CN216383176U - Digital media propagation device for information and communication engineering - Google Patents
Digital media propagation device for information and communication engineering Download PDFInfo
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- CN216383176U CN216383176U CN202122297260.8U CN202122297260U CN216383176U CN 216383176 U CN216383176 U CN 216383176U CN 202122297260 U CN202122297260 U CN 202122297260U CN 216383176 U CN216383176 U CN 216383176U
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- 238000004891 communication Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000013016 damping Methods 0.000 claims description 9
- 230000003028 elevating effect Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a digital media transmission device for information and communication engineering, which comprises a box body, wherein a movable groove is formed in the box body, a fixed plate is fixedly connected to the bottom side wall of the movable groove, a lifting mechanism is arranged in the fixed plate, and a plurality of sealing grooves are formed in the upper side wall of the box body. According to the utility model, the telescopic plate is pushed, the supporting mechanism does not support the display screen any more, the sealing cover is pushed downwards, so that the lifting mechanism slides towards the inside of the movable groove, when the first fixing block is positioned in the inner wall of the sealing groove, the fixing rod is rotated, when the fixing rod penetrates through the through hole, the sealing cover and the rotating plate are fixed with the box body, the device is in a sealing state, when the device is not used, the device is placed in the box body, the device is prevented from being damaged by the outside and impurities in the air from entering the device, the display screen is shielded by the arranged sealing cover and the rotating plate, and the device is prevented from being affected by the rain and being damaged when the device is used outdoors.
Description
Technical Field
The utility model relates to the technical field of information transmission, in particular to a digital media transmission device for information and communication engineering.
Background
Digital media refers to information carriers for recording, processing, transmitting and acquiring processes in the form of binary numbers, and these carriers include digitalized text, graphics, images, sounds, video images, animation and other sensory media, and presentation media representing these sensory media, which are collectively referred to as logical media, and physical media for storing, transmitting and displaying the logical media.
However, in the prior art, the impurities in the air enter the device for a long time, so that the parts of the device are easily damaged, and when the outdoor propaganda is carried out, the playing device is placed outdoors, and when the outdoor propaganda device meets the rainy day suddenly, the rainwater can enter the device, so that the device is damaged, and the video playing cannot be carried out.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a digital media broadcasting device for information and communication engineering to solve the above problems.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an information and digital media propagation device for communication engineering, includes the box, the activity groove has been seted up to the inside of box, fixedly connected with fixed plate on the bottom side wall of activity groove, the inside of fixed plate is equipped with elevating system, a plurality of seal grooves have been seted up on the last lateral wall of box, every be equipped with fixed establishment on the lateral wall of seal groove, be equipped with moving mechanism on the bottom side wall of box, the fixed slot has all been seted up on the both sides wall of box.
As a further improvement scheme of the technical scheme: elevating system includes two spouts and lift groove, the lift groove is seted up in the inside of fixed plate, a plurality of first springs of fixedly connected with are a plurality of on the bottom lateral wall in lift groove the one end fixedly connected with lifter plate of first spring, two the spout is seted up respectively on the both sides wall in lift groove, every sliding connection has a sliding block, two in the inner wall of spout sliding block difference fixed connection is in the both sides wall of lifter plate, be equipped with supporting mechanism on the last lateral wall of lifter plate.
As a further improvement scheme of the technical scheme: the supporting mechanism comprises a supporting plate, the supporting plate is fixedly connected to the upper side wall of the lifting plate, telescopic grooves are formed in the two side walls of the supporting plate, each telescopic groove is fixedly connected to a plurality of second springs on the side walls of the telescopic grooves, the second springs are multiple, one end of each telescopic plate is fixedly connected to the corresponding end of each second spring, and a display screen is fixedly connected to the upper side wall of the supporting plate.
As a further improvement scheme of the technical scheme: fixing mechanism includes a plurality of dead levers and sealed lid, sealed fixed connection of lid is on the last lateral wall of display screen, it has the rotor plate to articulate on the lateral wall of sealed lid, the first fixed block of the equal fixedly connected with in both sides bottom of sealed lid and rotor plate, every the through-hole has been seted up to the inside of first fixed block, and is a plurality of dead lever threaded connection is on the lateral wall of box, and is a plurality of the dead lever runs through the lateral wall of box and seal groove, fixedly connected with second fixed block on the lateral wall of rotor plate, the connecting hole has been seted up on the second fixed block, be equipped with slewing mechanism on the last lateral wall of sealed lid.
