CN219936547U - Teaching demonstration equipment - Google Patents
Teaching demonstration equipment Download PDFInfo
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- CN219936547U CN219936547U CN202320443845.2U CN202320443845U CN219936547U CN 219936547 U CN219936547 U CN 219936547U CN 202320443845 U CN202320443845 U CN 202320443845U CN 219936547 U CN219936547 U CN 219936547U
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- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 238000004804 winding Methods 0.000 claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 210000003141 lower extremity Anatomy 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of demonstration equipment, in particular to teaching demonstration equipment which comprises a base, a mounting rod, a mounting part, a supporting rod, a protective shell, a fixing rod, a curtain, a connecting part, a connecting rod, a driven wheel, a winding roller, a driving device and a driving wheel, wherein the mounting rod is arranged on the base; the mounting rod is connected with the base, and the connecting part is connected with the mounting rod; the mounting part is connected with a mounting rod; the support rod is connected with the mounting rod in a sliding manner, the mounting rod is provided with a lifting assembly, and the lifting assembly is connected with the support rod in a matched manner; the protective housing connecting rod, connecting rod rotate and connect the protective housing, the wind-up roll connects the connecting rod, drive arrangement connects the protective housing, drive arrangement is connected to the action wheel, from the driving wheel connecting rod, the protective housing is equipped with the through-hole, the wind-up roll is connected to the curtain, the curtain is connected to the dead lever. In the embodiment, the curtain is convenient to automatically retract and put down for use, the universal wheels are arranged at the lower end of the base, so that the curtain and the writing board can be conveniently moved, and the display is flexible; the fixed rod and the installation part are connected with the supporting curtain through two magnetic blocks in a matched manner, and the magnetic blocks are connected with each other for convenient use.
Description
Technical Field
The utility model relates to the technical field of demonstration equipment, in particular to teaching demonstration equipment.
Background
In the architecture of the new media network era, the thinking education is continuously reformed and innovated, and the limitation of the current thinking education is broken through. The multimedia classrooms of audio-visual demonstration teaching systems generally use visual and auditory means such as slides, films, radios, televisions and the like to explain teaching materials. The audio-visual teaching uses the visual and auditory perception of people in ideological and political teaching to deepen the understanding of the teaching material content.
The Chinese patent with the bulletin number of CN215417055U discloses a demonstration device for teaching, which comprises a storage box and i, rotate on one side inner wall of receiver and be connected with the receiver, around being equipped with demonstration white curtain on one side outer wall of receiver, keep away from on the demonstration white curtain through bolt fixedly connected with pull rod on one side outer wall of receiver, the bottom central point department of pull rod passes through bolt fixedly connected with handle, through glue gluey on one side outer wall of demonstration white curtain and be connected with the soft rubber rib, one side position department that the inside bottom of receiver is close to the soft rubber rib passes through bolt fixedly connected with spacing seat. This a demonstration equipment for teaching through the flexible glue rib and the mutually supporting of spacing runner, can guarantee to demonstrate under the white curtain pull out the time being in the state of flare-out, avoids demonstrating the white curtain fold and causes the unclear problem of follow-up projection ghost, guarantees projected effect, also effectually guarantees to demonstrate white curtain accomodate steady when winding up.
However, the technical scheme has the following defects: in the scheme, the storage box is fixedly arranged, so that the position and the angle of the curtain are inconvenient to adjust; curtain rolls up on accomodating the roller, when needs use the curtain to demonstrate, and manual pulling handle pulls out the curtain, uses inconveniently.
Disclosure of Invention
The utility model aims to solve the problems in the background technology and provides teaching demonstration equipment.
The technical scheme of the utility model is as follows: a teaching demonstration device comprises a base, a mounting rod, universal wheels, a mounting part, a writing board, a supporting rod, a protective shell, a fixing rod, a curtain, a connecting part, a connecting rod, a driven wheel, a winding roller, a driving device and a driving wheel;
the two mounting rods are arranged, one ends of the two mounting rods are connected with the upper end face of the base, the mounting rods are symmetrically distributed on the base, the connecting parts are connected with the two mounting rods, the plurality of universal wheels are arranged, the plurality of universal wheels are connected with the lower end face of the base, and the plurality of universal wheels are uniformly distributed on the base;
the mounting part and the writing board are connected with two mounting rods, the writing board is positioned above the mounting part, and the mounting part is provided with a placing groove;
the two support rods are respectively connected with two mounting rods in a sliding manner, a lifting assembly is arranged on one mounting rod, and the lifting assembly is connected with the corresponding support rod in a matched manner;
the upper ends of two bracing pieces are connected to the protecting crust, and the inner wall of connecting the protecting crust is rotated to the connecting rod, and the connecting rod is connected to the wind-up roll, and wind-up roll and the coaxial distribution of connecting rod, and the inner wall of protecting crust is connected to drive arrangement, and drive wheel connection drive arrangement's transmission shaft from the driving wheel, from driving wheel and connecting rod coaxial distribution, the action wheel is connected with the meshing of driving wheel, is equipped with the through-hole on the protecting crust, and the outer peripheral face of wind-up roll is connected on one side of curtain, and the curtain twines in the outside of wind-up roll, and the through-hole is passed to the other end of curtain, and the lower limb of curtain is connected to the dead lever.
