CN112709914A - New media mobile news spreading device - Google Patents
New media mobile news spreading device Download PDFInfo
- Publication number
- CN112709914A CN112709914A CN202011490312.7A CN202011490312A CN112709914A CN 112709914 A CN112709914 A CN 112709914A CN 202011490312 A CN202011490312 A CN 202011490312A CN 112709914 A CN112709914 A CN 112709914A
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- CN
- China
- Prior art keywords
- mounting plate
- sliding
- display screen
- fixedly connected
- new media
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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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
Abstract
The invention discloses a new media mobile news transmission device which comprises a supporting plate, wherein four guide rods are vertically and symmetrically and fixedly connected to the supporting plate, an installation plate is horizontally sleeved on the four guide rods in a sliding mode, a display screen is fixedly installed on the upper end face of the installation plate, sliding grooves are formed in the end faces, close to the supporting plate, of the installation plate, a lifting component used for controlling the installation plate is arranged between the two sliding grooves, and the lifting component comprises four sliding blocks and a pair of supporting rods, the middle portions of the supporting rods are hinged to each other. According to the invention, the mounting plate drives the display screen to ascend by rotating the threaded rod, so that people close to the display screen cannot shield the sight of people far away from the display screen, and therefore people far away from the display screen can completely watch the content played on the display screen.
Description
Technical Field
The invention relates to the technical field of new media, in particular to a mobile news spreading device for new media.
Background
News is a genre of recorded and broadcast information frequently used by media such as newspapers, radio stations, television stations, internet, etc., and is a genre reflecting the era, and the news concept has broad and narrow meanings, and the broad sense is as follows: common texts, except for reviews and monographs published in newspapers, broadcasters, internet, television, are news, including messages, communications, features, shorthand (some of which are included in the list of features), and the like.
In the process of news dissemination, the news is played by using some mobile rack fixed display screens at present, and because the display screens are usually fixedly arranged on the mobile racks, so that the height of the display screen can not be adjusted in the process of playing news by using the display screen, when the display screen is moved to a place with many people, people far away from the display screen are usually blocked from sight by people near the display screen, so that people far away from the display screen cannot view the contents played on the display screen, and since the display screen is usually placed in a place where the flow of people is large, therefore, when pedestrians and vehicles pass by, dust can fly and adhere to the display screen, and when the dust on the display screen is too much, the pedestrians can be influenced to watch the contents played on the display screen, and the person holds the towel to wipe, which also influences the pedestrians to watch the contents played on the display screen.
Disclosure of Invention
The invention aims to solve the defects that the height of a display screen for playing news cannot be adjusted and dust on the display screen can block the sight of a viewer in the prior art, and provides a novel media mobile news spreading device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a new media movable type news spreading device comprises a supporting plate, wherein four guide rods are vertically and symmetrically and fixedly connected to the supporting plate, a mounting plate is horizontally sleeved on the four guide rods in a sliding mode, a display screen is fixedly mounted on the upper end face of the mounting plate, sliding grooves are formed in the end faces, close to the supporting plate, of the mounting plate, and a lifting component used for controlling the mounting plate is arranged between the two sliding grooves;
the lifting component comprises four sliders and a pair of supporting rods, the middle portions of the supporting rods are hinged to each other, the four sliders are symmetrically clamped in the two sliding grooves in a sliding mode, the end portions of the two supporting rods are hinged to the four sliders respectively, and a driving component used for driving the end portions of the supporting rods to move is arranged above the supporting plate.
Preferably, the driving part comprises a threaded rod, fixed blocks are rotatably connected to two ends of the threaded rod, the lower ends of the two fixed blocks are fixedly connected with the supporting plate, threads at two ends of the middle of the threaded rod are arranged in opposite directions, moving blocks are sleeved on threads at two ends of the threaded rod, and the two moving blocks are fixedly connected with two side walls of the sliding block far away from the mounting plate respectively.
Preferably, a dust blowing component for removing dust of the display screen is arranged above the mounting plate; the dust blowing component comprises an air guide pipe arranged on the mounting plate and a suction component connected to the guide rod in a sliding manner.
Preferably, the suction part includes that the sealing cover establishes a pair of collar on the guide arm, be close to the mounting panel collar and mounting panel fixed connection, and another the collar and the sealed sliding connection of guide arm, two fixedly connected with bellows between the collar, connecting pipe and air duct fixed connection are passed through to the one end that the bellows is close to the mounting panel, the one-way air outlet valve of fixedly connected with in the connecting pipe, the bellows is close to the one-way admission valve of one end lateral wall fixedly connected with of mounting panel.
