CN114259158A - Real-time display device of astronomical calendar outdoor scene - Google Patents
Real-time display device of astronomical calendar outdoor scene Download PDFInfo
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- CN114259158A CN114259158A CN202111564881.6A CN202111564881A CN114259158A CN 114259158 A CN114259158 A CN 114259158A CN 202111564881 A CN202111564881 A CN 202111564881A CN 114259158 A CN114259158 A CN 114259158A
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Abstract
The invention discloses an astronomical calendar real-scene real-time display device which comprises a base, wherein one side of the base is provided with a base table, one side of the base table is provided with a sundial for observers, one side of the sundial is provided with a sundial, and one side of the sundial is provided with a rotating component for simulating the change of the irradiation angle of sunlight to the sundial in one day.
Description
Technical Field
The invention relates to the technical field of astronomical calendars, in particular to an astronomical calendars real-time display device.
Background
The astronomical calendar means that the Chinese ancient calendar adopts a yin-yang combined calendar, namely, the movement period of the sun is taken as a year, the life-circle period of the moon is taken as a month, and leap months are used for coordinating the relationship between the year and the month. According to the position change of the sun within one year and the evolution sequence of the ground climate caused by the position change, the ancient people divide the year into 24 segments which are listed in twelve months to reflect the conditions of four seasons, temperature, climate and the like.
A sundial is a device for displaying astronomical histories most vividly in ancient times, and is originally meant as the shadow of the sun. Modern sundial refers to a timing instrument for measuring time by using sunshadows in ancient times of human beings, and is also called as a sundial. The principle is that the projection direction of the sun is utilized to measure and divide the time, and the time is generally composed of a dial (watch) and a dial surface (watch base with scales). The method for using the sundial for timing is an important invention of human beings in the field of astronomical timing, and the invention is used by human beings for thousands of years.
Because its special timing mode, therefore sundial show environment is generally with outdoor many, and if the visitor wanted to know in the middle of the day this moment, the sun shines the angle change of projection to sundial, and only relies on the rotation of sun self to observe the projection change of sundial will waste a large amount of time to have the irreversibility, and then be difficult to reach good bandwagon effect.
Therefore, an astronomical calendar real-time display device is provided.
Disclosure of Invention
The invention aims to provide a real-time display device for astronomical calendar live-action, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the real-time display device for the astronomical calendar live-action comprises a base, wherein a base station is arranged on one side of the base, a sundial for observation of visitors is arranged on one side of the base station, a sundial is arranged on one side of the sundial, and a rotating assembly for simulating the change of the irradiation angle of sunlight in one day to the sundial is arranged on one side of the sundial.
Preferably, the rotating assembly comprises a turntable located on one side of the sundial, a first rotating shaft is arranged inside the turntable, a fixed column is arranged on one side of the turntable, and a spherical bulb used for simulating sunlight is arranged on one side of the fixed column.
Preferably, a driving assembly for providing rotating power for the rotating disc is arranged on one side of the rotating disc, the driving assembly comprises a first gear located outside a first rotating shaft, a second gear meshed with the first gear is arranged on one side of the first gear, a second rotating shaft is arranged inside the second gear, a first fixed block is arranged outside the second rotating shaft, a micro motor is arranged on one side of the second rotating shaft, a second fixed block is arranged on one side of the micro motor, a first bevel gear is arranged outside the second rotating shaft, a second bevel gear meshed with a tooth block of the first bevel gear is arranged on one side of the first bevel gear, a third rotating shaft is arranged on one side of the second bevel gear, a third fixed block is arranged outside the third rotating shaft, a third bevel gear is arranged at one end of the third rotating shaft, a fourth bevel gear meshed with the third bevel gear is arranged on one side of the third bevel gear, a fourth rotating shaft is arranged on one side of the fourth bevel gear, and a fourth fixed block is arranged outside the fourth rotating shaft, the outer portion of the rotating shaft IV is provided with a fifth bevel gear, one side of the fifth bevel gear is provided with a sixth bevel gear meshed with the fifth bevel gear, one side of the sixth bevel gear is provided with a butt-joint rotating shaft, the outer portion of the butt-joint rotating shaft is provided with a fifth fixed block, one side of the butt-joint rotating shaft is provided with a fifth rotating shaft, and the fifth rotating shaft penetrates through the base and is provided with a knob at one side.
