CN217521735U - Dynamic demonstration device and dynamic demonstration mechanism for exhibition hall - Google Patents
Dynamic demonstration device and dynamic demonstration mechanism for exhibition hall Download PDFInfo
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- CN217521735U CN217521735U CN202221586379.5U CN202221586379U CN217521735U CN 217521735 U CN217521735 U CN 217521735U CN 202221586379 U CN202221586379 U CN 202221586379U CN 217521735 U CN217521735 U CN 217521735U
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Abstract
The utility model discloses a dynamic presentation device and dynamic presentation mechanism for exhibition hall, include: the first turntable and the second turntable are coaxially arranged, a first grid pattern is arranged on the outer peripheral side of the first turntable, a second grid pattern is arranged on the outer peripheral side of the second turntable, and the rotating directions of the first turntable and the second turntable are opposite; during the rotation of the first turntable and the second turntable, the first grating bar patterns and the second grating bar patterns are staggered in a stacking mode to generate moire fringes. The utility model discloses the rotation of the opposite direction in edge of first carousel and second carousel makes first grid pattern and second grid pattern rotate along the opposite direction, and first grid pattern and second grid pattern overlap and misplace to invariable angle and frequency relative motion produce moire fringe, and utilize the principle of staying of vision, form continuous dynamic picture in spectator's eye, increase the interest, effectively improve the appeal to spectator.
Description
Technical Field
The utility model relates to a science popularization presentation device technical field especially relates to an exhibition hall is with dynamic presentation device and dynamic demonstration mechanism.
Background
When regional culture is displayed, the LED screen is often used for displaying through video and text playing, the display mode is single, and the attraction to audiences is low.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem who exists among the background art, the utility model provides an exhibition hall is with dynamic presentation device and dynamic demonstration mechanism.
The utility model provides a pair of exhibition hall is with dynamic demonstration mechanism, include: the first turntable and the second turntable are coaxially arranged, a first grid pattern is arranged on the outer peripheral side of the first turntable, a second grid pattern is arranged on the outer peripheral side of the second turntable, and the rotating directions of the first turntable and the second turntable are opposite;
during the rotation of the first turntable and the second turntable, the first grating bar patterns and the second grating bar patterns are staggered in a stacking mode to generate moire fringes.
Preferably, the first and second grill patterns are mirror images of each other.
Preferably, the first arc-shaped grid comprises a plurality of first arc-shaped blades which are uniformly arranged at intervals along the circumferential direction of the first rotating disc;
the second arc-shaped grid bars comprise a plurality of second arc-shaped blades which are uniformly arranged at intervals along the circumferential direction of the second rotating disc;
the arc-shaped protruding direction of the second arc-shaped blade is opposite to the arc-shaped protruding direction of the first arc-shaped blade.
Preferably, the ring further comprises a first ring body and a second ring body;
the first ring body is coaxially arranged on the outer peripheral side of the first ring body, one ends of the first arc-shaped blades, far away from the first rotating disc, are fixedly connected with the first ring body, and third arc-shaped blades are arranged on the outer peripheral side of the first ring body;
the second ring body is coaxially arranged on the outer peripheral side of the second rotary table, one end, far away from the second rotary table, of the second arc-shaped blade is fixedly connected with the inner peripheral wall of the second ring body uniformly, and a fourth arc-shaped blade is arranged on the outer peripheral side of the second ring body;
the arc-shaped protruding direction of the fourth arc-shaped blade is opposite to the arc-shaped protruding direction of the third arc-shaped blade.
Preferably, the third arc-shaped blade comprises a first arc-shaped section, a second arc-shaped section and a third arc-shaped section which are sequentially connected outwards along the radial direction, and the arc protruding directions of the first arc-shaped section, the second arc-shaped section and the third arc-shaped section are different;
the third arc-shaped blade comprises a fourth arc-shaped section, a fifth arc-shaped section and a sixth arc-shaped section which are sequentially connected outwards along the radial direction, and the arc protruding directions of the fourth arc-shaped section, the fifth arc-shaped section and the sixth arc-shaped section are different;
the arc projection direction of the fourth arc section is opposite to that of the first arc section, the arc projection direction of the fifth arc section is opposite to that of the second arc section, and the arc projection direction of the sixth arc section is opposite to that of the third arc section.
Preferably, the first and second grill bar patterns are the same.
Preferably, the device further comprises a driving mechanism, the driving mechanism is respectively in driving connection with the first rotating disc and the second rotating disc, and the driving mechanism is used for driving the first rotating disc and the second rotating disc to rotate in opposite directions.