Preferably, the opening of one end of the air duct, which is far away from the corrugated pipe, is vertically upward, and a pressure valve is fixedly installed.
Preferably, four sliding openings are vertically formed in the mounting plate, four guide rods are vertically and slidably connected to four sliding openings respectively, a plurality of embedding grooves are horizontally formed in the inner wall of each sliding opening in a circumferential mode, a plurality of rolling balls are embedded in the embedding grooves in a rolling mode, and the rolling balls are in rolling contact with the side walls of the guide rods.
Preferably, the guide rod is sleeved with a first spring, and two ends of the first spring respectively abut against one end face of the two mounting rings, which are close to each other.
Preferably, the lower end of each guide rod is fixedly sleeved with a limiting ring, the top of each guide rod is fixedly connected with a limiting block, the horizontal plane where the four limiting rings are located is higher than the horizontal plane at the tops of the two moving blocks, every two guide rods which are close to each other are sleeved with a pressing plate in a sliding mode, and the pressing plates are located above the mounting rings which are close to the limiting blocks.
Preferably, a sliding ring is arranged above the limiting ring, the sliding ring is sleeved on the guide rod in a sliding mode and located below the mounting plate, a second spring is abutted between the sliding ring and the limiting ring, and the second spring is sleeved on the guide rod.
Preferably, the fixed block is worn out to threaded rod one end, and fixedly connected with carousel, fixed cover is equipped with the antiskid cover on the carousel, the antiskid cover adopts the rubber material preparation.
Compared with the prior art, the invention has the beneficial effects that:
1. when the height of the display screen needs to be adjusted by using the device, a user rotates the device through the threaded rod, furthermore, because the threaded rod is in threaded connection with the two moving blocks, and the threads on the two sides of the middle part of the threaded rod are arranged in opposite directions, thereby leading the distance between the two moving blocks to drive the sliding block and the end parts of the two supporting rods to be reduced, leading the vertical distance between the end parts of the two supporting rods to be increased, leading the two supporting rods to lead the mounting plate to be lifted, the display screen fixedly arranged on the mounting plate is lifted, and the mounting plate is connected with the guide rod on the support plate in a sliding way, so that the mounting plate can not incline when lifted, the device drives the display screen to rise by rotating the threaded rod, so that people close to the display screen cannot block the sight of people far away from the display screen, therefore, people who are far away from and near the display screen can completely watch the content played on the display screen.
2. When dust is adhered on the display screen, a user can press the press plates on two sides of the display screen to contract the two corrugated pipes, because the mounting plate is provided with the air guide pipe, the air guide pipe is connected with the lower end of the corrugated pipe through the connecting pipe, the side wall of the lower end of the corrugated pipe is internally and fixedly connected with the one-way air inlet valve and the one-way air outlet valve in the connecting pipe, when the corrugated pipe is pressed downwards, the one-way air inlet valve is closed, the one-way air outlet valve is opened, so that the gas in the corrugated pipe enters the air guide pipe, the air outlet of the air guide pipe faces the display screen and the air outlet is fixedly connected with the pressure valve, therefore, after the gas enters the air guide pipe, the gas cannot be discharged at once, the gas in the air guide pipe must be discharged when the, the gas then can be the blowout of high-speed air current form in the air duct to high-speed spun gas blows to the display screen, and then blows off the gray layer on the display screen, thereby can not receive sheltering from of dust when making the pedestrian watch the display screen, can effectually receive the news content of broadcast on the display screen.
Drawings
Fig. 1 is a schematic sectional view of a new media mobile news broadcasting device according to the present invention;
fig. 2 is a schematic top cross-sectional view of a new media mobile news broadcasting device according to the present invention;
FIG. 3 is a schematic view of a portion of the enlarged structure of A in FIG. 1;
fig. 4 is a partially enlarged structural diagram of B in fig. 1.
In the figure: the device comprises a supporting plate 1, a guide rod 2, a mounting plate 3, a display screen 4, a supporting rod 5, a sliding chute 6, a sliding block 7, a moving block 8, a threaded rod 9, a fixed block 10, a mounting ring 11, a corrugated pipe 12, a connecting pipe 13, an air guide pipe 14, a one-way air outlet valve 15, a one-way air inlet valve 16, a first spring 17, a pressure valve 18, a pressure plate 19, a limiting ring 20, a sliding ring 21, a second spring 22, balls 23 and a rotary table 24.
