CN112833304A - LED display screen back frame with automatic fixing mechanism - Google Patents
LED display screen back frame with automatic fixing mechanism Download PDFInfo
- Publication number
- CN112833304A CN112833304A CN202110093821.4A CN202110093821A CN112833304A CN 112833304 A CN112833304 A CN 112833304A CN 202110093821 A CN202110093821 A CN 202110093821A CN 112833304 A CN112833304 A CN 112833304A
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- Prior art keywords
- folding
- group
- installation
- back frame
- display screen
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- 238000009434 installation Methods 0.000 claims abstract description 72
- 230000005540 biological transmission Effects 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/06—Arms
- F16M2200/061—Scissors arms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/06—Arms
- F16M2200/063—Parallelogram arms
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention discloses an LED display screen back frame with an automatic fixing mechanism, relates to the technical field of LED display screens, and solves the problems that the existing LED display screen back frame is generally of a steel structure splicing structure, needs to be spliced one by one in use, is troublesome in splicing, has larger volume with the back frame, needs to occupy larger space, is inconvenient to store and transport, and is troublesome in LED screen installation and operation; the rear part of the mounting base is fixedly connected with a group of folding driving pieces; the top of the mounting base is connected with a group of folding driving sliding blocks in a sliding manner; the top of the mounting base is hinged with a group of mounting back frames; the upper inner side and the lower inner side of the mounting back frame are both connected with a group of mounting fixing blocks in a sliding manner. The foldable screen has good folding performance and high folding rate, can be unfolded for use in use, can be folded for storage when not used, reduces the occupied space, is convenient to store and transport, is convenient and quick to fold and unfold and operate, and is simple to mount and position the screen.
Description
Technical Field
The invention relates to the technical field of LED display screens, in particular to an LED display screen back frame with an automatic fixing mechanism.
Background
An LED display screen (LED display) is a flat panel display, and is composed of small LED module panels for displaying various information such as text, images, video, etc., and is often used in various stages and evening scenes, and generally requires mounting the LED display screen through a back frame during the use of the LED display screen.
For example, application No.: the invention discloses a CN201310203918.1 LED display screen, which comprises a box body and a display module fixedly assembled with the box body, wherein a first suction piece is arranged on the assembly surface of the box body assembled with the display module, a second suction piece matched with the first suction piece is arranged at the corresponding position of the display module, and an electromagnetic switch is arranged on the box body and used for controlling the magnetism of the first suction piece. The magnetism of the first suction piece is controlled through the electromagnetic switch, and the first suction piece is controlled to lose the magnetic force when the display module is disassembled, so that the display module is separated from the box body, and the display module is taken out of the box body; and control first absorption part when the installation display module assembly and resume magnetic force, adsorb the display module assembly through first absorption part, be fixed in the box with the display module assembly installation on, reach quick dismantlement, the purpose of installation display module assembly, improve the production efficiency of LED display screen, be convenient for maintain the LED display screen, also reduce dismouting and maintenance cost.
Based on the above, the existing back frame of the LED display screen is generally of a steel structure splicing structure, and when in use, the components need to be spliced one by one, so that the splicing is troublesome, the back frame has a large volume, occupies a large space, is inconvenient to store and transport, and is troublesome to mount and operate the LED screen; therefore, the existing requirements are not met, and the LED display screen back frame with the automatic fixing mechanism is provided for the requirement.
Disclosure of Invention
The invention aims to provide an LED display screen back frame with an automatic fixing mechanism, and aims to solve the problems that the existing LED display screen back frame in the background art is generally of a steel structure splicing structure, splicing is required to be carried out one by one in use, splicing is troublesome, the size of the back frame is large, a large space is required to be occupied, storage and transportation are inconvenient, and the installation and operation of an LED screen are troublesome.
In order to achieve the purpose, the invention provides the following technical scheme: the LED display screen back frame with the automatic fixing mechanism comprises a mounting base; the rear part of the mounting base is fixedly connected with a group of folding driving pieces; the top of the mounting base is connected with a group of folding driving sliding blocks in a sliding manner; the top of the mounting base is hinged with a group of mounting back frames; the left side and the right side of the mounting base are hinged with a group of folding swinging rods; each group of the mounting back frames and the top of the folding swinging rod are jointly hinged with a group of middle connecting plates; the front end surface of each pair of the middle connecting plates is hinged with a group of mounting back frames; the upper side and the lower side of the inner side of each group of middle connecting plates are hinged with a group of folding swinging rods; the upper inner side and the lower inner side of the mounting back frame are both connected with a group of mounting fixing blocks in a sliding manner.