Preferably, the driving mechanism comprises a first motor, a first rotating shaft, a second rotating shaft, a first gear, a second gear, a synchronizing wheel, a driven wheel, a synchronizing belt and a sleeve;
the output shaft of the first motor is coaxially fixed with the first rotating shaft, and the other end of the first rotating shaft penetrates through the middle part of the first rotating disc/the second rotating disc and is coaxially fixed with the middle part of the second rotating disc/the first rotating disc;
the first gear is coaxially fixed on the first rotating shaft, the second gear is rotatably arranged on one side of the first gear, and the second gear is meshed with the first gear;
the driven wheel is rotationally arranged on one side, close to the first rotating disc/the second rotating disc, of the second gear, and the driven wheel and the second gear are coaxially arranged;
one end of the second rotating shaft is coaxially fixed with the second gear, and the other end of the second rotating shaft is coaxially fixed with the driven wheel;
the sleeve is rotatably sleeved on a first rotating shaft between the first gear and the first rotating disc/the second rotating disc and is coaxially and fixedly connected with the first rotating disc/the second rotating disc;
the synchronizing wheel is coaxially fixed on the sleeve at a position corresponding to the driven wheel, and the synchronizing belt is wound between the synchronizing wheel and the driven wheel.
Preferably, an LED light source having a plurality of colors is further included, the LED light source for illuminating the first and second grill bar patterns.
The utility model also provides a dynamic presentation device is used in exhibition hall, including show shelf, LED show screen and at least one as above-mentioned arbitrary one the exhibition hall with dynamic presentation mechanism, LED show screen and show mechanism are all installed on the show shelf.
The utility model discloses in, the exhibition hall that provides uses dynamic presentation device and dynamic presentation mechanism, rotate along opposite direction through the edge opposite direction of first carousel and second carousel and make first grid pattern and second grid pattern rotate along opposite direction, first grid pattern and second grid pattern are folded and are misplaced, produce moire fringe with invariable angle and frequency relative motion, and utilize the principle of staying of vision, form continuous dynamic picture in spectator's eye, increase the interest, effectively improve the appeal to spectator.
Drawings
Fig. 1 is a schematic structural diagram of a display mechanism in an embodiment of the present invention.
Fig. 2 is a schematic structural view of a first grid pattern and a second grid pattern in an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a first grid pattern in another embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a first grid pattern in another embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a first grid pattern and a second grid pattern in another embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a driving mechanism in an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
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 invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1-5, the utility model provides a dynamic demonstration mechanism for exhibition hall, include: the device comprises a first rotating disc 1 and a second rotating disc 2, wherein the first rotating disc 1 and the second rotating disc 2 are coaxially arranged, a first grid pattern is arranged on the outer peripheral side of the first rotating disc 1, a second grid pattern is arranged on the outer peripheral side of the second rotating disc 2, and the rotating directions of the first rotating disc 1 and the second rotating disc 2 are opposite;
during the rotation of the first and second rotating disks 1 and 2, the first and second grating patterns are staggered to produce moire fringes.
The utility model discloses a first carousel 1 and second carousel 2 rotate along opposite direction and make first grid pattern and second grid pattern rotate along opposite direction, and first grid pattern and second grid pattern overlap and misplace to invariable angle and frequency relative motion produce moire fringe, and utilize the principle of staying of vision, form continuous dynamic picture in spectator's eye, increase the interest, effectively improve the appeal to spectator.
In one embodiment, the first and second grating patterns are mirror images of each other.
Referring to fig. 1 and 2, in one embodiment, the first arc-shaped grate comprises a plurality of first arc-shaped blades 3, and the first arc-shaped blades 3 are arranged at intervals and uniformly along the circumferential direction of the first rotating disk 1;
the second arc-shaped grid comprises a plurality of second arc-shaped blades 4, and the second arc-shaped blades 4 are uniformly arranged at intervals along the circumferential direction of the second rotating disc 2;
the arc-shaped protruding direction of the second arc-shaped blade 4 is opposite to the arc-shaped protruding direction of the first arc-shaped blade 3.