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. 1-4, a new media mobile news spreading device comprises a supporting plate 1, four guide rods 2 are vertically and symmetrically fixedly connected to the supporting plate 1, a mounting plate 3 is horizontally sleeved on the four guide rods 2 in a sliding manner, a display screen 4 is fixedly mounted on the upper end face of the mounting plate 3, sliding grooves 6 are formed in the end faces, close to the supporting plate 1, of the mounting plate 3, and a lifting component for controlling the mounting plate 3 is arranged between the two sliding grooves 6;
the lifting component comprises four sliders 7 and a pair of supporting rods 5, the middle parts of the supporting rods are hinged to each other, the four sliders 7 are symmetrically clamped in the two sliding grooves 6 in a sliding mode, the end portions of the two supporting rods 5 are hinged to the four sliders 7 respectively, and a driving component used for driving the end portions of the supporting rods 5 to move is arranged above the supporting plate 1.
In the invention, when the height of the display screen 4 needs to be adjusted by using the device, a user rotates the threaded rod 9, the threaded rod 9 and the two moving blocks 8 through the threaded rod 9, the two threads on the two sides of the middle part of the threaded rod 9 are arranged in opposite directions, so that the two moving blocks 8 drive the sliding block 7 and the distance between the end parts of the two support rods 5 is reduced, the vertical distance between the end parts of the two support rods 5 is increased, the two support rods 5 enable the mounting plate 3 to be lifted, the display screen 4 fixedly arranged on the mounting plate 3 is lifted, the mounting plate 3 is in sliding connection with the guide rod 2 on the support plate 1, the mounting plate 3 cannot incline when lifted, the device enables the mounting plate 3 to drive the display screen 4 to be lifted through rotating the threaded rod 9, and therefore, people close to the display screen 4 cannot block the sight of people, therefore, people who are far away from the display screen 4 can completely watch the content played on the display screen 4.
Preferred technical scheme in this embodiment, the driver part includes threaded rod 9, 9 both ends of threaded rod all rotate and are connected with fixed block 10, two fixed block 10 lower extremes all with backup pad 1 fixed connection, two fixed block 10 play the effect of 9 horizontal direction removals of restrictive thread pole, 9 middle part both ends screw threads of threaded rod are seted up opposite direction, and the equal thread bush in both ends is equipped with movable block 8, two movable block 8 respectively with two 7 lateral wall fixed connections of slider of keeping away from mounting panel 3, because 9 middle part both ends screw threads of threaded rod are seted up opposite direction, thereby make rotation threaded rod 9, can make two movable block 8 drive two sliders 7 and be close to each other or keep away from each other.
In the preferred technical scheme in the embodiment, a dust blowing component for removing dust of the display screen 4 is arranged above the mounting plate 3; blow the dust layer that the dirt part can blow off 4 surfaces of display screen to the sight can not receive the dust and shelter from when the pedestrian watches display screen 4, blow the dirt part including seting up air duct 14 and the suction part of sliding connection on guide arm 2 on mounting panel 3, suction part is used for inhaling then blowing to display screen 4 through air duct 14 with external air.
In the preferred technical scheme of the embodiment, the pumping part comprises a pair of mounting rings 11 which are arranged on the guide rod 2 in a sealing manner, the mounting ring 11 close to the mounting plate 3 is fixedly connected with the mounting plate 3, the other mounting ring 11 is connected with the guide rod 2 in a sealing and sliding manner, a corrugated pipe 12 is fixedly connected between the two mounting rings 11, the inner space of the corrugated pipe 12 can be changed when the corrugated pipe 12 contracts and extends, so that gas can be stored, one end of the corrugated pipe 12 close to the mounting plate 3 is fixedly connected with a gas guide pipe 14 through a connecting pipe 13, a one-way gas outlet valve 15 is fixedly connected in the connecting pipe 13, one side wall of the corrugated pipe 12 close to the mounting plate 3 is fixedly connected with a one-way gas inlet valve 16, when the corrugated pipe 12 is pressed downwards, the one-way gas outlet valve 15 is opened, the one-way air inlet valve 16 is opened, and the one-way air outlet valve 15 is closed, so that the one-way air inlet valve 16 and the one-way air outlet valve 15 are matched to enable the corrugated pipe 12 to suck external air and then discharge the air from the air guide pipe 14 to blow towards the display screen 4.
