CN209822210U - Successful case display device of economic management - Google Patents
Successful case display device of economic management Download PDFInfo
- Publication number
- CN209822210U CN209822210U CN201920717204.5U CN201920717204U CN209822210U CN 209822210 U CN209822210 U CN 209822210U CN 201920717204 U CN201920717204 U CN 201920717204U CN 209822210 U CN209822210 U CN 209822210U
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- cabinet body
- economic management
- connecting seat
- rotating shaft
- adjusting
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Abstract
The utility model provides a successful case display device of economic management, effectual among the prior art of having solved simple structure, the function singleness, the show area is little, and the paper case after puting up is hardly taken off, and the cull is difficult for cleaing away, changes troublesome problem. The multifunctional intelligent cabinet comprises a cabinet body, the axis of rotation is installed at the top of the cabinet body, synchronous pulley is installed in the axis of rotation, synchronous belt is installed on the synchronous pulley, a first connecting seat is connected to the synchronous belt, an annular chute is formed in the top of the cabinet body, a sliding plate is arranged in the annular chute in a sliding mode, the sliding plate is connected with a second connecting seat, the first connecting seat is connected with the second connecting seat, a rotating shaft is installed on the sliding plate, a gear is installed at the lower end of the rotating shaft, a display. The utility model discloses effectively solved simple structure among the prior art, the function singleness, problem that the show area is little has still solved the paper case after posting and hardly takes off, and the cull is difficult for cleaing away, changes troublesome problem, has brought huge convenience for economic management case show work.
Description
Technical Field
The utility model relates to an economic management learns field, specifically is successful case display device of economic management.
Background
Economic management is the science of studying the rational organization and regularity of social and economic activities. In particular, economic management is the science of studying the regularity of making decisions, planning, organizing, commanding, regulating and supervising socioeconomic activities.
Along with the development of society, the application of economic management is also more and more extensive, the people who study economic management is also more and more, and in the learning process of economic management, can generally learn many successful cases of economic management, and the successful case lets the learner freely watch through the mode of show basically, and present case show method mainly demonstrates through the mode of posting printed paper case on the show board, and present show board simple structure, the function is single, and the space is comparatively limited, and the effective area that can supply the show is less, is unfavorable for watching, influences the learning effect, and the paper case after posting is difficult to take off, and the cull is difficult to clear away, and it is comparatively troublesome to change.
There are also some successful cases where the presentation uses multimedia, but multimedia does not fit anywhere:
1. the display device is not a teaching device;
2. the display device does not necessarily have multimedia in place, e.g., a hall at an exhibition, an open exhibition hall, similar to that of a museum;
3. not all devices are suitable for multimedia presentations, such as physical objects, entities, real data, books, articles, etc. to be presented for a successful case;
4. the high cost of multimedia.
Therefore, the utility model provides a successful case display device of economic management solves above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
To the situation, for overcoming prior art's defect, the utility model provides a successful case display device of economic management, effectual among the prior art of having solved simple structure, the function singleness, the show area is little, is unfavorable for watching, and paper case after posting is hardly taken off, and the cull is difficult for cleaing away, changes comparatively troublesome problem.
The successful case display device for economic management is characterized by comprising a cabinet body, the interior of the cabinet body is a cavity, the left end and the right end of the top of the cabinet body are respectively and rotatably provided with a rotating shaft penetrating through the top of the cabinet body, two rotating shafts are respectively and fixedly provided with a synchronous belt wheel positioned above the cabinet body, two synchronous belt wheels are provided with synchronous belts, the outer side of each synchronous belt is connected with a plurality of first connecting seats, the top of the cabinet body is provided with an annular chute positioned around the synchronous belts, a plurality of sliding plates are slidably arranged in the annular chute, one side of each sliding plate is respectively and integrally connected with a second connecting seat, the first connecting seats are respectively and correspondingly connected with a second connecting seat, each sliding plate is respectively and rotatably provided with a vertical rotating shaft, the lower ends of the rotating shafts are respectively and fixedly provided with gears positioned above the sliding plates, and the upper ends of the rotating, two arc racks which are positioned on the left side and the right side of the annular sliding groove and are meshed with the gears respectively are installed at the top of the cabinet body, the lower end of the rotating shaft at the left end of the cabinet body is connected with a motor positioned in a cavity of the cabinet body, and the motor is connected with a power supply.
