According to the technology, the magnetic sheets of the geometric pattern plate and the iron sheet of the demonstration board are mutually adsorbed, the geometric patterns of different structures can be independently demonstrated or combined on the iron sheet at will, so that students can know the geometric pattern structures more intuitively, the interaction between teachers and students is facilitated, the learning interest of the students is improved, but in the practical use process, the demonstration board is fixed at the top of the box body through the positioning inserting column, so that the demonstration board is inconvenient to store, the large space in the teaching room is still occupied when the demonstration board is not needed, students are blocked from watching classroom blackboard learning easily, and therefore, the demonstration device for geometric mathematics teaching is provided to solve the problems.
Disclosure of utility model
In order to make up for the defects, the utility model provides a demonstration device for geometric mathematics teaching, and aims to solve the problems that a demonstration board is inconvenient to store and is easy to block students from watching a blackboard when the demonstration device is not needed in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a presentation device for geometry math teaching, includes the box, the middle part sliding connection of box has the demonstration board, the outside fixedly connected with closing plate of demonstration board, the top fixedly connected with pull rod of demonstration board, the bottom fixedly connected with riding block of demonstration board, the middle part of box rotates and is connected with the knob, the periphery fixedly connected with stay cord of knob, the other end fixedly connected with inserted bar of stay cord, inserted bar sliding connection is in the middle part of riding block, the mid-mounting of box has elastic component, the middle part fixedly connected with rubber pad of box, the middle part sliding connection of box has the receiver.
Further, the elastic component comprises a blocking block, the blocking block is fixedly connected to the periphery of the inserted link, and a compression spring is sleeved on the periphery of the pull rope.
Further, the middle part sliding connection of box has the fly leaf, the bottom of fly leaf rotates and is connected with the universal wheel, the interior top of box with the equal fixedly connected with horizontal pole in top of fly leaf, the middle part fixedly connected with round bar of horizontal pole, the middle part sliding connection of horizontal pole has the slide bar, the outer turnover of round bar is connected with bracing two, the other end of bracing two rotates and connects the periphery of slide bar, the outer turnover of slide bar is connected with bracing one, the other end of bracing one rotates and connects the periphery of round bar, bracing one with the middle part rotation of bracing two is connected with the pivot, drive assembly is installed to the periphery of slide bar.
Further, the drive assembly includes the connecting rod, connecting rod fixed connection is in the middle part of bracing one, the outer turnover of slide bar is connected with electric putter, electric putter's the other end is rotated and is connected in the periphery of connecting rod.
Further, the outside fixedly connected with stopper of riding block, the spacing groove has been seted up at the middle part of box, stopper sliding connection is in the middle part of spacing groove.
Further, an adjusting rod is rotatably connected to the inside of the box body, and the pull rope is in contact with the adjusting rod.
Further, a sliding groove is formed in the middle of the cross rod, and the sliding rod is connected to the middle of the sliding groove in a sliding mode.
Further, the outside fixedly connected with articulated seat of box, the middle part hinged joint of articulated seat has the hand push rod.
The utility model has the following beneficial effects:
1. According to the utility model, the demonstration board can be taken in the box body through the cooperation of the structures such as the pull rope, the inserted link, the supporting block and the pressure spring, so that the geometric figure board is firstly taken down from the demonstration board when the demonstration board is not needed to be used, and then the knob is rotated to roll the pull rope, so that the inserted link is conveniently pulled out of the supporting block by the pull rope, the demonstration board can be quickly stored, the demonstration board is prevented from being blocked from being watched by students to learn the blackboard, and the practicability of the demonstration device is improved.
2. According to the utility model, the demonstration device can be regularly arranged by the universal wheel through the cooperation of the structures such as the electric push rod, the movable plate, the universal wheel, the sliding rod and the like, so that the demonstration device can be quickly moved to a proper position by the universal wheel when the demonstration device is needed to be used, the learning and knowing effects of students on the geometric figure plate magnetically adsorbed on the demonstration plate can be conveniently improved, the geometric figure plate can be moved to avoid blocking when the geometric figure plate is not used, and meanwhile, the box body can be directly located on the ground after the universal wheel is retracted, so that the stability of the time delay device can be improved.
Drawings
Fig. 1 is a schematic perspective view of a demonstration device for geometric mathematics teaching;
Fig. 2 is a schematic structural view of a knob of a demonstration device for geometric mathematics teaching according to the present utility model;
Fig. 3 is a schematic structural view of a limiting block of the demonstration device for geometric mathematics teaching;
Fig. 4 is a schematic structural diagram of a pull rope of the demonstration device for geometric mathematics teaching;
Fig. 5 is a schematic structural diagram of an electric putter of a demonstration device for geometric mathematics teaching according to the present utility model;
fig. 6 is a schematic structural view of a cross bar of a demonstration device for geometric mathematics teaching.