According to the preferable technical scheme in the embodiment, an opening at one end, far away from the corrugated pipe 12, of the air guide pipe 14 is vertically upward, the pressure valve 18 is fixedly installed, the pressure valve 18 can prevent the gas entering the air guide pipe 14 from being discharged at once, and the air guide pipe can be opened only when the pressure valve 18 reaches the opening threshold value, so that the gas in the air guide pipe 14 can be ejected in a high-speed airflow shape.
According to the technical scheme, four sliding openings are vertically formed in the mounting plate 3, the four guide rods 2 are vertically connected to the four sliding openings in a sliding mode respectively, the inner wall of each sliding opening is in a circular horizontal shape, a plurality of embedding grooves are formed in the inner wall of each sliding opening, the plurality of embedding grooves are internally provided with the balls 23 in a rolling mode, the balls 23 are in rolling contact with the side walls of the guide rods 2, and therefore sliding friction between the sliding openings and the guide rods 2 originally can be changed into rolling friction, and the mounting plate 3 can be enabled to rise easily.
In the preferred technical scheme of this embodiment, the guide rod 2 is sleeved with the first spring 17, two ends of the first spring 17 respectively abut against one end face of the two mounting rings 11, which are close to each other, and the first spring 17 plays a role in enabling the extruded corrugated tube 12 to recover the shape.
According to the preferable technical scheme in the embodiment, the lower end of each guide rod 2 is fixedly sleeved with a limiting ring 20, the top of each guide rod is fixedly connected with a limiting block, and the four limiting rings 20 are higher than the limiting rings 20 and the limiting blocks at the top of the two moving blocks 8 in the horizontal plane height and play a role in limiting the moving distance of the mounting plate 3.
According to the preferable technical scheme in the embodiment, the sliding ring 21 is arranged above the limit ring 20, the sliding ring 21 is slidably sleeved on the guide rod 2 and is located below the mounting plate 3, the second spring 22 is abutted between the sliding ring 21 and the limit ring 20, the second spring 22 is sleeved on the guide rod 2, the sliding ring 21 and the second spring 22 are matched to play a role in buffering and damping the mounting plate 3 when the mounting plate 3 descends, and therefore the mounting plate 3 is prevented from directly colliding with the limit ring 20 to vibrate and damage the display screen 4 on the mounting plate 3.
According to the technical scheme, the fixing block 10 is worn out by one end of the threaded rod 9, the rotary table 24 is fixedly connected with, the rotary table 24 is fixedly sleeved with the anti-skidding sleeve, the anti-skidding sleeve is made of rubber materials, the rotary table 24 enables the user to conveniently and easily rotate the threaded rod 9, and the anti-skidding sleeve can prevent the user from skidding when the user rotates the rotary table 24.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A new media mobile news spreading device comprises a supporting plate (1) and is characterized in that four guide rods (2) are vertically and symmetrically fixedly connected to the supporting plate (1), a mounting plate (3) is horizontally sleeved on the four guide rods (2) in a sliding mode, a display screen (4) is fixedly mounted on the upper end face of the mounting plate (3), sliding grooves (6) are formed in the end faces, close to each other, of the mounting plate (3) and the supporting plate (1), and a lifting component used for controlling the mounting plate (3) is arranged between the two sliding grooves (6);
the lifting component comprises four sliders (7) and a pair of supporting rods (5) hinged to each other at the middle, the sliders (7) are symmetrically clamped in the sliding grooves (6) in a sliding mode, the end portions of the supporting rods (5) are hinged to the sliders (7) respectively, and a driving component used for driving the end portions of the supporting rods (5) to move is arranged above the supporting plate (1).
2. The new media mobile news broadcasting device according to claim 1, wherein the driving component comprises a threaded rod (9), both ends of the threaded rod (9) are rotatably connected with fixed blocks (10), the lower ends of the two fixed blocks (10) are fixedly connected with the supporting plate (1), the two ends of the middle of the threaded rod (9) are threaded in opposite directions, and both ends of the threaded rod are respectively threaded with a moving block (8), and the two moving blocks (8) are respectively fixedly connected with the side walls of two sliding blocks (7) far away from the mounting plate (3).
3. A new media mobile newscast device as claimed in claim 1, wherein a dust blowing member for removing dust from the display screen (4) is provided above the mounting plate (3); the dust blowing component comprises an air duct (14) arranged on the mounting plate (3) and a suction component connected to the guide rod (2) in a sliding manner.