Preferably, the bottom of the sliding plate is provided with a pulley, and the pulley is slidably arranged in the annular sliding chute.
Preferably, a connecting plate is fixedly installed between the first connecting seat and the second connecting seat.
Preferably, the first connecting seat is rotatably provided with a connecting plate, and the other end of the connecting plate is rotatably connected to the second connecting seat.
Preferably, the lower extreme an organic whole of show support is connected with the regulation turbine, adjusts the turbine and rotates the upper end of connecting in the pivot, the upper end of pivot is rotated and is installed and adjust turbine intermeshing's regulation worm, adjusts the one end fixedly connected with adjustment handle of worm.
Preferably, the show support includes the penetrating supporting beam in both ends, and the bottom of supporting beam rotates installs the adjust knob who runs through the supporting beam bottom, and the one end fixed mounting that adjust knob is located the supporting beam has adjusting gear, slidable mounting has two mutual confrontation and simultaneously with adjusting gear intermeshing's spur rack in the supporting beam, and the one end an organic whole of spur rack is connected with vertical rack.
Preferably, the left end face of the placing rack is provided with a vertical placing groove, a through placing rack mounting hole is formed in the front side wall of the placing groove, a connecting rod is slidably mounted in the mounting hole, one end, located in the placing groove, of the connecting rod is connected with a pressing plate, a spring located between the pressing plate and the right side wall of the placing groove is mounted on the connecting rod, the diameter of the spring is larger than that of the mounting hole, one end, located outside the placing rack, of the connecting rod is rotatably connected with a clamping knob, the rear end face of the clamping knob is provided with a hemispherical first lug, and the front end face of the placing rack is provided with a hemispherical second.
Preferably, a bearing support is fixedly mounted in the cabinet body, a rotating shaft at the left end of the cabinet body is rotatably mounted in the bearing support, a driven bevel gear located below the bearing support is connected to the lower end of the rotating shaft, and a driving bevel gear meshed with the driven bevel gear is fixedly mounted on the rotating shaft of the motor.
Preferably, a glass cover is installed at the top of the cabinet body.
The utility model discloses a hold-in range mechanism, spout and rack and pinion mechanism, effectual among the prior art of having solved simple structure, the function singleness, the show area is little, is unfavorable for the problem of watching, still utilizes knob, clamp plate and spring, has solved the paper case after posting and hardly takes off, and the cull is difficult for cleaing away, changes comparatively troublesome problem, has brought huge convenience for the successful case show work of economic management.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic top view of the present invention.
Fig. 4 is a schematic perspective sectional view of the present invention.
Fig. 5 is a perspective view of the display stand of the present invention.
Fig. 6 is a schematic top view of the display stand according to the present invention.
Fig. 7 is a schematic view of a right-side section of the display stand of the present invention.
Fig. 8 is a perspective view of the rack of the present invention.