Preferably, the folding driving piece further comprises a driving lead screw, a group of driving lead screws are coaxially and fixedly connected to a rotating shaft of the folding driving piece, and the driving lead screws are in threaded transmission connection with the folding driving sliding blocks to form a lead screw nut transmission pair.
Preferably, the folding driving sliding block further comprises a swinging driving connecting rod, a group of swinging driving connecting rods is hinged to the tops of the left side and the right side of the folding driving sliding block, the other end of each swinging driving connecting rod is hinged to the lower portion of the corresponding folding swinging rod, and the folding driving sliding block, the swinging driving connecting rods, the folding swinging rods and the mounting base form a crank sliding block transmission mechanism together.
Preferably, the folding swing rod and the mounting back frame are mounted in parallel, and a double-rocker mechanism is formed among the folding swing rod, the mounting back frame, the intermediate connecting plate and the mounting base.
Preferably, the folding oscillating rod further comprises a group of same-gear gears, the end portions of the folding oscillating rod are fixedly connected with the group of same-gear gears, and the same-gear gears between two adjacent groups of folding oscillating rods are meshed to form a gear transmission mechanism together.
Preferably, the folding swing rod, the mounting back frame and the middle connecting plate form a double-rocker transmission mechanism together.
Preferably, the installation back of the body frame is still including display screen installation guide block, and the equal fixedly connected with of the up and down terminal surface inboard of installation back of the body frame is a set of display screen installation guide block.
Preferably, the installation fixed block is still including supporting spring, installation inclined plane, and the outside of installation fixed block is provided with two sets of supporting spring, and the installation fixed block passes through supporting spring and installation back of the body frame elastic connection, and the inboard installation inclined plane of installation fixed block is provided with two sets of location axles, and a set of installation inclined plane has been seted up to the inboard of location axle.
Compared with the prior art, the invention has the beneficial effects that:
when the folding driving device is used, the folding driving piece drives the folding driving slide block to slide back and forth through a screw nut transmission pair which is formed by the threaded transmission connection of a driving screw rod and a folding driving slide block, the folding driving slide block drives a group of folding oscillating rods at the bottom to oscillate through a crank slide block transmission mechanism which is formed by the combination of the folding driving slide block, an oscillating driving connecting rod, a folding oscillating rod and an installation base, the group of folding oscillating rods at the bottom drives the installation back frame to oscillate through a double-rocker mechanism which is formed by the combination of the folding oscillating rods, the installation back frame, a middle connecting plate and the installation base, the middle connecting plate rotates relative to the group of folding oscillating rods at the bottom, and the folding oscillating rods drive the group of folding oscillating rods at the upper part to synchronously and reversely rotate through, the utility model discloses a LED screen installation, including the installation back of the body frame, the folding swinging arms on a set of folding swinging arms on upper portion is through by folding swinging arms, the installation back of the body frame, the double-rocker drive mechanism who constitutes jointly between the intermediate junction board drives the folding swinging arms on upper portion and the synchronous swing of installation back of the body frame, realize the folding of installation back of the body frame, after the installation back of the body frame expandes, lead to the LED screen through display screen installation guide block, go into the installation back of the body frame with the display screen card, make things convenient for LED screen card to go.
The foldable screen has good folding performance and high folding rate, can be unfolded for use in use, can be folded for storage when not used, reduces the occupied space, is convenient to store and transport, is convenient and quick to fold and unfold and operate, and is simple to mount and position the screen.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic rear axle side construction of the present invention;
FIG. 3 is a schematic side view of the transmission shaft of the back frame assembly of the present invention;
FIG. 4 is a schematic side view of the mounting back frame of the present invention;
FIG. 5 is a schematic side view of the folding oscillating lever of the present invention;
FIG. 6 is a schematic axial side view of the intermediate connecting plate of the present invention;
FIG. 7 is a schematic side view of the driving shaft between two sets of folding oscillating levers according to the present invention;
FIG. 8 is a schematic axial view of the mounting block of the present invention;
FIG. 9 is a schematic side view of the rear axle of the mounting block of the present invention;
in the figure: 1. installing a base; 2. a folding drive member; 201. driving a lead screw; 3. folding the driving slide block; 301. a swing drive link; 4. folding the swing lever; 401. moving gears simultaneously; 5. mounting a back frame; 501. the display screen is provided with a guide block; 6. an intermediate connection plate; 7. mounting a fixed block; 701. installing an inclined plane; 702. supporting the spring.