4. The mobile news broadcasting device of claim 3, wherein the suction component comprises a pair of mounting rings (11) which are hermetically sleeved on the guide rod (2), the mounting ring (11) close to the mounting plate (3) is fixedly connected with the mounting plate (3), the other mounting ring (11) is hermetically and slidably connected with the guide rod (2), a corrugated pipe (12) is fixedly connected between the two mounting rings (11), one end of the corrugated pipe (12) close to the mounting plate (3) is fixedly connected with the air guide tube (14) through a connecting pipe (13), a one-way air outlet valve (15) is fixedly connected in the connecting pipe (13), and one end side wall of the corrugated pipe (12) close to the mounting plate (3) is fixedly connected with a one-way air inlet valve (16).
5. A new media mobile news delivery unit according to claim 4, in which the end of the air duct (14) remote from the bellows (12) is open vertically upwards and is fixedly fitted with a pressure valve (18).
6. The mobile news broadcasting device of claim 1, wherein four sliding openings are vertically formed in the mounting plate (3), the four guide rods (2) are vertically and slidably connected to the four sliding openings, a plurality of embedding grooves are horizontally formed in the inner wall of each sliding opening in a circumferential manner, rolling balls (23) are embedded in the embedding grooves in a rolling manner, and the rolling balls (23) are in rolling contact with the side walls of the guide rods (2).
7. A new media mobile news dissemination device according to claim 4, wherein said guide rod (2) is sleeved with a first spring (17), and both ends of said first spring (17) respectively abut against one end face of said two mounting rings (11) which are close to each other.
8. The new media mobile news broadcasting device according to claim 4, wherein a limiting ring (20) is fixedly sleeved on the lower end of each guide rod (2), a limiting block is fixedly connected to the top of each guide rod, the horizontal plane of four limiting rings (20) is higher than the horizontal plane of the tops of two moving blocks (8), a pressing plate (19) is slidably sleeved on each two guide rods (2) which are close to each other, and the pressing plate (19) is located above the mounting ring (11) which is close to the limiting block.
9. The new media mobile news broadcasting device of claim 8, wherein a sliding ring (21) is disposed above the limiting ring (20), the sliding ring (21) is slidably disposed on the guide rod (2) and located below the mounting plate (3), a second spring (22) is disposed between the sliding ring (21) and the limiting ring (20), and the second spring (22) is disposed on the guide rod (2).
10. The new media mobile news broadcasting device according to claim 2, wherein one end of the threaded rod (9) is extended out of the fixing block (10) and is fixedly connected with the rotating disc (24), and the rotating disc (24) is fixedly sleeved with the anti-slip sleeve, and the anti-slip sleeve is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011490312.7A CN112709914A (en) | 2020-12-16 | 2020-12-16 | New media mobile news spreading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011490312.7A CN112709914A (en) | 2020-12-16 | 2020-12-16 | New media mobile news spreading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112709914A true CN112709914A (en) | 2021-04-27 |
Family
ID=75544676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011490312.7A Pending CN112709914A (en) | 2020-12-16 | 2020-12-16 | New media mobile news spreading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112709914A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209841973U (en) * | 2017-12-26 | 2019-12-24 | 长春职业技术学院 | Electric automatization product integrated test platform |
| CN110762468A (en) * | 2019-12-03 | 2020-02-07 | 安徽国成顺风风力发电有限公司 | Dust removal device for solar street lamp |
| CN111419026A (en) * | 2020-05-11 | 2020-07-17 | 戚亮 | Height-adjustable's teaching display device for education |
| CN111520051A (en) * | 2020-04-27 | 2020-08-11 | 简再东 | Self-cleaning high-rise window |
-
2020
- 2020-12-16 CN CN202011490312.7A patent/CN112709914A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209841973U (en) * | 2017-12-26 | 2019-12-24 | 长春职业技术学院 | Electric automatization product integrated test platform |
| CN110762468A (en) * | 2019-12-03 | 2020-02-07 | 安徽国成顺风风力发电有限公司 | Dust removal device for solar street lamp |
| CN111520051A (en) * | 2020-04-27 | 2020-08-11 | 简再东 | Self-cleaning high-rise window |
| CN111419026A (en) * | 2020-05-11 | 2020-07-17 | 戚亮 | Height-adjustable's teaching display device for education |
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Application publication date: 20210427 |