As a further improvement scheme of the technical scheme: the rotating mechanism comprises two connecting blocks, wherein the connecting blocks are fixedly connected to the upper side wall of the sealing cover, each connecting block is fixedly connected to the upper side wall of the sealing cover, a rotating groove is formed in the side wall of each connecting block, a movable rod is rotatably connected between the rotating grooves, a connecting rod is fixedly connected to the outer side wall of the movable rod, and a fixing hook is fixedly connected to one end of the connecting rod.
As a further improvement scheme of the technical scheme: the shape of fixed hook is the circular arc setting, the material of fixed hook is the metal material.
As a further improvement scheme of the technical scheme: the length of the connecting rod is smaller than the distance between the connecting block and the second fixing block.
As a further improvement scheme of the technical scheme: the moving mechanism comprises a plurality of moving grooves, the moving grooves are formed in the bottom side wall of the box body, a damping spring is fixedly connected to the side wall of each moving groove, and a moving universal wheel is fixedly connected to one end of each damping spring.
Compared with the prior art, the utility model has the beneficial effects that:
when the display screen lifting device is used, the fixing rod is rotated, is stressed to rotate and moves towards the outside of the side wall of the box body, and after the fixing rod is separated from the through hole, the lifting mechanism drives the display screen to move upwards in the lifting groove, and the display screen is supported on the upper side wall of the box body through the supporting mechanism, so that people can watch the display screen conveniently; after the use is accomplished, take off the fixed hook from the connecting hole, the antiport rotor plate, laminate the lateral wall of rotor plate and sealed lid, promote the expansion plate, supporting mechanism no longer supports the display screen, promote sealed lid downwards, make elevating system slide to the movable trough inside, when first fixed block is located the inner wall of seal groove, the dead lever rotates, when the dead lever runs through the through-hole, sealed lid and rotor plate are fixed with the box, the device is in encapsulated situation, place the device inside the box when not using, avoid outside damage to the device and the impurity access device in the air inside, sealed lid and rotor plate through setting up have the effect of sheltering from to the display screen, meet the rainwater suddenly when avoiding outdoor use, cause the device to wet the damage.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
fig. 1 is a schematic structural diagram of an open state of a digital media broadcasting device for information and communication engineering according to the present invention;
FIG. 2 is a schematic structural diagram of a closed state of a digital media broadcasting device for information and communication engineering according to the present invention;
fig. 3 is a schematic side cross-sectional structural diagram of a digital media dissemination device for information and communication engineering according to the present invention;
FIG. 4 is a schematic top view of a digital media broadcasting device for information and communication engineering according to the present invention;
fig. 5 is a schematic perspective view of a connection between a case and a sealing cover of the digital media transmission device for information and communication engineering according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a box body; 2. a moving groove; 3. a damping spring; 4. moving the universal wheel; 5. a movable groove; 6. a fixing plate; 7. a first spring; 8. a chute; 9. a slider; 10. a lifting plate; 11. a support plate; 12. a telescopic groove; 13. a second spring; 14. a retractable plate; 15. fixing grooves; 16. a sealing groove; 17. fixing the rod; 18. a display screen; 19. a sealing cover; 20. a first fixed block; 21. a through hole; 22. connecting blocks; 23. a rotating groove; 24. a movable rod; 25. a connecting rod; 26. a fixed hook; 27. a second fixed block; 28. connecting holes; 29. and rotating the plate.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, in an embodiment of the present invention, a digital media transmission device for information and communication engineering includes a box body 1, a movable groove 5 is formed inside the box body 1, a fixed plate 6 is fixedly connected to a bottom side wall of the movable groove 5, a lifting mechanism is arranged inside the fixed plate 6, a plurality of sealing grooves 16 are formed on an upper side wall of the box body 1, a fixing mechanism is arranged on a side wall of each sealing groove 16, a moving mechanism is arranged on the bottom side wall of the box body 1, and fixing grooves 15 are formed on both side walls of the box body 1.
Referring to fig. 1, the lifting mechanism includes two sliding grooves 8 and a lifting groove, the lifting groove is formed inside the fixing plate 6, the bottom side wall of the lifting groove is fixedly connected with a plurality of first springs 7, one end of the plurality of first springs 7 is fixedly connected with a lifting plate 10, the two sliding grooves 8 are respectively formed on two side walls of the lifting groove, the inner wall of each sliding groove 8 is slidably connected with a sliding block 9, the two sliding blocks 9 are respectively and fixedly connected to two side walls of the lifting plate 10, a supporting mechanism is arranged on the upper side wall of the lifting plate 10, after the fixing rod 17 is separated from the through hole 21, under the elastic force of the first spring 7, the first spring 7 pushes the lifting plate 10 to slide upwards in the lifting groove, the lifting plate 10 slides to drive the sliding blocks 9 to slide in the inner wall of the sliding grooves 8, meanwhile, the lifting plate 10 pushes the supporting plate 11 to slide upwards, when the expansion plate 14 slides to a position opposite to the fixing groove 15, under the action of the elastic force of the second spring 13, the second spring 13 pushes the expansion plate 14 to slide towards the inner wall of the fixing groove 15, after the expansion plate 14 penetrates through the inner wall of the fixing groove 15, the expansion plate 14 is fixed with the fixing groove 15, the supporting plate 11 is fixed with the box body 1, and the lifting plate 10 does not push the display screen 18 to ascend through the supporting plate 11 any more, so that the display screen 18 can be played stably; after using the completion, after expansion plate 14 and fixed slot 15 separation, sealed 19 covers of promotion downwards, sealed 19 atress of covering promote display screen 18 to slide in the movable groove 5, display screen 18 slides and drives backup pad 11 lapse, backup pad 11 lapse drives lifter plate 10 lapse, lifter plate 10 lapse slides and extrudees first spring 7 in the lapse of lifting groove, place the device inside box 1, seal the processing, avoid inside impurity access device, cause the internals to damage.
Referring to fig. 1, the supporting mechanism includes a supporting plate 11, the supporting plate 11 is fixedly connected to an upper side wall of the lifting plate 10, telescopic slots 12 are respectively formed in two side walls of the supporting plate 11, a plurality of second springs 13 are fixedly connected to a side wall of each telescopic slot 12, one end of each second spring 13 is fixedly connected to a telescopic plate 14, a display screen 18 is fixedly connected to an upper side wall of the supporting plate 11, when the telescopic plate 14 slides to a position opposite to the fixing slot 15, the second springs 13 push the telescopic plate 14 to slide towards an inner wall of the fixing slot 15 under the elastic force of the second springs 13, after the telescopic plate 14 penetrates through the inner wall of the fixing slot 15, the telescopic plate 14 is fixed to the fixing slot 15, the supporting plate 11 is fixed to the box body 1, the lifting plate 10 does not push the display screen 18 to rise through the supporting plate 11 any more, so that the display screen 18 can be played stably; after the device is used, the expansion plate 14 is pushed, the expansion plate 14 is stressed to slide in the inner wall of the expansion groove 12 and extrude the expansion groove 12, and after the expansion plate 14 is separated from the fixed groove 15, the device can be pushed into the box body 1 to protect the device.
Referring to fig. 2, the fixing mechanism includes a plurality of fixing rods 17 and a sealing cover 19, the sealing cover 19 is fixedly connected to an upper sidewall of the display screen 18, a rotating plate 29 is hinged to a sidewall of the sealing cover 19, bottom ends of both sides of the sealing cover 19 and the rotating plate 29 are fixedly connected to first fixing blocks 20, a through hole 21 is formed in each first fixing block 20, the plurality of fixing rods 17 are in threaded connection with a sidewall of the box body 1, the plurality of fixing rods 17 penetrate through sidewalls of the box body 1 and the sealing groove 16, a second fixing block 27 is fixedly connected to a sidewall of the rotating plate 29, a connecting hole 28 is formed in the second fixing block 27, the upper sidewall of the sealing cover 19 is provided with the rotating mechanism, when the fixing mechanism is in an open state, the fixed rod 17 is rotated, the fixed rod 17 is forced to rotate and moves towards the outside of the side wall of the box body 1, when the fixing rod 17 is separated from the through hole 21, the device moves upwards, so that the later video playing is facilitated; in a sealing state, when the first fixing block 20 is positioned in the inner wall of the sealing groove 16, the fixing rod 17 is rotated, and when the fixing rod 17 penetrates through the through hole 21, the sealing cover 19 and the rotating plate 29 are fixed with the box body 1, so that the device is in a sealing state, the entering of impurities in the moving process is reduced, and the device is protected.
Referring to fig. 4, the rotating mechanism includes two connecting blocks 22, the two connecting blocks 22 are both fixedly connected to the upper side wall of the sealing cover 19, a rotating groove 23 is formed in the side wall of each connecting block 22, a movable rod 24 is rotatably connected between the two rotating grooves 23, a connecting rod 25 is fixedly connected to the outer side wall of the movable rod 24, a fixed hook 26 is fixedly connected to one end of the connecting rod 25, the rotating plate 29 and the connecting rod 25 are rotated, the positions of the rotating plate 29 and the connecting rod 25 are adjusted, so that the fixed hook 26 can penetrate through the connecting hole 28 to fix the rotating plate 29, the display screen 18 is prevented from falling down when the display screen 18 is used, the display screen 18 is shielded, and videos cannot be watched; after the use is finished, the fixing hook 26 is taken down from the connecting hole 28, the arranged sealing cover 19 and the rotating plate 29 have a shielding effect on the display screen 18, and the device is prevented from being affected with rainwater suddenly during outdoor use and being damaged due to dampness.
Referring to fig. 3, the fixing hook 26 is formed in an arc shape, the fixing hook 26 is made of metal, so that the rotating plate 29 is fixed conveniently and is not easy to fall off, and the metal has high strength and is not easy to deform.
Referring to fig. 4, the length of the connecting rod 25 is smaller than the distance between the connecting block 22 and the second fixing block 27, and the shorter length of the connecting rod 25 makes the angle of the rotating plate 29 required to rotate larger, so as to prevent the rotating plate 29 from shielding the display screen 18.
Referring to fig. 1, the moving mechanism includes a plurality of moving grooves 2, the moving grooves 2 are formed in the bottom side wall of the box body 1, a damping spring 3 is fixedly connected to the side wall of each moving groove 2, one end of each damping spring 3 is fixedly connected with a moving universal wheel 4, when the moving mechanism moves, the box body 1 is pushed, the box body 1 is stressed to drive the moving universal wheels 4 to rotate, the moving universal wheels 4 rotate to drive the box body 1 to move, vibration during moving is reduced through the arrangement of the damping springs 3, and damage to the display screen 18 is prevented.
The working principle of the utility model is as follows:
when the display screen is opened, the fixing rod 17 is rotated, the fixing rod 17 is forced to rotate and moves towards the outside of the side wall of the box body 1, after the fixing rod 17 is separated from the through hole 21, under the elastic force action of the first spring 7, the first spring 7 pushes the lifting plate 10 to slide upwards in the lifting groove, the lifting plate 10 slides to drive the sliding block 9 to slide in the inner wall of the sliding groove 8, meanwhile, the lifting plate 10 pushes the supporting plate 11 to slide upwards, when the expansion plate 14 slides to a position opposite to the fixing groove 15, under the elastic force action of the second spring 13, the second spring 13 pushes the expansion plate 14 to slide towards the inner wall of the fixing groove 15, after the expansion plate 14 penetrates through the inner wall of the fixing groove 15, the expansion plate 14 is fixed with the fixing groove 15, the supporting plate 11 is fixed with the box body 1, and the lifting plate 10 does not push the display screen 18 to ascend through the supporting plate 11 any more, so that the display screen 18 can be played stably; the rotating plate 29 and the connecting rod 25 are rotated, and the positions of the rotating plate 29 and the connecting rod 25 are adjusted, so that the fixing hook 26 can penetrate through the connecting hole 28 to fix the rotating plate 29, and the phenomenon that the display screen 18 falls down when in use and cannot watch videos is avoided;
when the device is in a sealed state, the fixed hook 26 is taken down from the connecting hole 28, the rotating plate 29 is rotated reversely, the rotating plate 29 is attached to the side wall of the sealing cover 19, the telescopic plate 14 is pushed, the telescopic plate 14 is stressed to slide towards the inner wall of the telescopic groove 12 and extrude the telescopic groove 12, after the telescopic plate 14 is separated from the fixed groove 15, the sealing cover 19 is pushed downwards, the sealing cover 19 is stressed to push the display screen 18 to slide towards the movable groove 5, the display screen 18 slides to drive the supporting plate 11 to slide downwards, the supporting plate 11 slides downwards to drive the lifting plate 10 to slide downwards, the lifting plate 10 slides downwards and extrudes the first spring 7, when the first fixed block 20 is positioned in the inner wall of the sealing groove 16, the fixed rod 17 is rotated, when the fixed rod 17 penetrates through the through hole 21, the sealing cover 19 and the rotating plate 29 are fixed with the box body 1, and the device is in a sealed state;
when the movable universal wheel type display screen is moved, the box body 1 is pushed, the box body 1 is stressed to drive the movable universal wheel 4 to rotate, the movable universal wheel 4 rotates to drive the box body 1 to move, vibration in the movement is reduced through the arrangement of the damping spring 3, and the display screen 18 is prevented from being damaged.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides an information and digital media propagation device for communication engineering, includes the box, its characterized in that, the movable groove has been seted up to the inside of box, fixedly connected with fixed plate on the bottom side wall of movable groove, the inside of fixed plate is equipped with elevating system, a plurality of seal grooves have been seted up on the last lateral wall of box, every be equipped with fixed establishment on the lateral wall of seal groove, be equipped with moving mechanism on the bottom side wall of box, the fixed slot has all been seted up on the both sides wall of box.
2. The digital media propagation device for information and communication engineering as claimed in claim 1, wherein the lifting mechanism includes two sliding grooves and a lifting groove, the lifting groove is formed inside the fixing plate, a plurality of first springs are fixedly connected to the bottom side wall of the lifting groove, a lifting plate is fixedly connected to one end of each of the first springs, the two sliding grooves are formed in two side walls of the lifting groove respectively, a sliding block is slidably connected to the inner wall of each sliding groove, the two sliding blocks are fixedly connected to two side walls of the lifting plate respectively, and a support mechanism is disposed on the upper side wall of the lifting plate.
3. The digital media propagation device for information and communication engineering as claimed in claim 2, wherein the supporting mechanism includes a supporting plate, the supporting plate is fixedly connected to the upper side wall of the lifting plate, two side walls of the supporting plate are respectively provided with a telescopic slot, a plurality of second springs are fixedly connected to the side wall of each telescopic slot, one end of each second spring is fixedly connected to the telescopic plate, and a display screen is fixedly connected to the upper side wall of the supporting plate.
4. The digital media propagation device for information and communication engineering as claimed in claim 1, wherein the fixing mechanism includes a plurality of fixing rods and a sealing cover, the sealing cover is fixedly connected to the upper sidewall of the display screen, the sidewall of the sealing cover is hinged to a rotating plate, the bottom ends of the two sides of the sealing cover and the rotating plate are both fixedly connected to first fixing blocks, each first fixing block is provided with a through hole inside, the fixing rods are in threaded connection with the sidewall of the box body, the fixing rods penetrate through the sidewalls of the box body and the sealing groove, the sidewall of the rotating plate is fixedly connected to a second fixing block, the second fixing block is provided with a connecting hole, and the upper sidewall of the sealing cover is provided with a rotating mechanism.
5. The digital media propagation device for information and communication engineering as claimed in claim 4, wherein the rotation mechanism includes two connection blocks, both of the connection blocks are fixedly connected to the upper sidewall of the sealing cover, a rotation groove is formed on the sidewall of each of the connection blocks, a movable rod is rotatably connected between the two rotation grooves, a connection rod is fixedly connected to the outer sidewall of the movable rod, and a fixed hook is fixedly connected to one end of the connection rod.
6. The digital media propagation device for information and communication engineering as claimed in claim 5, wherein the fixing hook is arc-shaped and made of metal.
7. A digital media propagation device for information and communication engineering as claimed in claim 5, wherein the length of the connection rod is less than the distance between the connection block and the second fixed block.
8. The digital media propagation device for information and communication engineering as claimed in claim 1, wherein the moving mechanism includes a plurality of moving slots, the moving slots are formed in a bottom side wall of the box body, a damping spring is fixedly connected to a side wall of each moving slot, and a moving universal wheel is fixedly connected to one end of each damping spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122297260.8U CN216383176U (en) | 2021-09-23 | 2021-09-23 | Digital media propagation device for information and communication engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122297260.8U CN216383176U (en) | 2021-09-23 | 2021-09-23 | Digital media propagation device for information and communication engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216383176U true CN216383176U (en) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122297260.8U Expired - Fee Related CN216383176U (en) | 2021-09-23 | 2021-09-23 | Digital media propagation device for information and communication engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216383176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114913790A (en) * | 2022-05-31 | 2022-08-16 | 韩美丽 | Territory space division and planning display device |
-
2021
- 2021-09-23 CN CN202122297260.8U patent/CN216383176U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114913790A (en) * | 2022-05-31 | 2022-08-16 | 韩美丽 | Territory space division and planning display device |
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Granted publication date: 20220426 |