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.
Referring to fig. 1 to 9, an embodiment of the present invention includes: the LED display screen back frame with the automatic fixing mechanism comprises a mounting base 1; the rear part of the mounting base 1 is fixedly connected with a group of folding driving pieces 2; the top of the mounting base 1 is connected with a group of folding driving sliding blocks 3 in a sliding manner; the top of the mounting base 1 is hinged with a group of mounting back frames 5; the left side and the right side of the mounting base 1 are hinged with a group of folding swinging rods 4; each group of mounting back frames 5 and the top of the folding oscillating rod 4 are jointly hinged with a group of middle connecting plates 6; the front end surface of each pair of middle connecting plates 6 is hinged with a group of mounting back frames 5; the upper and lower sides of the inner side of each group of intermediate connecting plates 6 are hinged with a group of folding oscillating rods 4; the upper inner side and the lower inner side of the mounting back frame 5 are both connected with a group of mounting fixing blocks 7 in a sliding manner.
Further, the folding driving member 2 further comprises a driving lead screw 201, a group of driving lead screws 201 are coaxially and fixedly connected to a rotating shaft of the folding driving member 2, the driving lead screws 201 are in threaded transmission connection with the folding driving sliding blocks 3 to form a lead screw nut transmission pair, and in use, the folding driving member 2 drives the folding driving sliding blocks 3 to slide back and forth through the lead screw nut transmission pair formed by the driving lead screws 201 and the folding driving sliding blocks 3 in threaded transmission connection.
Further, the folding driving sliding block 3 further comprises a swinging driving connecting rod 301, a group of swinging driving connecting rods 301 are hinged to the top portions of the left side and the right side of the folding driving sliding block 3, the other end of each swinging driving connecting rod 301 is hinged to the lower portion of the corresponding folding swinging rod 4, a crank sliding block transmission mechanism is formed between the folding driving sliding block 3, the swinging driving connecting rods 301, the folding swinging rods 4 and the installation base 1, and when the folding driving sliding block 3 slides back and forth in use, the folding driving sliding block 3 drives the group of folding swinging rods 4 at the bottom to swing through the crank sliding block transmission mechanism formed by the folding driving sliding block 3, the swinging driving connecting rods 301, the folding swinging rods 4 and the installation base 1.
Further, folding swinging arms 4 and installation back of the body frame 5 are installed in parallel, folding swinging arms 4, installation back of the body frame 5, intermediate junction plate 6, and installation base 1 constitute double-rocker mechanism jointly, in use, when a set of folding swinging arms 4 at the bottom swings, a set of folding swinging arms 4 at the bottom drive installation back of the body frame 5 to swing through a double-rocker mechanism constituted by folding swinging arms 4, installation back of the body frame 5, intermediate junction plate 6, and installation base 1 together, and intermediate junction plate 6 rotates relative to a set of folding swinging arms 4 at the bottom.
Further, the folding oscillating rod 4 further comprises a same-gear 401, a group of same-gear gears 401 is fixedly connected to the end portion of the folding oscillating rod 4, the same-gear gears 401 between two adjacent groups of folding oscillating rods 4 are meshed to jointly form a gear transmission mechanism, in use, the middle connecting plate 6 rotates relative to the group of folding oscillating rods 4 at the bottom, and the folding oscillating rods 4 drive the group of folding oscillating rods 4 at the upper portion to synchronously and reversely rotate through the gear transmission mechanism formed by meshing of the same-gear gears 401.
Further, a double-rocker transmission mechanism is formed among the folding oscillating rod 4, the mounting back frame 5 and the middle connecting plate 6, when the upper group of folding oscillating rods 4 synchronously and reversely rotate in use, the upper group of folding oscillating rods 4 drive the upper folding oscillating rod 4 and the mounting back frame 5 to synchronously swing through the double-rocker transmission mechanism formed among the folding oscillating rod 4, the mounting back frame 5 and the middle connecting plate 6, and the folding of the mounting back frame 5 is realized.
Further, the installation back of the body frame 5 is still including display screen installation guide block 501, and the equal fixedly connected with a set of display screen installation guide block 501 of the upper and lower terminal surface inboard of installation back of the body frame 5, in the installation, leads to the LED screen through display screen installation guide block 501.
Further, installation fixed block 7 is still including supporting spring 702, installation inclined plane 701, and the outside of installation fixed block 7 is provided with two sets of supporting spring 702, and installation fixed block 7 passes through supporting spring 702 and installation back of the body frame 5 elastic connection, and the inboard installation inclined plane 701 of installation fixed block 7 is provided with two sets of location axles, and a set of installation inclined plane 701 has been seted up to the inboard of location axle, and in use makes things convenient for LED screen card to go into through installation inclined plane 701, fixes a position the LED screen through the location axle.
The working principle is as follows: when in use, the folding driving piece 2 drives the folding driving slide block 3 to slide back and forth through a screw nut transmission pair formed by the thread transmission connection of the driving screw 201 and the folding driving slide block 3, the folding driving slide block 3 drives a group of folding oscillating rods 4 at the bottom to oscillate through a crank slide block transmission mechanism formed by the folding driving slide block 3, the oscillating driving connecting rod 301, the folding oscillating rods 4 and the mounting base 1, the group of folding oscillating rods 4 at the bottom drives the mounting back frame 5 to oscillate through a double-rocker mechanism formed by the folding oscillating rods 4, the mounting back frame 5, the middle connecting plate 6 and the mounting base 1, the middle connecting plate 6 rotates relative to the group of folding oscillating rods 4 at the bottom, and the folding oscillating rods 4 drive the group of folding oscillating rods 4 at the upper part to synchronously and reversely rotate through a gear transmission mechanism formed by the meshing of the same gear 401, a set of folding swinging arms 4 on upper portion is through by folding swinging arms 4, installation back of the body frame 5, the folding swinging arms 4 and the synchronous swing of installation back of the body frame 5 on upper portion are driven to the double-rocker drive mechanism that constitutes jointly between intermediate junction board 6, realize the folding of installation back of the body frame 5, expand the back when installation back of the body frame 5, lead to the LED screen through display screen installation guide block 501, go into installation back of the body frame 5 with the display screen card, make things convenient for LED screen card to go into through installation inclined plane 701, fix a position the LED screen through the location axle, the realization is fixed to the screen.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. LED display screen back of body frame with automatic fixed establishment, its characterized in that: comprises a mounting base (1); the rear part of the mounting base (1) is fixedly connected with a group of folding driving pieces (2); the top of the mounting base (1) is connected with a group of folding driving sliding blocks (3) in a sliding manner; the top of the mounting base (1) is hinged with a group of mounting back frames (5); the left side and the right side of the mounting base (1) are hinged with a group of folding swinging rods (4); each group of the mounting back frames (5) and the top of the folding swinging rod (4) are jointly hinged with a group of middle connecting plates (6); the front end surface of each pair of the middle connecting plates (6) is hinged with a group of mounting back frames (5); the upper side and the lower side of the inner side of each group of middle connecting plates (6) are hinged with a group of folding swinging rods (4); the upper inner side and the lower inner side of the mounting back frame (5) are both connected with a group of mounting fixing blocks (7) in a sliding manner.
2. The LED display screen back frame with the automatic fixing mechanism as claimed in claim 1, wherein: folding driving piece (2) are still including drive lead screw (201), and coaxial fixedly connected with a set of drive lead screw (201) in the pivot of folding driving piece (2), and drive lead screw (201) and folding drive slider (3) screw thread transmission are connected through constituting the screw nut transmission pair.
3. The LED display screen back frame with the automatic fixing mechanism as claimed in claim 1, wherein: folding drive slider (3) still including swing drive connecting rod (301), folding drive slider's (3) the equal hinged joint in both sides top has a set of swing drive connecting rod (301), the other end of swing drive connecting rod (301) and the lower part hinged joint of folding swinging arms (4), constitute crank block drive mechanism jointly between folding drive slider (3), swing drive connecting rod (301), folding swinging arms (4), installation base (1).
4. The LED display screen back frame with the automatic fixing mechanism as claimed in claim 1, wherein: the folding swing rod (4) and the mounting back frame (5) are installed in parallel, and a double-rocker mechanism is formed among the folding swing rod (4), the mounting back frame (5), the middle connecting plate (6) and the mounting base (1).
5. The LED display screen back frame with the automatic fixing mechanism as claimed in claim 1, wherein: the folding swing rod (4) further comprises a same-moving gear (401), a group of same-moving gears (401) are fixedly connected to the end portion of the folding swing rod (4), and the same-moving gears (401) between two adjacent groups of folding swing rods (4) are meshed to form a gear transmission mechanism together.
6. The LED display screen back frame with the automatic fixing mechanism as claimed in claim 1, wherein: the folding swing rod (4), the mounting back frame (5) and the middle connecting plate (6) form a double-rocker transmission mechanism together.
7. The LED display screen back frame with the automatic fixing mechanism as claimed in claim 1, wherein: the installation back of the body frame (5) is still including display screen installation guide block (501), and the equal fixedly connected with a set of display screen installation guide block (501) of the upper and lower terminal surface inboard of installation back of the body frame (5).
8. The LED display screen back frame with the automatic fixing mechanism as claimed in claim 1, wherein: the installation fixing block (7) is characterized by further comprising supporting springs (702) and an installation inclined plane (701), wherein two groups of supporting springs (702) are arranged on the outer side of the installation fixing block (7), the installation fixing block (7) is elastically connected with the installation back frame (5) through the supporting springs (702), two groups of positioning shafts are arranged on the inner side installation inclined plane (701) of the installation fixing block (7), and a group of installation inclined plane (701) is arranged on the inner side of each positioning shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110093821.4A CN112833304A (en) | 2021-01-22 | 2021-01-22 | LED display screen back frame with automatic fixing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110093821.4A CN112833304A (en) | 2021-01-22 | 2021-01-22 | LED display screen back frame with automatic fixing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112833304A true CN112833304A (en) | 2021-05-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110093821.4A Pending CN112833304A (en) | 2021-01-22 | 2021-01-22 | LED display screen back frame with automatic fixing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112833304A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113299203A (en) * | 2021-07-28 | 2021-08-24 | 深圳市传光显示技术有限公司 | LED display screen that can accomodate |
| CN113990210A (en) * | 2021-10-26 | 2022-01-28 | 杭州登虹科技有限公司 | Internet-based online commercial propagation advertisement putting platform |
| CN114193470A (en) * | 2021-12-13 | 2022-03-18 | 美的集团(上海)有限公司 | Hinge assembly, rotation adjusting assembly and robot |
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| WO2018223875A1 (en) * | 2017-06-06 | 2018-12-13 | 杭州安费诺飞凤通信部品有限公司 | Flexible-screen mobile terminal hinge and flexible-screen mobile terminal |
| CN207921678U (en) * | 2018-03-17 | 2018-09-28 | 南昌航空大学 | A kind of electronic information display device being moved easily |
| WO2020057032A1 (en) * | 2018-09-19 | 2020-03-26 | 云谷（固安）科技有限公司 | Foldable support device and foldable flexible display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113299203A (en) * | 2021-07-28 | 2021-08-24 | 深圳市传光显示技术有限公司 | LED display screen that can accomodate |
| CN113990210A (en) * | 2021-10-26 | 2022-01-28 | 杭州登虹科技有限公司 | Internet-based online commercial propagation advertisement putting platform |
| CN113990210B (en) * | 2021-10-26 | 2024-02-09 | 杭州登虹科技有限公司 | Online commercial propagation advertisement putting platform based on Internet |
| CN114193470A (en) * | 2021-12-13 | 2022-03-18 | 美的集团(上海)有限公司 | Hinge assembly, rotation adjusting assembly and robot |
| CN114193470B (en) * | 2021-12-13 | 2024-06-07 | 美的集团(上海)有限公司 | Hinge assembly, rotation adjusting assembly and robot |
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Application publication date: 20210525 |
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| RJ01 | Rejection of invention patent application after publication |