Preferably, be equipped with between butt joint pivot and the pivot five and make pivot five drive the butt joint pivot and carry out the spacing subassembly of pivoted, spacing subassembly includes spacing post, the inside of butt joint pivot is equipped with the recess that supplies spacing post male.
Preferably, one side of the fifth rotating shaft is provided with a sliding assembly for limiting the sliding of the fifth rotating shaft, the sliding assembly comprises a sliding block, one side of the sliding block is provided with a sliding rod, and a sliding chute for the sliding rod to slide is formed in the base.
Preferably, one side of the fixed column is provided with an alignment component for assisting a visitor to observe the projection angle of the sundial, the alignment component comprises a sleeve positioned on one side of the fixed column, a sliding column is arranged inside the sleeve and comprises an arc surface part, one side of the sliding column is provided with a spring, and a limiting hole for inserting the sliding column is formed inside the sundial.
Preferably, one side of the base is provided with spherical glass for wrapping the sundial, the spherical glass is made of transparent materials, and a visitor can directly observe the sundial from the outside.
Preferably, a display screen is arranged on one side of the base station, and when the projection of the sundial rotates to different solar terms on the sundial, the display screen plays explanation of the solar terms corresponding to the display screen.
Preferably, one side of the sundial is provided with a ring of annular mirror surface, and the annular mirror surface can perform diffuse reflection on light emitted by the spherical bulb.
The invention has at least the following beneficial effects:
in the process of exhibition, a micro motor or a manual rotation knob provides power for the rotation of a second rotating shaft, the second rotating shaft drives a second gear and a first gear to be meshed with each other for rotation, the first gear drives a turntable on one side of the first gear to rotate, a fixed column on one side of the turntable drives a spherical bulb to do circular motion along the center of a sundial surface and irradiate the sundial in multiple angles, compared with the prior art, due to a special timing mode, the sundial exhibition environment is generally abundant outdoors, at the moment, if a visitor wants to know the angle change of projection irradiated by the sun to the sundial in one day, the visitor only depends on the rotation of the sun to observe the projection change of the sundial, a large amount of time is wasted, and the sundial has irreversibility and further cannot achieve good exhibition effect, the invention utilizes a rotating component to simulate the irradiation angle change of the equatorial sundial in one day, meanwhile, the driving assembly can be used for automatically or manually simulating the surrounding speed and direction of the sun respectively, so that the projection angle of the sundial in one day can be observed rapidly, a large amount of time is saved, and a good display effect is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial sectional view of the present invention;
FIG. 3 is an enlarged view of the structure of area A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the area B of FIG. 2 according to the present invention;
FIG. 5 is a schematic view of a driving assembly according to the present invention;
FIG. 6 is an enlarged view of the structure of area C of FIG. 5;
FIG. 7 is a cross-sectional view of the alignment assembly of the present invention;
FIG. 8 is a schematic view of another angle structure of the present invention.
In the figure: 1-a base; 2-base station; 3-sundial; 4-a dial needle; 5-a rotating assembly; 6-a drive assembly; 7-a limiting component; 8-a sliding assembly; 9-an alignment assembly; 10-ball glass; 11-a display screen; 12-mirror surface; 51-a turntable; 52-fixed column; 53-ball type bulb; 54-rotating shaft one; 61-gear one; 62-gear two; 63-rotating shaft two; 64-fixed block one; 65-bevel gear one; 66-a micro motor; 67-fixed block two; 68-bevel gear two; 69-fixed block III; 610-bevel gear three; 611-bevel gear four; 612-rotation axis four; 613-fixed block four; 614-bevel gear five; 615-bevel gear six; 616-fixed block five; 617-butting the rotating shaft; 618-rotating shaft five; 619-knob; 620-rotating shaft three; 71-a limiting column; 72-a groove; 81-a slide block; 82-a slide bar; 83-a chute; 91-a sleeve; 92-a spring; 93-a strut; 931-arc surface portion; 94-limiting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides an astronomical calendar live-action real-time display device, includes base 1, one side of base 1 is equipped with base station 2, one side and base 1 fixed connection of base station 2, one side of base station 2 is equipped with sundial 3 that supplies the visitor to observe, one side of sundial 3 is equipped with sundial 4, and sundial 4 perpendicular to sundial face and one end and sundial 3 fixed connection, one side of sundial 3 is equipped with and is used for simulating the sunlight in one day to the rotation component 5 that sundial 4 shines the angle change utilizes rotation component 5, can make the visitor will observe the sun projection change of shining sundial 4 in one day fast, for direct observation, has saved a large amount of time, and the flexibility is higher.
The rotating assembly 5 comprises a rotating disc 51 positioned on one side of the sundial 3, a first rotating shaft 54 is arranged inside the rotating disc 51, two ends of the first rotating shaft 54 are fixedly connected with the sundial 3 and the base platform 2 respectively, the rotating disc 51 is rotatably connected with the first rotating shaft 54, a fixed column 52 is arranged on one side of the rotating disc 51, one side of the fixed column 52 is fixedly connected with the rotating disc 51, a spherical bulb 53 used for simulating sunlight is arranged on one side of the fixed column 52, one side of the spherical bulb 53 is fixedly connected with the fixed column 52, during display, the rotating disc 51 drives the spherical bulb 53 at one end of the fixed column 52 to rotate around the center of the sundial 3, the spherical bulb 53 can simulate the function of the sun, multi-angle irradiation is carried out on the sundial 4, and observation of the sundial 3 by a visitor is facilitated.
One side of carousel 51 is equipped with the drive assembly 6 that provides rotation power for carousel 51, drive assembly 6 is including being located the outside gear 61 of pivot 54, one side and carousel 51 fixed connection of gear 61, one side of gear 61 is equipped with rather than the engaged with gear two 62, gear one 61 and the rotation of gear two 62 intermeshing, the inside of gear two 62 is equipped with pivot two 63, pivot two 63 and gear two 62 fixed connection, the outside of pivot two 63 is equipped with fixed block one 64, one side and base station 2 fixed connection of fixed block one 64, fixed block one 64 and pivot two 63 rotate to be connected, one side of pivot two 63 is equipped with micro motor 66, pivot two 63 and micro motor 66's axis of rotation fixed connection, one side of micro motor 66 is equipped with fixed block two 67, and micro motor 66 is fixed in one side of base station 2 through fixed block two 67, a first bevel gear 65 is arranged outside the rotating shaft II 63, the first bevel gear 65 is fixedly connected with the rotating shaft II 63, a second bevel gear 68 meshed with a tooth block of the first bevel gear 65 is arranged on one side of the first bevel gear 65, the second bevel gear 68 is meshed with the first bevel gear 65 to rotate, a third rotating shaft 620 is arranged on one side of the second bevel gear 68, a third fixed block 69 is arranged outside the third rotating shaft 620, one side of the third fixed block 69 is fixedly connected with the base platform 2, the third fixed block 69 is rotatably connected with the third rotating shaft 620, a third bevel gear 610 is arranged at one end of the third rotating shaft 620, two ends of the third rotating shaft 620 are respectively fixedly connected with the second bevel gear 68 and the third bevel gear 610, a fourth bevel gear 611 meshed with the third bevel gear 610 is arranged on one side of the third bevel gear 610, the fourth bevel gear 611 and the third bevel gear 610 are mutually meshed to rotate, a fourth rotating shaft 612 is arranged on one side of the fourth bevel gear 611, a fourth fixed block 613 is arranged outside the fourth rotating shaft 612, one side of a fixed block IV 613 is fixedly connected with the base station 2 and is rotationally connected with a rotating shaft IV 612, a bevel gear V614 is arranged outside the rotating shaft IV 612, both a bevel gear IV 611 and the bevel gear V614 are fixedly connected with the rotating shaft IV 612, a bevel gear VI 615 meshed with the bevel gear V614 is arranged on one side of the bevel gear V614, the bevel gear VI 615 and the bevel gear V614 are meshed with each other to rotate, a butting rotating shaft 617 is arranged on one side of the bevel gear VI 615, the butting rotating shaft 617 is fixedly connected with the bevel gear VI 615, a fixed block V616 is arranged outside the butting rotating shaft 617, one side of the fixed block V616 is fixedly connected with the base station 2, the fixed block V616 is rotationally connected with the butting rotating shaft 617, a rotating shaft V618 is arranged on one side of the butting rotating shaft 617, the rotating shaft V618 penetrates through the base 1 and the spherical glass 10, and a knob 619 is arranged on one side of the base station 1, one side of the knob 619 is fixedly connected with the rotating shaft V618, and when the turntable 51 is required to rotate, the first mode is that the micro motor 66 is directly utilized to drive the second rotating shaft 63 to rotate, the second gear 62 and the first gear 61 are further meshed with each other to rotate, and the spherical bulb 53 on one side of the turntable 51 is further driven to rotate along the center of the sundial 3; the other mode can increase the interactivity of the display device, firstly, the switch of the micro motor 66 is turned off, then the rotary knob 619 is used for inserting the rotary shaft five 618 into the butt joint rotary shaft 617 and rotating the rotary shaft five 618, at the moment, the bevel gear six 615 drives the bevel gear five 614 to rotate, further, the bevel gear four 611 drives the bevel gear three 610 to rotate, the rotation of the bevel gear three 610 enables the bevel gear two 68 to drive the bevel gear one 65 to rotate in a mutual meshing manner, finally, the rotary shaft two 63 rotates and drives the rotary table 51 to rotate, and a visitor can adjust the rotation direction and the rotation speed of the projection of the sundial 4 through the direction and the rotation speed of the rotary knob 619, so that the flexibility of the whole display device is improved, and the sundial phenomenon can be observed more conveniently.
A limiting component 7 which enables the five rotating shafts 618 to drive the five rotating shafts 617 to rotate is arranged between the five rotating shafts 617 and 618, the limiting component 7 comprises a limiting column 71, one side of the limiting column 71 is fixedly connected with the five rotating shafts 618, a groove 72 for the limiting column 71 to insert is arranged in the five rotating shafts 617, the cross section of the limiting column 71 is the same as that of the groove 72, but the five rotating shafts 618 must be rotated to a matched angle to insert the limiting column 71 into the groove 72, the limiting column 71 can be drawn out from the groove 72 in the rotating process of the micro motor 66, the limiting column 71 can be inserted back when manual operation is needed, and operation of visitors is facilitated.
One side of five 618 of pivot is equipped with the slip subassembly 8 that carries out spacing to the slip of five 618 of pivot, slip subassembly 8 includes slider 81, one side of slider 81 is equipped with slide bar 82, one side and slider 81 fixed connection of slide bar 82, the inside of base 1 is equipped with the gliding spout 83 of confession slide bar 82, and slider 81 passes through slide bar 82 and spout 83 sliding connection, and slider 81 inserts the inside of five 618 of pivot and does not run through five 618 of pivot, and when micro motor 66 was the power supply, slider 81 can prevent the slip of five 618 of pivot to prevent that visitor's mistake from bumping knob 619 and making five 618 of pivot misplug butt joint pivot 617 inside, hinder micro motor 66's normal motion.
An alignment assembly 9 for assisting a visitor to observe the projection angle of the sundial 4 is arranged on one side of the fixed column 52, the alignment assembly 9 includes a sleeve 91 positioned on one side of the fixed column 52, one side of the sleeve 91 is fixedly connected with the fixed column 52, a sliding column 93 is arranged inside the sleeve 91, the sliding column 93 is slidably connected with the sleeve 91, the sliding column 93 includes an arc surface 931, one side of the sliding column 93 is provided with a spring 92, two ends of the spring 92 are respectively fixedly connected with the sliding column 93 and the sleeve 91, a plurality of limiting holes 94 for the sliding column 93 to insert are arranged inside the sundial 3, the limiting holes 94 are four in total and are respectively positioned in the east, south, west and north directions of the sundial surface of the sundial 3, the depth of the limiting holes 94 is lower than the length of the arc surface 931 of the sliding column 93, when the fixed column 52 is driven by the turntable 51 to rotate until the sliding column 93 inside the sleeve 91 abuts against the limiting holes 94, the spring 92 can push the sliding column 93 into the limiting holes 94, the rotation can be manually suspended, visitors can more conveniently observe the projection of the sundial 4 in noon, sunrise, sunset and midnight, the display effect is further improved, other directions need to be observed, only the rotary table 51 needs to be rotated slightly with force, and under the combined action of the spring 92 and the cambered surface portion 931, the sliding column 93 shrinks towards the inside of the sleeve 91 and loses the limiting function, so that the spherical bulb 53 on one side of the rotary table 51 continues to rotate.
One side of the base 1 is provided with spherical glass 10 wrapping a sundial 3, one side of the spherical glass 10 is fixedly connected with the sundial 3, the spherical glass 10 is made of transparent materials and has an amplification function, and a visitor can directly observe an amplification picture projected by a sundial 3 and a sundial needle 4 in the sundial from the outside, so that the visitor can observe the amplification picture conveniently.
One side of base station 2 is equipped with display screen 11, and one side and base station 2 fixed connection of display screen 11, when the projection of shadow dial 4 rotates the solar terms of difference on the sundial, display screen 11 will broadcast and explain rather than the explanation of corresponding solar terms, and the content that the observer accessible display screen 11 shows is compared with the sundial and is visited, improves visitor's use experience.
One side of sundial 3 is equipped with round annular mirror surface 12, and one side and sundial 3 fixed connection of annular mirror surface 12, annular mirror surface 12 can carry out diffuse reflection to the light that spherical bulb 53 gived off, and then can carry out light filling processing effectively to the sundial that the environment is darker, makes the visitor observe more clearly.
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 (9)
1. The utility model provides a real-time display device of astronomical calendar outdoor scene, includes base (1), its characterized in that: one side of the base (1) is provided with a base table (2), one side of the base table (2) is provided with a sundial (3) for observers, one side of the sundial (3) is provided with a sundial (4), and one side of the sundial (3) is provided with a rotating assembly (5) for simulating the irradiation angle change of the sundial (4) by sunlight in one day.
2. The real-time exhibition apparatus of astronomical phenomena real scene according to claim 1, wherein: the rotating assembly (5) comprises a rotating disc (51) located on one side of the sundial (3), a first rotating shaft (54) is arranged inside the rotating disc (51), a fixed column (52) is arranged on one side of the rotating disc (51), and a spherical bulb (53) used for simulating sunlight is arranged on one side of the fixed column (52).
3. The real-time exhibition apparatus of astronomical phenomena real scene according to claim 2, characterized in that: one side of the rotating disc (51) is provided with a driving component (6) for providing rotating power for the rotating disc (51), the driving component (6) comprises a first gear (61) positioned outside the first rotating shaft (54), a second gear (62) meshed with the first gear is arranged on one side of the first gear (61), a second rotating shaft (63) is arranged inside the second gear (62), a first fixing block (64) is arranged outside the second rotating shaft (63), a micro motor (66) is arranged on one side of the second rotating shaft (63), a second fixing block (67) is arranged on one side of the micro motor (66), a first bevel gear (65) is arranged outside the second rotating shaft (63), a second bevel gear (68) meshed with a tooth block of the first bevel gear (65) is arranged on one side of the second bevel gear (68), a third rotating shaft (620) is arranged on one side of the third rotating shaft (620), and a third fixing block (69) is arranged outside the third rotating shaft (620), one end of the rotating shaft III (620) is provided with a bevel gear III (610), one side of the bevel gear III (610) is provided with a bevel gear IV (611) meshed with the bevel gear III, one side of the bevel gear IV (611) is provided with a rotating shaft IV (612), the outside of the rotating shaft IV (612) is provided with a fixed block IV (613), the outside of the rotating shaft IV (612) is provided with a bevel gear V (614), one side of the bevel gear V (614) is provided with a bevel gear VI (615) meshed with the bevel gear V, one side of the bevel gear VI (615) is provided with a butt joint rotating shaft (617), the outside of the butt joint rotating shaft (617) is provided with a fixed block V (616), one side of the butt joint rotating shaft (617) is provided with a rotating shaft V (618), the rotating shaft V (618) penetrates through the base (1), and one side of the rotating shaft V (618) is provided with a knob (619).
4. The real-time exhibition apparatus of astronomical phenomena real scene according to claim 3, wherein: a limiting component (7) which enables the five rotating shafts (618) to drive the five rotating shafts (617) to rotate is arranged between the five rotating shafts (617) and the five rotating shafts (618), the limiting component (7) comprises a limiting column (71), and a groove (72) for the limiting column (71) to insert is formed in the five rotating shafts (617).
5. The real-time exhibition apparatus of astronomical phenomena real scene according to claim 3, wherein: one side of five (618) of pivot is equipped with and carries out spacing slip subassembly (8) to the slip of five (618) of pivot, slip subassembly (8) include slider (81), one side of slider (81) is equipped with slide bar (82), the inside of base (1) is equipped with supplies gliding spout (83) of slide bar (82).
6. The real-time exhibition apparatus of astronomical phenomena real scene according to claim 2, characterized in that: one side of fixed column (52) is equipped with supplementary visitor and observes alignment subassembly (9) of shadow dial (4) projection angle, alignment subassembly (9) are including sleeve (91) that are located fixed column (52) one side, the inside of sleeve (91) is equipped with traveller (93), traveller (93) include arc face portion (931), one side of traveller (93) is equipped with spring (92), the inside of sundial (3) is equipped with supplies traveller (93) male spacing hole (94).
7. The real-time exhibition apparatus of astronomical phenomena real scene according to claim 1, wherein: one side of the base (1) is provided with spherical glass (10) wrapping the sundial (3), the spherical glass (10) is made of transparent materials, and visitors can directly observe the inner sundial (3) from the outside.
8. The real-time exhibition apparatus of astronomical phenomena real scene according to claim 2, characterized in that: and a display screen (11) is arranged on one side of the base (2), and when the projection of the sundial (4) rotates to different solar terms on the sundial, the display screen (11) plays explanation of the solar terms corresponding to the display screen.
9. The real-time exhibition apparatus of astronomical phenomena real scene according to claim 2, characterized in that: one side of the sundial (3) is provided with a ring of annular mirror surface (12), and the annular mirror surface (12) can perform diffuse reflection on light emitted by the spherical bulb (53).
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| CN202111564881.6A CN114259158A (en) | 2021-12-20 | 2021-12-20 | Real-time display device of astronomical calendar outdoor scene |
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| CN202111564881.6A CN114259158A (en) | 2021-12-20 | 2021-12-20 | Real-time display device of astronomical calendar outdoor scene |
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| DE10002912A1 (en) * | 2000-01-18 | 2001-07-19 | Liebscher Dierck Ekkehard | Method to manufacture sundial; involves folding sundial in form of convex polyhedron, preferably cube, without using any additional elements, e.g. gnomon |
| CN201556317U (en) * | 2009-07-16 | 2010-08-18 | 广州市新境界装饰设计有限公司 | Dynamic sundial demonstrating instrument |
| CN205609154U (en) * | 2016-05-11 | 2016-09-28 | 河南科技学院 | Concatenation formula manpower resources information display device |
| US20200218200A1 (en) * | 2017-08-31 | 2020-07-09 | Marc Sauzay | Electronic timepiece device indicating the time and the azimuth of the sun by means of a single indicator hand |
| CN107411450A (en) * | 2017-09-09 | 2017-12-01 | 肇庆高新区进化论科技有限公司 | One kind office dedicated voice prompting hold-down bar |
| CN108669924A (en) * | 2018-05-18 | 2018-10-19 | 芜湖众梦电子科技有限公司 | It is a kind of that salesman is facilitated to show that the 3D printer model of products Presentation sells sales counter |
| CN209879762U (en) * | 2018-09-27 | 2019-12-31 | 北京三聚阳光知识产权服务有限公司 | Comment board |
| CN209880063U (en) * | 2019-04-17 | 2019-12-31 | 大气团(北京)文化有限公司 | Interactive display device |
| CN211181237U (en) * | 2019-12-18 | 2020-08-04 | 陈莲枝 | Biological science teaching instrument |
| CN211752243U (en) * | 2019-12-20 | 2020-10-27 | 西安理工大学 | Daily life ability trainer |
| CN211795588U (en) * | 2020-01-13 | 2020-10-30 | 邵阳学院 | Rack that model design is with diversified show |
| CN212480295U (en) * | 2020-06-23 | 2021-02-05 | 扬州华通电动阀门制造有限公司 | Intelligent regulation type electric actuator |
| CN212948372U (en) * | 2020-08-10 | 2021-04-13 | 广州市众盛茶业文化有限公司 | Ceramic processing is with moulding platform |
| CN214631271U (en) * | 2021-02-01 | 2021-11-09 | 华北水利水电大学 | Electronic commerce product display cabinet |
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Application publication date: 20220401 |