Preferably, the lifting assembly comprises a shell, a knob, a worm, a rotating shaft, a gear and a worm wheel;
the shell is connected with the outer wall of the mounting rod, a rack is arranged on the surface, close to the shell, of the supporting rod, the rotating shaft is rotationally connected with the inner wall of the shell, the gears are connected with the rotating shaft, the gears and the rotating shaft are coaxially distributed, and the gears are meshed with the rack;
the worm wheel is connected with the rotating shaft, the worm wheel and the rotating shaft are coaxially distributed, the worm is rotationally connected with the shell, the worm wheel is meshed with the worm, the knob is connected with the end of the worm, and the knob is positioned on the outer side of the shell.
Preferably, one end of the installation part far away from the installation rod is provided with a first magnetic block, one end of the fixing rod close to the installation rod is provided with a second magnetic block, and the first magnetic block is connected with the second magnetic block in a matched mode.
Preferably, the outer diameter of the driving wheel is smaller than the outer diameter of the driven wheel.
Preferably, the base is provided with two reinforcing ribs, and the two reinforcing ribs are respectively connected with the mounting rod and the upper end face of the base.
Preferably, the wind-up roll is provided with a groove, and the curtain is connected with the groove in a matched manner.
Preferably, the writing board is provided with a plurality of fixing screws, and the fixing screws are in threaded fit connection with the mounting rod.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects:
according to the utility model, the driving device drives the driving wheel to rotate, the driving wheel is in meshed connection with the driven wheel, the driven wheel drives the connecting rod to rotate, the connecting rod drives the wind-up roll to rotate, the curtain on the wind-up roll is slowly put down, the second magnetic block on the fixing rod and the first magnetic block on the mounting part are attracted mutually, and the position of the curtain can be fixed, so that the curtain is kept stable; the writing board can be used when the curtain is retracted, and the mounting part is provided with a placing groove for placing writing pens and the like; the lifting component can drive the supporting rod to slide up and down on the mounting rod, and the height of the further protective shell can be adjusted, so that the display area of the curtain is enlarged; the knob is rotated, the worm is driven to rotate by the knob, the worm wheel is in meshed connection with the worm, the worm wheel drives the rotating shaft and the gear to rotate, the gear is in meshed connection with the rack on the supporting rod, the supporting rod is further driven to slide on the mounting rod, and the height of the protective shell can be adjusted; in the embodiment, the curtain is convenient to automatically retract and put down for use, the universal wheels are arranged at the lower end of the base, so that the curtain and the writing board can be conveniently moved, and the display is flexible; the fixed rod and the installation part are connected with the supporting curtain through two magnetic blocks in a matched manner, and the magnetic blocks are connected with each other for convenient use.
Drawings
Fig. 1 is a perspective view of a teaching demonstration device provided by the utility model.
Fig. 2 is a perspective view illustrating a curtain retracted according to an embodiment of the present utility model.
Fig. 3 is a schematic structural diagram of a teaching demonstration device according to the present utility model.
Fig. 4 is a schematic structural diagram of the inside of the protective shell in the teaching demonstration device.
Fig. 5 is a schematic structural diagram of a lifting assembly in a teaching demonstration device according to the present utility model.
Reference numerals: 1. a base; 2. a mounting rod; 3. a universal wheel; 4. reinforcing ribs; 5. a mounting part; 6. a first magnetic block; 7. a writing board; 8. a housing; 9. a knob; 10. a support rod; 11. a protective shell; 12. a fixed rod; 13. a curtain; 14. a placement groove; 16. a connection part; 17. a worm; 18. a rotating shaft; 19. a rack; 20. a gear; 21. a worm wheel; 22. a connecting rod; 23. driven wheel; 24. a wind-up roll; 25. a driving device; 26. a driving wheel.