Fig. 9 is a perspective view of the pressing plate of the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 9. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The first embodiment of the present invention relates to a successful case display device for economic management, which comprises a cabinet body 1 with a cavity inside, wherein the left and right ends of the top of the cabinet body 1 are respectively rotatably provided with a vertical rotating shaft 2 penetrating the top of the cabinet body 1, the rotating shaft 2 can rotate on the top of the cabinet body 1, the rotating shaft 2 is respectively and fixedly provided with a synchronous pulley 3 positioned above the cabinet body 1, and the common connection modes such as key connection or pin connection can be adopted, so that the two synchronous pulleys can rotate along with the rotating shaft, two synchronous pulleys 3 are provided with a synchronous belt 4, the outer side of the synchronous belt 4 is connected with a plurality of first connection seats 5, a certain distance is arranged between each first connection seat 5, the first connection seats 5 can rotate along with the synchronous belt, the top of the cabinet body (1) is provided with an annular chute 6 positioned around the synchronous belt 4, the synchronous belt mechanism is surrounded by an annular chute 6, a plurality of sliding plates 7 are slidably mounted in the annular chute 6, the sliding plates 7 can freely slide in the annular chute 6, one side of each sliding plate 7 is respectively and integrally connected with a second connecting seat 8, each first connecting seat 5 is correspondingly connected with one second connecting seat 8, so that the synchronous belt 4 can drive the sliding plates 7 to slide in the annular chute 6 through the first connecting seats 5, a plurality of sliding plates 7 are rotatably mounted with vertical rotating shafts 9, the rotating shafts 9 can rotate in the sliding plates 7, the lower ends of the rotating shafts 9 are respectively and fixedly mounted with gears 10 positioned above the sliding plates 7, the gears 10 can rotate along with the rotating shafts 9, the upper ends of the rotating shafts 9 are respectively and rotatably connected with display brackets 11, paper cases can be placed on the display brackets 11, and the front faces of the paper cases are opposite to viewers, the rotary shaft 9 is connected with the display bracket 11 through a bolt, the display bracket 11 can rotate back and forth on the rotary shaft 9, the display angle of the display bracket 11 can be adjusted according to the display requirement, two arc-shaped racks 12 which are positioned at the left and right sides of the annular chute 6 and can be meshed with the gear 10 respectively are installed at the top of the cabinet body 1, when the synchronous belt 4 drives the sliding block 7 to slide to the arc-shaped rack 12 at the left side, the gear 10 starts to be meshed with the arc-shaped rack 12 at the left side, the gear 10 drives the rotary shaft 9 to start to rotate 180 degrees, the display bracket 11 on the rotary shaft 9 also rotates 180 degrees, so that when the display bracket 11 reaches the rear side of the synchronous belt 4 along with the sliding block 7, the front side of a paper case on the display bracket 11 can always face a viewer, when the synchronous belt 4 drives the sliding block 7, the gear 10 drives the rotating shaft 9 to start to rotate 180 degrees, the display support 11 on the rotating shaft 9 also rotates 180 degrees, so that when the display support 11 reaches the front side of the synchronous belt 4 along with the sliding block 7, the front side of a paper case on the display support 11 can always face to a viewer, the function can be calculated by calculating the transmission ratio of the gear rack and the length of the arc-shaped rack, the calculation of the transmission ratio is a technology known by technical personnel in the field, the description is omitted here, the lower end of the rotating shaft 2 at the left end of the cabinet body 1 is connected with the motor 13 positioned in the cavity of the cabinet body 1, the motor 13 can drive the rotating shaft 2, thereby providing power for the whole display device, the rotating speed of the motor 13 cannot be too fast, the speed reducing motor can.
In the second embodiment, on the basis of the first embodiment, the bottom of the sliding plate 7 is rotatably installed with a pulley 14, the pulley 14 is slidably installed in the annular chute 6, and when the sliding plate 7 is driven by the timing belt 4 to slide, the pulley 14 can rotate along the annular chute 6 in the annular chute 6.
Third embodiment, on the basis of first embodiment, fixed mounting has connecting plate 15 between first connecting seat 5 and the second connecting seat 8, and the one end and the first connecting seat 5 fixed connection of connecting plate 15, the other end and the second connecting seat 8 fixed connection of connecting plate 15 can directly drive sliding block 7 synchronous rotation when first connecting seat 5 rotates along with hold-in range 4.
Fourth embodiment, on the basis of first embodiment, rotate on first connecting seat 5 and install connecting plate 15, here is not dead connection, can adopt bolted connection, or other common connected mode for connecting plate 15 can rotate on first connecting seat 5, and the other end of connecting plate 15 rotates and connects on second connecting seat 8, and here is not dead connection, can adopt bolted connection, or other common connected mode, makes connecting plate 15 can rotate on first connecting seat 5, when first connecting seat 5 rotates along with hold-in range 4, can drive sliding block 7 and rotate.