Legend description:
1. A case; 2. a storage box; 3. a hinge base; 4. a hand push rod; 5. a demonstration board; 6. a pull rod; 7. a sealing plate; 8. a knob; 9. a support block; 10. a limiting block; 11. a pull rope; 12. an adjusting rod; 13. a block; 14. a rod; 15. a pressure spring; 16. a rubber pad; 17. a limit groove; 18. a movable plate; 19. a cross bar; 20. a round bar; 21. a slide bar; 22. a first diagonal brace; 23. a second diagonal brace; 24. a chute; 25. a connecting rod; 26. an electric push rod; 27. a rotating shaft; 28. and a universal wheel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a presentation device for geometry mathematics teaching, including box 1, the middle part sliding connection of box 1 has demonstration board 5, the outside fixedly connected with closing plate 7 of demonstration board 5, the top fixedly connected with pull rod 6 of demonstration board 5, the bottom fixedly connected with backing block 9 of demonstration board 5, the middle part rotation of box 1 is connected with knob 8, the periphery fixedly connected with stay cord 11 of knob 8, the other end fixedly connected with inserted bar 14 of stay cord 11, inserted bar 14 sliding connection is at the middle part of backing block 9.
When the demonstration board is used, firstly, the geometric figure board which is magnetically attracted to the demonstration board 5 is taken down, then the knob 8 is rotated to roll up the pull rope 11, so that the pull rope 11 can pull the inserting rod 14 to slide out from the middle part of the supporting block 9, the demonstration board 5 can slide into the middle part of the box body 1, the demonstration board 5 is taken in the box body 1, the demonstration board 5 is prevented from blocking a student to watch a blackboard, the practicability of the demonstration device is improved, and meanwhile, dust cannot enter the middle part of the box body 1 through a gap after the demonstration board 5 is taken in under the action of the sealing plate 7.
Referring to fig. 2-4, the mid-mounting of box 1 has elastic component, elastic component includes stop 13, stop 13 fixed connection is in the periphery of inserted bar 14, the periphery cover of stay cord 11 is equipped with pressure spring 15, the inside rotation of box 1 is connected with adjusts pole 12, stay cord 11 contacts with adjusting pole 12, the middle part fixedly connected with rubber pad 16 of box 1, the middle part sliding connection of box 1 has receiver 2, the outside fixedly connected with stopper 10 of support 9, limit groove 17 has been seted up at the middle part of box 1, stopper 10 sliding connection is at the middle part of limit groove 17.
During the use, the inserted link 14 can drive the stop 13 and extrude pressure spring 15 when being pulled, during the use presentation device, pull out presentation board 5 from the middle part of box 1 through pull rod 6, presentation board 5 drives the support block 9 and removes together simultaneously, and guarantee the stability that presentation board 5 removed under the effect of spacing groove 17 and stopper 10, so that the through-hole on the support block 9 can align with the inserted link 14, thereby realize that pressure spring 15 can promote stop 13, insert the middle part of support block 9 with the inserted link 14, carry out quick fixed to presentation board 5, be convenient for take out the geometric figure board of accomodating in the receiver 2, and fix under the effect of magnetic adsorption and demonstrate for the student on presentation board 5.
Referring to fig. 1, 5 and 6, the middle part sliding connection of box 1 has fly leaf 18, the bottom of fly leaf 18 rotates and is connected with universal wheel 28, the equal fixedly connected with horizontal pole 19 of the top of interior top of box 1 and fly leaf 18, the middle part fixedly connected with round bar 20 of horizontal pole 19, the middle part sliding connection of horizontal pole 19 has slide bar 21, spout 24 has been seted up at the middle part of horizontal pole 19, slide bar 21 sliding connection is in the middle part of spout 24, the outer turnover of round bar 20 is connected with bracing two 23, the other end rotation of bracing two 23 is connected at the periphery of slide bar 21, the outer turnover of slide bar 21 is connected with bracing one 22, the other end rotation of bracing one 22 is connected at the periphery of round bar 20, the middle part rotation of bracing one 22 and bracing two 23 is connected with pivot 27, the periphery of slide bar 21 is installed driving assembly, driving assembly includes connecting rod 25, connecting rod 25 is fixedly connected at the middle part of bracing one 22, the outer turnover of slide bar 21 is connected with electric putter 26, the other end rotation of electric putter 26 is connected at the periphery of connecting rod 25, the outer turnover of box 1 is fixedly connected with the middle part 3, hinge joint 3 of articulated seat of articulated arm 4.
When the demonstration device is used, the electric push rod 26 is driven to push and pull the connecting rod 25 and the slide rod 21, so that the first inclined strut 22 and the second inclined strut 23 can be pulled along with the slide rod 21, and are unfolded by taking the rotating shaft 27 as the center, the first inclined strut 22 and the second inclined strut 23 can push the movable plate 18 to move downwards when being unfolded, and the movable plate 18 can drive the universal wheel 28 to move together when moving, so that the universal wheel 28 can jack up the demonstration device, the demonstration device can be moved to a position convenient for students to observe when in use, the learning effect of the students on the magnetic adsorption geometric figure plate on the demonstration board 5 is improved, and the universal wheel 28 can be taken into the box 1 after being moved to a proper position, so that the box 1 can be directly located on the ground, and the stability is improved.
Working principle: the knob 8 is rotated to wind the stay cord 11, thereby pull out the inserted link 14 from the support block 9, so that the demonstration board 5 can be taken in the middle part of the box 1, the support block 9 can drive the stop block 13 to extrude the pressure spring 15 when being pulled simultaneously, when the demonstration board 5 is pulled out through the pull rod 6, the demonstration board 5 can drive the support block 9 to move together, when the through hole on the support block 9 moves to be aligned with the inserted link 14, the pressure spring 15 can push the inserted link 14 to insert into the middle part of the support block 9 so as to fix the demonstration board 5 for use, thereby the demonstration board 5 is conveniently taken in, and the occupation space is reduced.
The electric push rod 26 is driven to push the connecting rod 25, so that the first inclined strut 22 and the second inclined strut 23 can be opened by taking the rotating shaft 27 as the center, the first inclined strut 22 and the second inclined strut 23 can push the movable plate 18 to move downwards, the movable plate 18 can drive the universal wheels 28 to move together while moving, so that the universal wheels 28 can jack up the demonstration device, the demonstration device can move under the action of the universal wheels 28, so that the demonstration device can move to a position convenient for students to watch when in use, and the demonstration device can be pushed away to avoid blocking when not in use.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a presentation device for geometry mathematical education, includes box (1), its characterized in that: the utility model discloses a box, including demonstration board (5), the outside fixedly connected with closing plate (7) of demonstration board (5), the top fixedly connected with pull rod (6) of demonstration board (5), the bottom fixedly connected with backing block (9) of demonstration board (5), the middle part of box (1) is rotated and is connected with knob (8), the periphery fixedly connected with stay cord (11) of knob (8), the other end fixedly connected with inserted bar (14) of stay cord (11), inserted bar (14) sliding connection is in the middle part of backing block (9), the mid-mounting of box (1) has elastic component, the middle part fixedly connected with rubber pad (16) of box (1), the middle part sliding connection of box (1) has receiver (2).
2. The demonstration device for geometric mathematics teaching according to claim 1, wherein: the elastic assembly comprises a blocking block (13), the blocking block (13) is fixedly connected to the periphery of the inserting rod (14), and a compression spring (15) is sleeved on the periphery of the pull rope (11).
3. The demonstration device for geometric mathematics teaching according to claim 1, wherein: the middle part sliding connection of box (1) has fly leaf (18), the bottom of fly leaf (18) rotates and is connected with universal wheel (28), the interior top of box (1) with the equal fixedly connected with horizontal pole (19) in top of fly leaf (18), the middle part fixedly connected with round bar (20) of horizontal pole (19), the middle part sliding connection of horizontal pole (19) has slide bar (21), the outer turnover of round bar (20) is connected with bracing two (23), the other end rotation of bracing two (23) is connected with the periphery of slide bar (21), the outer turnover of slide bar (21) is connected with bracing one (22), the other end rotation of bracing one (22) is connected with the periphery of round bar (20), bracing one (22) with the middle part rotation of bracing two (23) is connected with pivot (27), drive assembly is installed to the periphery of slide bar (21).
4. A geometric mathematics teaching demonstration device according to claim 3 wherein: the driving assembly comprises a connecting rod (25), the connecting rod (25) is fixedly connected to the middle of the first inclined strut (22), an electric push rod (26) is connected to the outer turnover of the sliding rod (21), and the other end of the electric push rod (26) is rotationally connected to the periphery of the connecting rod (25).
5. The demonstration device for geometric mathematics teaching according to claim 1, wherein: the outer side of the support block (9) is fixedly connected with a limiting block (10), a limiting groove (17) is formed in the middle of the box body (1), and the limiting block (10) is slidably connected to the middle of the limiting groove (17).
6. The demonstration device for geometric mathematics teaching according to claim 1, wherein: an adjusting rod (12) is rotatably connected to the inside of the box body (1), and the pull rope (11) is in contact with the adjusting rod (12).
7. A geometric mathematics teaching demonstration device according to claim 3 wherein: a sliding groove (24) is formed in the middle of the cross rod (19), and the sliding rod (21) is connected to the middle of the sliding groove (24) in a sliding mode.
8. The demonstration device for geometric mathematics teaching according to claim 1, wherein: the outer side of the box body (1) is fixedly connected with a hinge seat (3), and the middle part of the hinge seat (3) is hinged with a hand push rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323618201.1U CN221595806U (en) | 2023-12-29 | 2023-12-29 | Demonstration device for geometric mathematics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323618201.1U CN221595806U (en) | 2023-12-29 | 2023-12-29 | Demonstration device for geometric mathematics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221595806U true CN221595806U (en) | 2024-08-23 |
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ID=92417759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323618201.1U Active CN221595806U (en) | 2023-12-29 | 2023-12-29 | Demonstration device for geometric mathematics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221595806U (en) |
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2023
- 2023-12-29 CN CN202323618201.1U patent/CN221595806U/en active Active
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