Detailed Description
Example 1
As shown in fig. 1-5, the teaching demonstration device provided by the utility model comprises a base 1, a mounting rod 2, a universal wheel 3, a mounting part 5, a writing board 7, a supporting rod 10, a protective shell 11, a fixing rod 12, a curtain 13, a connecting part 16, a connecting rod 22, a driven wheel 23, a winding roller 24, a driving device 25 and a driving wheel 26;
the two mounting rods 2 are arranged, one ends of the two mounting rods 2 are connected with the upper end face of the base 1, the mounting rods 2 are symmetrically distributed on the base 1, the connecting parts 16 are connected with the two mounting rods 2, a plurality of universal wheels 3 are arranged, the plurality of universal wheels 3 are connected with the lower end face of the base 1, and the plurality of universal wheels 3 are uniformly distributed on the base 1;
further, two reinforcing ribs 4 are arranged on the base 1, and the two reinforcing ribs 4 are respectively connected with the mounting rod 2 and the upper end face of the base 1;
the mounting part 5 and the writing board 7 are connected with the two mounting rods 2, the writing board 7 is positioned above the mounting part 5, and the mounting part 5 is provided with a placing groove 14;
further, the writing board 7 is provided with a plurality of fixing screws which are in threaded fit connection with the mounting rod 2;
the two support rods 10 are respectively and slidably connected with the two mounting rods 2, one mounting rod 2 is provided with a lifting component, and the lifting component is in fit connection with the corresponding support rod 10;
the protective shell 11 is connected with the upper ends of the two support rods 10, the connecting rod 22 is rotationally connected with the inner wall of the protective shell 11, the winding roller 24 is connected with the connecting rod 22, the winding roller 24 and the connecting rod 22 are coaxially distributed, the driving device 25 is connected with the inner wall of the protective shell 11, the driving wheel 26 is connected with a transmission shaft of the driving device 25, the driven wheel 23 is connected with the connecting rod 22, the driven wheel 23 and the connecting rod 22 are coaxially distributed, the driving wheel 26 is meshed with the driven wheel 23 and connected with a through hole on the protective shell 11, one side of the curtain 13 is connected with the outer circumferential surface of the winding roller 24, the curtain 13 is wound on the outer side of the winding roller 24, the other end of the curtain 13 penetrates through the through hole, and the fixed rod 12 is connected with the lower edge of the curtain 13;
further, the wind-up roll 24 is provided with a groove, and the curtain 13 is connected with the groove in a matched manner, so that the curtain 13 is prevented from shifting when being retracted;
further, the outer diameter of the driving wheel 26 is smaller than that of the driven wheel 23, and the rotation speed of the driving device 25 is reduced to enable the curtain to be slowly put down and retracted;
further, one end of the installation portion 5 far away from the installation rod 2 is provided with a first magnetic block 6, one end of the fixing rod 12 close to the installation rod 2 is provided with a second magnetic block, the first magnetic block 6 is connected with the second magnetic block in a matched mode, and when the curtain is put down, the second magnetic block on the fixing rod 12 and the first magnetic block 6 on the installation portion 5 are attracted mutually.
In the utility model, the driving device 25 drives the driving wheel 26 to rotate, the driving wheel 26 is in meshed connection with the driven wheel 23, the driven wheel 23 drives the connecting rod 22 to rotate, the connecting rod 22 drives the wind-up roll 24 to rotate, the curtain 13 on the wind-up roll 24 is slowly put down, the second magnetic block on the fixed rod 12 and the first magnetic block 6 on the mounting part 5 are attracted mutually, and the position of the curtain can be fixed, so that the curtain 13 is kept stable; the writing board 7 can be used when the curtain 13 is retracted, and the mounting part 5 is provided with a placing groove 14 for placing writing pens and the like; the lifting assembly can drive the support rod 10 to slide up and down on the mounting rod 2, and the height of the further protective shell 11 can be adjusted, so that the display area of the curtain 13 is enlarged; in the embodiment, the curtain 13 is convenient to automatically retract and put down, the universal wheels 3 are arranged at the lower end of the base 1, so that the curtain 13 and the writing board 7 can be conveniently moved, and the display is flexible; the fixed rod 12 and the installation part 5 are connected with the supporting curtain 13 through two magnetic blocks in a matched mode, and the magnetic blocks are connected with each other and are convenient to use.
Example two
As shown in fig. 4, in comparison with the first embodiment, the lifting assembly of the present utility model includes a housing 8, a knob 9, a worm 17, a rotating shaft 18, a gear 20 and a worm wheel 21;
the shell 8 is connected with the outer wall of the mounting rod 2, a rack 19 is arranged on the surface, close to the shell 8, of the support rod 10, the rotating shaft 18 is rotationally connected with the inner wall of the shell 8, the gear 20 is connected with the rotating shaft 18, the gear 20 and the rotating shaft 18 are coaxially distributed, and the gear 20 is meshed with the rack 19;
the worm wheel 21 is connected with the rotating shaft 18, the worm wheel 21 and the rotating shaft 18 are coaxially distributed, the worm 17 is rotationally connected with the shell 8, the worm wheel 21 is meshed with the worm 17, the knob 9 is connected with the end of the worm 17, and the knob 9 is positioned on the outer side of the shell 8.