Referring to fig. 3, in a further specific embodiment, a first ring 5 and a second ring are also included;
the first ring body 5 is coaxially arranged on the outer peripheral side of the first ring body 5, one ends, far away from the first rotating disc 1, of the first arc-shaped blades 3 are fixedly connected with the first ring body 5, and third arc-shaped blades 6 are arranged on the outer peripheral side of the first ring body 5;
the second ring body is coaxially arranged on the outer peripheral side of the second rotating disc 2, one end, far away from the second rotating disc 2, of the second arc-shaped blade 4 is fixedly connected with the inner peripheral wall of the second ring body, and a fourth arc-shaped blade is arranged on the outer peripheral side of the second ring body;
the arc-shaped protruding direction of the fourth arc-shaped blade is opposite to the arc-shaped protruding direction of the third arc-shaped blade 6.
In a further embodiment, the third arcuate vane 6 has the same direction as the arcuate projection of the first arcuate vane 3, and the fourth arcuate vane has the same direction as the arcuate projection of the second arcuate vane 4.
In a further embodiment, the third arcuate vane 6 has a direction opposite to the direction of the arcuate projection of the first arcuate vane 3 and the fourth arcuate vane has an arcuate projection opposite to the direction of the arcuate projection of the second arcuate vane 4.
Referring to fig. 4, in a further embodiment, the third arc-shaped blade 6 includes a first arc-shaped segment 61, a second arc-shaped segment 62 and a third arc-shaped segment 63 which are sequentially connected radially outward, and the arc-shaped protruding directions of the first arc-shaped segment 61, the second arc-shaped segment 62 and the third arc-shaped segment 63 are different;
the third arc-shaped blade 6 comprises a fourth arc-shaped section, a fifth arc-shaped section and a sixth arc-shaped section which are sequentially connected outwards along the radial direction, and the arc protruding directions of the fourth arc-shaped section, the fifth arc-shaped section and the sixth arc-shaped section are different;
the fourth arc segment is opposite to the arc projection direction of the first arc segment 61, the fifth arc segment is opposite to the arc projection direction of the second arc segment 62, and the sixth arc segment is opposite to the arc projection direction of the third arc segment.
Referring to fig. 5, in another embodiment, the first grill bar pattern and the second grill bar pattern are the same.
In a further embodiment, the first and second grating patterns are rose lines to combine culture with mechanical art to enhance the appeal of the display establishment to the audience.
In the embodiment, the device further comprises a driving mechanism, the driving mechanism is respectively connected with the first rotating disk 1 and the second rotating disk 2 in a driving way, and the driving mechanism is used for driving the first rotating disk 1 and the second rotating disk 2 to rotate in opposite directions.
Referring to fig. 6, in order to rotate the first rotary table 1 and the second rotary table 2 in opposite directions, in one embodiment, the driving mechanism includes a first motor 9, a first rotary shaft 10, a second rotary shaft 14, a first gear 12, a second gear 13, a synchronizing wheel 16, a driven wheel 15, a synchronizing belt 17, and a sleeve 11;
an output shaft of the first motor 9 is coaxially fixed with a first rotating shaft 10, and the other end of the first rotating shaft 10 penetrates through the middle part of the first rotating disc 1/the second rotating disc 2 and is coaxially fixed with the middle part of the second rotating disc 2/the first rotating disc 1;
the first gear 12 is coaxially fixed on the first rotating shaft 10, the second gear 13 is rotatably arranged at one side of the first gear 12, and the second gear 13 is meshed with the first gear 12;
the driven wheel 15 is rotationally arranged on one side of the second gear 13 close to the first rotary table 1/the second rotary table 2, and the driven wheel 15 and the second gear 13 are coaxially arranged;
one end of the second rotating shaft 14 is coaxially fixed with the second gear 13, and the other end of the second rotating shaft is coaxially fixed with the driven wheel 15;
the sleeve 11 is rotatably sleeved on the first rotating shaft 10 between the first gear 12 and the first rotating disc 1/the second rotating disc 2, and the sleeve 11 is coaxially and fixedly connected with the first rotating disc 1/the second rotating disc 2;
the synchronous wheel 16 is coaxially fixed on the sleeve 11 at a position corresponding to the driven wheel 15, and the synchronous belt 17 is wound between the synchronous wheel 16 and the driven wheel 15.
When the device is used, the first motor 9 works to drive the first rotating shaft 10 to rotate, the rotation of the first rotating shaft 10 drives the second rotating disc 2/the first rotating disc 1 to rotate, and simultaneously drives the first gear 12 to rotate; the rotation of the first gear 12 drives the second gear 13 to rotate, the second gear 13 drives the second rotating shaft 14 to rotate, so as to drive the driven wheel 15 to rotate, and the driven wheel 15 drives the synchronous wheel 16 to rotate through the synchronous belt 17; the rotation of the synchronizing wheel 16 causes the sleeve 11 to rotate, thereby causing the first turntable 1/the second turntable 2 to rotate in the opposite direction of rotation to the second turntable 2/the first turntable 1.
The middle of the first rotating disk 1/the second rotating disk 2 is provided with a first through hole for the first rotating shaft 10 to pass through, and the diameter of the first through hole is larger than that of the first rotating shaft 10.
In another specific embodiment, the driving mechanism comprises a second motor, an inner gear ring, two planet wheels, a third gear and a third rotating shaft;
an output shaft of the second motor is coaxially fixed with a third rotating shaft, and one end of the third rotating shaft penetrates through the middle part of the first rotating disc 1/the second rotating disc 2 and is coaxially fixed with the middle part of the second rotating disc 2/the first rotating disc 1;
the inner gear ring is sleeved on the third rotating shaft, and the inner gear ring and one side of the first rotating disc 1/the second rotating disc 2, which is far away from the second rotating disc 2/the first rotating disc 1, are coaxially fixed;
the third gear is coaxially fixed on the third rotating shaft at the position corresponding to the inner gear ring;
two planet wheels rotate respectively and arrange in the both sides of third gear, and two planet wheels all are connected with the third gear meshing, and two planet wheels are connected with the meshing of inner gear ring respectively.
When the device is used specifically, the second motor works to drive the third rotating shaft to rotate, the third rotating shaft rotates to drive the second turntable 2/the first turntable 1 to rotate and simultaneously drive the third gear to rotate, the third gear rotates to respectively drive the two planet gears to rotate, the rotating supports of the two planet gears drive the inner gear ring to rotate, and therefore the first turntable 1/the second turntable 2 is driven to rotate along the rotating direction opposite to that of the second turntable 2/the first turntable 1.
The middle part of the first rotating disk 1/the second rotating disk 2 is provided with a second through hole for the third rotating shaft to pass through, and the diameter of the second through hole is larger than that of the third rotating shaft.
In order to facilitate the driving of the driving mechanism, in this embodiment, the driving mechanism further includes a supporting frame, and the driving mechanism is mounted on the supporting frame.
In order to further enhance the dynamic demonstration effect, in the embodiment, an LED light source with a plurality of colors is further included, and the LED light source is used for illuminating the first grid bar pattern and the second grid bar pattern.
Referring to fig. 7, the utility model also provides a dynamic presentation device is used in exhibition hall, including show shelf, LED show screen and at least one as above-mentioned arbitrary one the exhibition hall with dynamic presentation mechanism, LED show screen and show mechanism all install on the show shelf.
This embodiment so sets up, can increase the mechanical art structure of the region culture of LED show screen show and the show mechanism show of the effect of specifically developments blooming, increases interestingly, effectively increases the appeal to spectator.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. A dynamic demonstration mechanism for exhibition halls is characterized by comprising: the device comprises a first rotary table (1) and a second rotary table (2), wherein the first rotary table (1) and the second rotary table (2) are coaxially arranged, a first grid pattern is arranged on the outer peripheral side of the first rotary table (1), a second grid pattern is arranged on the outer peripheral side of the second rotary table (2), and the rotating directions of the first rotary table (1) and the second rotary table (2) are opposite;
during the rotation of the first rotating disc (1) and the second rotating disc (2), the first grating bar patterns and the second grating bar patterns are staggered in a stacking mode to generate moire fringes.
2. The dynamic presentation mechanism for an exhibition hall as claimed in claim 1, wherein the first grid pattern and the second grid pattern are mirror images of each other.
3. The dynamic demonstration mechanism for the exhibition hall according to claim 2, wherein the first arc-shaped grid comprises a plurality of first arc-shaped blades (3), and the plurality of first arc-shaped blades (3) are arranged at intervals and uniformly along the circumferential direction of the first rotating disc (1);
the second arc-shaped grid bars comprise a plurality of second arc-shaped blades (4), and the second arc-shaped blades (4) are uniformly arranged at intervals along the circumferential direction of the second rotating disc (2);
the arc-shaped protruding direction of the second arc-shaped blade (4) is opposite to the arc-shaped protruding direction of the first arc-shaped blade (3).
4. The dynamic demonstration apparatus for exhibition of claim 3, further comprising a first ring (5) and a second ring;
the first ring body (5) is coaxially arranged on the outer peripheral side of the first ring body (5), one ends, far away from the first rotating disc (1), of the first arc-shaped blades (3) are fixedly connected with the first ring body (5), and third arc-shaped blades (6) are arranged on the outer peripheral side of the first ring body (5);
the second ring body is coaxially arranged on the outer peripheral side of the second rotating disc (2), one end, far away from the second rotating disc (2), of the second arc-shaped blade (4) is fixedly connected with the inner peripheral wall of the second ring body, and a fourth arc-shaped blade is arranged on the outer peripheral side of the second ring body;
the arc-shaped protruding direction of the fourth arc-shaped blade is opposite to the arc-shaped protruding direction of the third arc-shaped blade (6).
5. The dynamic demonstration mechanism for the exhibition hall according to claim 4, wherein the third arc-shaped blade (6) comprises a first arc-shaped section (61), a second arc-shaped section (62) and a third arc-shaped section (63) which are connected in sequence along the radial direction, and the arc protruding directions of the first arc-shaped section (61), the second arc-shaped section (62) and the third arc-shaped section (63) are different;
the third arc-shaped blade (6) comprises a fourth arc-shaped section, a fifth arc-shaped section and a sixth arc-shaped section which are sequentially connected outwards along the radial direction, and the arc protruding directions of the fourth arc-shaped section, the fifth arc-shaped section and the sixth arc-shaped section are different;
the arc projection direction of the fourth arc section is opposite to that of the first arc section (61), the arc projection direction of the fifth arc section is opposite to that of the second arc section (62), and the arc projection direction of the sixth arc section is opposite to that of the third arc section (63).
6. The dynamic presentation mechanism for an exhibition hall of claim 1, wherein the first grid pattern and the second grid pattern are identical.
7. The dynamic demonstrator of any one of claims 1 to 6, further comprising a driving mechanism, wherein the driving mechanism is drivingly connected to the first turntable (1) and the second turntable (2), and the driving mechanism is configured to drive the first turntable (1) and the second turntable (2) to rotate in opposite directions.
8. The dynamic demonstration mechanism for the exhibition hall according to claim 7, characterized in that the driving mechanism comprises a first motor (9), a first rotating shaft (10), a second rotating shaft (14), a first gear (12), a second gear (13), a synchronizing wheel (16), a driven wheel (15), a synchronizing belt (17) and a sleeve (11);
an output shaft of the first motor (9) is coaxially fixed with the first rotating shaft (10), and the other end of the first rotating shaft (10) penetrates through the middle part of the first rotating disc (1)/the second rotating disc (2) and is coaxially fixed with the middle part of the second rotating disc (2)/the first rotating disc (1);
the first gear (12) is coaxially fixed on the first rotating shaft (10), the second gear (13) is rotatably arranged on one side of the first gear (12), and the second gear (13) is meshed with the first gear (12);
the driven wheel (15) is rotationally arranged on one side, close to the first rotating disc (1)/the second rotating disc (2), of the second gear (13), and the driven wheel (15) and the second gear (13) are coaxially arranged;
one end of the second rotating shaft (14) is coaxially fixed with the second gear (13), and the other end of the second rotating shaft is coaxially fixed with the driven wheel (15);
the sleeve (11) is rotatably sleeved on the first rotating shaft (10) between the first gear (12) and the first rotating disc (1)/the second rotating disc (2), and the sleeve (11) is coaxially and fixedly connected with the first rotating disc (1)/the second rotating disc (2);
the synchronizing wheel (16) is coaxially fixed on the sleeve (11) at a position corresponding to the driven wheel (15), and the synchronous belt (17) is wound between the synchronizing wheel (16) and the driven wheel (15).
9. The dynamic demonstration apparatus for an exhibition hall as claimed in claim 1, further comprising an LED light source having a plurality of colors for illuminating the first and second grating patterns.
10. A dynamic demonstration apparatus for exhibition halls, comprising a display stand, an LED display screen and at least one dynamic demonstration apparatus for exhibition halls according to any one of claims 1 to 9, wherein the LED display screen and the display apparatus are mounted on the display stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221586379.5U CN217521735U (en) | 2022-06-22 | 2022-06-22 | Dynamic demonstration device and dynamic demonstration mechanism for exhibition hall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221586379.5U CN217521735U (en) | 2022-06-22 | 2022-06-22 | Dynamic demonstration device and dynamic demonstration mechanism for exhibition hall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217521735U true CN217521735U (en) | 2022-09-30 |
Family
ID=83391149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221586379.5U Active CN217521735U (en) | 2022-06-22 | 2022-06-22 | Dynamic demonstration device and dynamic demonstration mechanism for exhibition hall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217521735U (en) |
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2022
- 2022-06-22 CN CN202221586379.5U patent/CN217521735U/en active Active
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