Fifth embodiment, on the basis of first embodiment, the lower extreme an organic whole of show support 11 is connected with regulation turbine 16, and regulation turbine 16 rotates to be connected in the upper end of pivot 9, adopts bolted connection between regulation turbine 16 and the pivot 9, but here need not be tied up and is connected, and regulation turbine 16 can rotate on pivot 9, the upper end of pivot 9 is rotated and is installed the regulation worm 17 with regulation turbine 16 intermeshing, rotates regulation worm 17, can drive regulation turbine 16 and rotate to make show support 11 realize the regulation of angle, the one end fixedly connected with adjustment handle 170 of regulation worm 17, through rotating handle 170, can rotate regulation worm 17.
Sixth embodiment, on the basis of first embodiment, show support 11, including the penetrating supporting beam 18 in both ends, supporting beam 18's bottom is rotated and is installed and run through supporting beam 18 bottom adjust knob 19, adjust knob 19 can rotate in supporting beam 18's bottom, and adjust knob 19 is located the one end fixed mounting in supporting beam 18 and has adjusting gear 20, and adjusting gear 20 can rotate along with adjust knob 19 together, sliding mounting has two mutually opposite and simultaneously with adjusting gear 20 intermeshing's straight rack 21 in supporting beam 18, drives adjusting gear 20 through rotatory adjust knob 19 and rotates, and adjusting gear 20 can drive two straight racks 21 and slide left and right in supporting beam 18, and the one end of two straight rack 21 is connected with vertical rack 22 respectively an organic whole, and rack 22 can the straight rack along with the straight rack 21 slides left and right to realize the regulation of distance between two rack 22, to accommodate paper cases of different widths.
Seventh embodiment, on the basis of the sixth embodiment, a vertical placing groove 23 is formed in the left end surface of the placing frame 22, a paper case is placed in the placing groove 23, a mounting hole 24 penetrating through the placing frame 22 is formed in the front side wall of the placing groove 23, a connecting rod 25 is slidably mounted in the mounting hole 24, the connecting rod 25 can axially slide in the mounting hole 24, a pressing plate 26 is connected to one end of the connecting rod 25 located in the placing groove 23, where the connecting rod 25 is connected by a screw thread or other common connection methods, the rear end surface of the pressing plate 26 contacts with the rear side wall of the placing groove 23, a spring 28 located between the pressing plate 26 and the right side wall of the placing groove 23 is mounted on the connecting rod 25, the diameter of the spring 28 is larger than that of the mounting hole 24, the connecting rod 25 slides forward, the spring 28 compresses, the connecting rod 25 drives the pressing plate 26 to slide in the placing groove 23, so that a, the paper case can be placed in the gap, the connecting rod 25 is loosened, the spring 28 is released, the pressing plate 26 is pushed to clamp the paper case, the end, located outside the placing frame 22, of the connecting rod 25 is rotatably connected with the clamping knob 27, the clamping knob 27 can rotate on the connecting rod 25, the rear end face of the clamping knob 27 is provided with two hemispherical first lugs 29, the front end face of the placing frame 22 is provided with a hemispherical second lug 30 located on the right side of the mounting hole 24, when the clamping knob 27 is rotated, when the first lug 29 rotates to the position of the second lug 30, the clamping knob 27 can drive the connecting rod 25 to slide forwards, the pressing plate 26 is separated from the rear side wall of the placing groove 23, and when the clamping knob 27 is rotated to enable the first lug 29 to leave the position of the second lug 30, the pressing plate 26 is overlapped with the rear side wall of the placing groove 23, so that the.
Eighth embodiment, on the basis of the first embodiment, a bearing support 31 is fixedly installed in the cabinet body 1, the rotating shaft 2 at the left end of the cabinet body 1 is rotatably installed in the bearing support 31, the rotating shaft 2 at the left end of the cabinet body 1 can rotate in the bearing support 31, the lower end of the rotating shaft 2 is connected with a driven bevel gear 32 located below the bearing support 31, a driving bevel gear 33 meshed with the driven bevel gear 32 is fixedly installed on the rotating shaft of the motor 13, the motor drives the driven bevel gear 32 through the driving bevel gear 33, and the driven bevel gear 32 drives the rotating shaft 2 to rotate, so as to provide power for the whole display device.
Ninth embodiment, on the basis of the first embodiment, the top of the cabinet body 1 is provided with the glass cover 34, and the glass cover 34 can be hinged with the cabinet body 1 and also can be fixed above the cabinet body 1, so that the display device can be prevented from being touched by the viewer, and dust can also be prevented.
During the specific operation, firstly, the adjusting knob 19 is rotated according to the paper cases to be displayed to adjust the distance between the two placing frames 22, then the clamping knob 27 is rotated to separate the pressing plate 26 from the rear side wall of the placing groove 23, the paper cases to be displayed are placed between the pressing plate 26 and the rear side wall of the placing groove 23, the front side of the paper cases faces the front of the display device, the clamping knob 27 is rotated after the paper cases are placed, the paper cases are clamped by the pressing plate 26 and the rear side wall of the placing groove 23, then the adjusting handle 170 is rotated according to the display requirement, the adjusting worm 17 drives the adjusting turbine 16 to rotate, so as to adjust the angle of the display bracket 11, after the preparation work is completed, the motor 13 is started, the synchronous pulley 3 starts to rotate, the synchronous belt 4 drives the sliding plate 7 to slide along the annular chute 6, when the sliding plate 7 slides to the, the gear 10 is meshed with the arc-shaped rack 12 on the left side, at the moment, the gear 10 drives the rotating shaft 9 to rotate 180 degrees on the sliding plate 7, meanwhile, the synchronous belt 4 continues to drive the sliding plate 7 to slide along the annular sliding groove 6, after the sliding plate 7 reaches the rear part of the synchronous belt 4 through the arc-shaped gear 12, the front face of the paper case on the display bracket 11 still can face the front of the display device, when the sliding plate 7 slides to the arc-shaped rack 12 on the right side, the gear 10 starts to be meshed with the arc-shaped rack 12 on the right side, at the moment, the gear 10 drives the rotating shaft 9 to rotate 180 degrees on the sliding plate 7, meanwhile, the synchronous belt 4 continues to drive the sliding plate 7 to slide along the annular sliding groove 6, after the sliding plate 7 reaches the front part of the synchronous belt 4 through the arc-.
The utility model discloses a hold-in range mechanism, spout and rack and pinion mechanism, effectual among the prior art of having solved simple structure, the function singleness, the show area is little, is unfavorable for the problem of watching, still utilizes knob, clamp plate and spring, has solved the paper case after posting and hardly takes off, and the cull is difficult for cleaing away, changes comparatively troublesome problem, and the show work of successful case has brought huge convenience for economic management.
Claims (9)
1. The successful case display device for economic management is characterized by comprising a cabinet body (1) with a cavity inside, wherein the left end and the right end of the top of the cabinet body (1) are respectively rotatably provided with a rotating shaft (2) penetrating through the top of the cabinet body (1), the two rotating shafts (2) are respectively and fixedly provided with a synchronous belt pulley (3) positioned above the cabinet body (1), the two synchronous belt pulleys (3) are provided with synchronous belts (4), the outer side of each synchronous belt (4) is connected with a plurality of first connecting seats (5), the top of the cabinet body (1) is provided with an annular chute (6) positioned around the synchronous belts (4), the annular chute (6) is internally provided with a plurality of sliding plates (7), one side of each sliding plate (7) is respectively and integrally connected with a second connecting seat (8), the first connecting seats (5) are respectively and correspondingly connected with a second connecting seat (8), it is a plurality of all rotate on sliding plate (7) and install vertical pivot (9), it is a plurality of the lower extreme of pivot (9) is fixed mounting respectively has gear (10) that are located sliding plate (7) top, and is a plurality of the upper end of pivot (9) is rotated respectively and is connected with show support (11), two arc rack (12) that are located the annular spout (6) left and right sides and can respectively and gear (10) intermeshing are installed at the top of the cabinet body (1), and the lower extreme of axis of rotation (2) of the cabinet body (1) left end is connected with motor (13) that are located the cavity of the cabinet body (1), and power supply is connected in motor (13).
2. Economic management success case showing device according to claim 1, characterized in that the bottom of the sliding plate (7) is rotatably mounted with a pulley (14), the pulley (14) being slidably mounted in the annular chute (6).
3. The economic management success case showing device according to claim 1, characterized in that a connecting plate (15) is fixedly installed between the first connecting seat (5) and the second connecting seat (8).
4. The successful case showing device for economic management according to claim 1, characterized in that a connecting plate (15) is rotatably mounted on the first connecting seat (5), and the other end of the connecting plate (15) is rotatably connected to the second connecting seat (8).
5. The successful case display device for economic management according to claim 1, characterized in that the lower end of the display bracket (11) is integrally connected with an adjusting turbine (16), the adjusting turbine (16) is rotatably connected to the upper end of the rotating shaft (9), the upper end of the rotating shaft (9) is rotatably provided with an adjusting worm (17) meshed with the adjusting turbine (16), and one end of the adjusting worm (17) is fixedly connected with an adjusting handle (170).
6. The successful case display device of economic management according to claim 1, characterized in that the display support (11) comprises a supporting beam (18) with two through ends, an adjusting knob (19) penetrating through the bottom of the supporting beam (18) is rotatably installed at the bottom of the supporting beam (18), an adjusting gear (20) is fixedly installed at one end of the adjusting knob (19) located in the supporting beam (18), two mutually opposite straight racks (21) meshed with the adjusting gear (20) are slidably installed in the supporting beam (18), and one end of each straight rack (21) is integrally connected with a vertical placing frame (22).
7. The economic management success case showing device according to claim 6, a vertical placing groove (23) is formed in the left end face of the placing frame (22), a mounting hole (24) penetrating through the placing frame (22) is formed in the front side wall of the placing groove (23), a connecting rod (25) is slidably mounted in the mounting hole (24), one end of the connecting rod (25) positioned in the placing groove (23) is connected with a pressing plate (26), a spring (28) positioned between the pressing plate (26) and the side wall of the placing groove (23) is arranged on the connecting rod (25), the diameter of the spring (28) is larger than that of the mounting hole (24), one end of the connecting rod (25) positioned outside the placing frame (22) is rotatably connected with a clamping knob (27), a hemispherical first bump (29) is arranged on the rear end surface of the clamping knob (27), the front end face of the placing frame (22) is provided with a hemispherical second bump (30) positioned on the right side of the mounting hole (24).
8. The successful case showing device for economic management according to claim 1, wherein a bearing bracket (31) is fixedly installed in the cabinet body (1), the rotating shaft (2) at the left end of the cabinet body (1) is rotatably installed in the bearing bracket (31), the lower end of the rotating shaft (2) is connected with a driven bevel gear (32) positioned below the bearing bracket (31), and a driving bevel gear (33) which is engaged with the driven bevel gear (32) is fixedly installed on the rotating shaft of the motor (13).
9. The economic management success case showing device according to claim 1, characterized in that a glass cover (34) is mounted on the top of the cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920717204.5U CN209822210U (en) | 2019-05-20 | 2019-05-20 | Successful case display device of economic management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920717204.5U CN209822210U (en) | 2019-05-20 | 2019-05-20 | Successful case display device of economic management |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209822210U true CN209822210U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920717204.5U Expired - Fee Related CN209822210U (en) | 2019-05-20 | 2019-05-20 | Successful case display device of economic management |
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| Country | Link |
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| CN (1) | CN209822210U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111161649A (en) * | 2020-02-28 | 2020-05-15 | 朱秧 | Mobile internet big data analysis sample information display device |
| CN115251666A (en) * | 2022-08-09 | 2022-11-01 | 江苏经贸职业技术学院 | Rotatable product display device |
-
2019
- 2019-05-20 CN CN201920717204.5U patent/CN209822210U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111161649A (en) * | 2020-02-28 | 2020-05-15 | 朱秧 | Mobile internet big data analysis sample information display device |
| CN111161649B (en) * | 2020-02-28 | 2021-10-01 | 四川蜀天信息技术有限公司 | Mobile internet big data analysis sample information display device |
| CN115251666A (en) * | 2022-08-09 | 2022-11-01 | 江苏经贸职业技术学院 | Rotatable product display device |
| CN115251666B (en) * | 2022-08-09 | 2023-08-29 | 江苏经贸职业技术学院 | Rotatable product display device |
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Granted publication date: 20191220 Termination date: 20200520 |