In this embodiment, the knob 9 is turned, the knob 9 drives the worm 17 to rotate, the worm wheel 21 is meshed with the worm 17, the worm wheel 21 drives the rotating shaft 18 and the gear 20 to rotate, the gear 20 is meshed with the rack 19 on the supporting rod 10, and further drives the supporting rod 10 to slide on the mounting rod 2, so that the height of the protecting shell 11 can be adjusted.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (7)
1. The teaching demonstration device is characterized by comprising a base (1), a mounting rod (2), universal wheels (3), a mounting part (5), a writing board (7), a supporting rod (10), a protective shell (11), a fixing rod (12), a curtain (13), a connecting part (16), a connecting rod (22), a driven wheel (23), a winding roller (24), a driving device (25) and a driving wheel (26);
the two mounting rods (2) are arranged, one ends of the two mounting rods (2) are connected with the upper end face of the base (1), the mounting rods (2) are symmetrically distributed on the base (1), the connecting parts (16) are connected with the two mounting rods (2), a plurality of universal wheels (3) are arranged, the plurality of universal wheels (3) are connected with the lower end face of the base (1), and the plurality of universal wheels (3) are uniformly distributed on the base (1);
the mounting part (5) and the writing board (7) are connected with two mounting rods (2), the writing board (7) is positioned above the mounting part (5), and the mounting part (5) is provided with a placing groove (14);
the two support rods (10) are respectively and slidably connected with the two mounting rods (2), one mounting rod (2) is provided with a lifting assembly, and the lifting assembly is matched and connected with the corresponding support rod (10);
the upper ends of two bracing pieces (10) are connected in shell (11), the inner wall of shell (11) is connected in connecting rod (22) rotation, wind-up roll (24) connect connecting rod (22), wind-up roll (24) and connecting rod (22) coaxial distribution, the inner wall of shell (11) is connected in drive arrangement (25), the transmission shaft of drive arrangement (25) is connected to action wheel (26), from driving wheel (23) connection connecting rod (22), from driving wheel (23) and connecting rod (22) coaxial distribution, action wheel (26) and from driving wheel (23) meshing are connected, be equipped with the through-hole on shell (11), the periphery of wind-up roll (24) is connected on one side of curtain (13), the outside at wind-up roll (24) is twined to curtain (13), the through-hole is passed to the other end of curtain (13), the lower limb of curtain (13) is connected to dead lever (12).
2. A teaching demonstration device according to claim 1, characterized in that the lifting assembly comprises a housing (8), a knob (9), a worm (17), a shaft (18), a gear (20) and a worm wheel (21);
the shell (8) is connected with the outer wall of the mounting rod (2), a rack (19) is arranged on the surface, close to the shell (8), of the supporting rod (10), the rotating shaft (18) is rotationally connected with the inner wall of the shell (8), the gear (20) is connected with the rotating shaft (18), the gear (20) and the rotating shaft (18) are coaxially distributed, and the gear (20) is meshed with the rack (19);
the worm wheel (21) is connected with the rotating shaft (18), the worm wheel (21) and the rotating shaft (18) are coaxially distributed, the worm (17) is rotationally connected with the shell (8), the worm wheel (21) is meshed with the worm (17), the knob (9) is connected with the end of the worm (17), and the knob (9) is located on the outer side of the shell (8).
3. The teaching demonstration device according to claim 1, wherein one end of the mounting portion (5) far away from the mounting rod (2) is provided with a first magnetic block (6), one end of the fixing rod (12) near the mounting rod (2) is provided with a second magnetic block, and the first magnetic block (6) is connected with the second magnetic block in a matched manner.
4. A teaching demonstration device according to claim 1, characterized in that the outer diameter of the driving wheel (26) is smaller than the outer diameter of the driven wheel (23).
5. The teaching demonstration device according to claim 1, wherein two reinforcing ribs (4) are arranged on the base (1), and the two reinforcing ribs (4) are respectively connected with the mounting rod (2) and the upper end face of the base (1).
6. A teaching demonstration device according to claim 1, characterized in that the wind-up roll (24) is provided with grooves, and the curtain is connected with the grooves in a matching manner.
7. A teaching demonstration device according to claim 1, characterized in that the writing board (7) is provided with a plurality of fixing screws which are in threaded fit connection with the mounting bar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320443845.2U CN219936547U (en) | 2023-03-09 | 2023-03-09 | Teaching demonstration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320443845.2U CN219936547U (en) | 2023-03-09 | 2023-03-09 | Teaching demonstration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219936547U true CN219936547U (en) | 2023-10-31 |
Family
ID=88493711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320443845.2U Active CN219936547U (en) | 2023-03-09 | 2023-03-09 | Teaching demonstration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219936547U (en) |
-
2023
- 2023-03-09 CN CN202320443845.2U patent/CN219936547U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |