CN112393077A - Industrial display screen with protection mechanism - Google Patents
Industrial display screen with protection mechanism Download PDFInfo
- Publication number
- CN112393077A CN112393077A CN202011366568.7A CN202011366568A CN112393077A CN 112393077 A CN112393077 A CN 112393077A CN 202011366568 A CN202011366568 A CN 202011366568A CN 112393077 A CN112393077 A CN 112393077A
- Authority
- CN
- China
- Prior art keywords
- display screen
- fixedly connected
- gear
- connecting rod
- screen shell
- Prior art date
- 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.)
- Withdrawn
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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
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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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
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
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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
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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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
- F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
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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
- F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
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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
Abstract
The invention discloses an industrial display screen with a protection mechanism, which comprises a display screen shell and a display screen, wherein the display screen is fixedly connected inside the front end of the display screen shell, protection devices are arranged on the left side and the right side of the display screen shell, fixing rods are fixedly connected on the left side and the right side of the front end of the display screen shell, sliding grooves are formed in opposite sides of the two groups of fixing rods, protection plates are embedded in the two groups of sliding grooves, and an adjusting device is arranged at the rear end of the display screen shell. When the display screen needs to be protected, after the display screen is used, the rope is unfastened from the long rod by hands, then the hands are slowly loosened, the rope is pulled by the gravity of the protection plate to move, meanwhile, the protection plate moves downwards, the protection plate moves to shield the display screen, and then the rope is tied on the long rod, so that the display screen is prevented from colliding with foreign objects in a factory, meanwhile, the display screen is prevented from being collided and damaged, and the safety of the device is improved.
Description
Technical Field
The invention relates to the technical field of industrial display screens, in particular to an industrial display screen with a protection mechanism.
Background
The intelligent era now, the mill is also using intelligent equipment now, general intelligent equipment needs the display screen to show data and analysis result, consequently, industrial display screen wide application in each big mill, industrial display screen's use provides convenience for the staff, it is more outstanding to make intelligent equipment effect simultaneously, industrial display has can adapt to extreme environment, the operation is stable, advantages such as long service life, present industrial display screen that has protection agency basically satisfies people's demand, but still has some problems.
In view of the above, chinese patent No. CN210836045U proposes an industrial display screen, which is compact in structure and convenient to install, and the touch screen adopts a full-screen structure design, and is convenient to clean, chinese patent No. CN211191090U proposes an industrial display screen convenient to clean, and the cleaning mechanisms disposed on both sides of the display screen panel can clean the screen and remove dust during the use process, and the heat dissipation mechanism can be conveniently installed and detached by the arrangement of the fixing block, and the whole heat dissipation mechanism can be stably installed in the rear housing by the cooperation of the connection mechanism and the fixing block, and chinese patent No. CN210950728U proposes an industrial display screen with a damping function, which reduces the transmission of vibration by multi-directional damping, thereby protecting the industrial display body and increasing the service life of the industrial display body, and in the above patents, the industrial display screen collides with foreign object easily in the mill, leads to the display screen to damage, has reduced the security of device, and the industrial display screen is generally fixed simultaneously, and the inconvenient regulation display screen angle of staff leads to the staff sometimes can not be clear see the data on the display screen, has reduced the practicality of device.
Disclosure of Invention
The invention aims to provide an industrial display screen with a protection mechanism, and aims to solve the problems that the conventional industrial display screen with the protection mechanism is easy to collide with foreign objects in a factory, and workers are inconvenient to adjust the angle of the display screen in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an industrial display screen with protection machanism, includes display screen shell and display screen, the inside fixedly connected with display screen of display screen shell front end, the display screen shell left and right sides is provided with protector, the equal fixedly connected with dead lever in display screen shell front end left and right sides, it is two sets of the spout has all been seted up to the relative one side of dead lever, and is two sets of the spout is embedded to have the guard plate, display screen shell rear end is provided with adjusting device.
Preferably, the protector includes dead lever, spout, guard plate, rope, leading wheel and connecting block, the one end of the equal fixedly connected with rope of guard plate top left and right sides is two sets of the rope all embeds in the leading wheel, and is two sets of the leading wheel rear end all overlaps in the connecting block, and is two sets of the connecting block bottom is all fixed connect in the dead lever top.
Preferably, the other ends of the two sets of ropes are tied to the long bars, and the opposite sides of the two sets of long bars are fixedly connected with fixing rods.
Preferably, adjusting device includes fixed block, first gear, second gear and connecting rod, display screen shell rear end fixedly connected with fixed block, fixed block rear end fixedly connected with first gear, the meshing of first gear inner wall has the second gear, fixedly connected with connecting rod in the middle of the second gear bottom.
Preferably, the connecting rod runs through and inserts in the lantern ring, lantern ring front end fixedly connected with fixed block, the laminating of lantern ring top has the second gear, the connecting rod bottom inserts in the middle of the base.
Preferably, the outside fixedly connected with first conical gear in connecting rod bottom, first conical gear meshing has second conical gear, second conical gear right-hand member fixedly connected with round bar, round bar right-hand member fixed connection is in the motor output, motor bottom fixedly connected with base.
Compared with the prior art, the invention has the beneficial effects that:
1. the industrial display screen with the protection mechanism is provided with a sliding chute, a protection plate, a rope, a guide wheel and a long rod, when the display screen needs to be protected, after the display screen is used, the rope is untied from the long rod by hands, then the hands are loosened slowly, the rope is pulled by the gravity of the protection plate to move on the guide wheel, meanwhile, the protection plate moves downwards in the sliding chute, the protection plate moves to shield the display screen, then the rope is tied on the long rod, the display screen is prevented from colliding with foreign objects in a factory, meanwhile, the collision and damage of the display screen are avoided, and the safety of the device is improved;
2. the industrial display screen with the protection mechanism is provided with a fixed block, a first gear, a second gear, a connecting rod, a sleeve ring, a base, a first bevel gear, a second bevel gear and a motor, when the angle of the display screen needs to be adjusted, the motor is connected into a power supply by hand, the output end of the motor is rotated to drive the second bevel gear to rotate, the second bevel gear rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the connecting rod to rotate between the inner part of the sleeve ring and the base, the connecting rod rotates to drive the second gear to rotate, the second gear rotates to drive the first gear to rotate, the first gear rotates to drive the fixed block to rotate, the fixed block rotates to drive a display screen shell to rotate, the angle of the display screen is adjusted by the rotation of the display screen shell, the inconvenience of adjusting the angle of the display screen by workers is avoided, the practicability of the device is improved.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic top cross-sectional view of the present invention;
FIG. 5 is a schematic side view of the present invention.
In the figure: 1. a display screen housing; 2. a display screen; 310. fixing the rod; 311. a chute; 312. a protection plate; 313. a rope; 314. a guide wheel; 315. connecting blocks; 316. a long bar; 410. a fixed block; 411. a first gear; 412. a second gear; 413. a connecting rod; 414. a collar; 415. a base; 416. a first bevel gear; 417. a second bevel gear; 418. a round bar; 419. an electric motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, two embodiments of the present invention are provided:
Embodiment 2 is based on embodiment 1 and is shown in fig. 1-2, the protection device includes a fixing rod 310, a sliding slot 311, a protection plate 312, ropes 313, guide wheels 314 and a connection block 315, wherein the left and right sides of the top end of the protection plate 312 are fixedly connected with one end of each rope 313, the two groups of ropes 313 are embedded in the guide wheels 314, the rear ends of the two groups of guide wheels 314 are sleeved on the connection block 315, and the bottom ends of the two groups of connection blocks 315 are fixedly connected to the top end of the fixing rod 310.
Embodiment 3 based on embodiment 2, as shown in fig. 1-2, two sets of ropes 313 are tied to the long bars 316 at the other ends thereof, and the fixing rods 310 are fixedly connected to the opposite sides of the two sets of long bars 316.
Embodiment 4 is based on embodiment 1 and is shown in fig. 4, the adjusting device includes a fixing block 410, a first gear 411, a second gear 412 and a connecting rod 413, the fixing block 410 is fixedly connected to the rear end of the display screen housing 1, the first gear 411 is fixedly connected to the rear end of the fixing block 410, the second gear 412 is engaged with the inner wall of the first gear 411, and the connecting rod 413 is fixedly connected to the middle of the bottom end of the second gear 412.
Embodiment 5 is based on embodiment 4, as shown in fig. 5, a connecting rod 413 is inserted through a collar 414, a fixing block 410 is fixedly connected to the front end of the collar 414, a second gear 412 is attached to the top end of the collar 414, and the bottom end of the connecting rod 413 is inserted into the middle of a base 415.
Embodiment 6 is based on embodiment 4 and is shown in fig. 3, a first bevel gear 416 is fixedly connected to the outside of the bottom of the connecting rod 413, a second bevel gear 417 is engaged with the first bevel gear 416, a round rod 418 is fixedly connected to the right end of the second bevel gear 417, the right end of the round rod 418 is fixedly connected to the output end of the motor 419, and the bottom end of the motor 419 is fixedly connected to the base 415.
Embodiment 7 as shown in fig. 1-5, the industrial display screen with a protection mechanism comprises a display screen housing 1 and a display screen 2, the display screen 2 is fixedly connected to the inside of the front end of the display screen housing 1, protection devices are arranged on the left and right sides of the display screen housing 1, fixing rods 310 are fixedly connected to the left and right sides of the front end of the display screen housing 1, sliding grooves 311 are formed on the opposite sides of the two groups of fixing rods 310, protection plates 312 are embedded in the two groups of sliding grooves 311, an adjusting device is arranged at the rear end of the display screen housing 1, the protection devices comprise fixing rods 310, sliding grooves 311, and protection plates 312, the protective plate 312 comprises ropes 313, guide wheels 314 and connecting blocks 315, wherein the left side and the right side of the top end of the protective plate 312 are fixedly connected with one ends of the ropes 313, the two groups of ropes 313 are embedded in the guide wheels 314, the rear ends of the two groups of guide wheels 314 are sleeved on the connecting blocks 315, and the bottom ends of the two groups of connecting blocks 315 are fixedly connected to the top ends of the fixing rods 310;
the other ends of the two groups of ropes 313 are tied to the long rod 316, the opposite sides of the two groups of long rods 316 are fixedly connected with the fixing rods 310, the adjusting device comprises a fixing block 410, a first gear 411, a second gear 412 and a connecting rod 413, the rear end of the display screen shell 1 is fixedly connected with the fixing block 410, the rear end of the fixing block 410 is fixedly connected with the first gear 411, the inner wall of the first gear 411 is meshed with the second gear 412, the middle of the bottom end of the second gear 412 is fixedly connected with the connecting rod 413, the connecting rod 413 penetrates through the lantern ring 414, the front end of the lantern ring 414 is fixedly connected with the fixing block 410, the top end of the lantern ring 414 is attached with the second gear 412, the bottom end of the connecting rod 413 is inserted into the middle of the base 415, the outer part of the bottom of the connecting rod 413 is fixedly connected with a first bevel gear 416, the, the bottom end of the motor 419 is fixedly connected with a base 415.
The working principle is as follows: when the display screen 2 needs to be protected, after the display screen 2 is used, the rope 313 is unfastened from the long rod 316 by hand, then the hand is slowly loosened, so that the protective plate 312 is pulled by the gravity to move on the guide wheel 314, the guide wheel 314 is sleeved on the connecting block 315, meanwhile, the protective plate 312 moves downwards in the sliding groove 311, the sliding groove 311 is arranged in the fixed rod 310, the protective plate 312 moves to shield the display screen 2, and then the rope 313 is tied on the long rod 316;
when the angle of the display screen 2 needs to be adjusted, the motor 419 is connected to a power supply by hand, the output end of the motor 419 is rotated to drive the round bar 418 to rotate, the round bar 418 rotates to drive the second bevel gear 417 to rotate, the second bevel gear 417 rotates to drive the first bevel gear 416 to rotate, the first bevel gear 416 rotates to drive the connecting rod 413 to rotate between the inside of the lantern ring 414 and the middle of the base 415, the connecting rod 413 rotates to drive the second gear 412 to rotate, the second gear 412 rotates to drive the first gear 411 to rotate, the first gear 411 rotates to drive the fixing block 410 to rotate, the fixing block 410 rotates to drive the display screen shell 1 to rotate, and the angle of the display screen 2 is adjusted by rotating the display 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 (7)
1. The utility model provides an industrial display screen with safeguard mechanism, includes display screen shell (1) and display screen (2), the inside fixedly connected with display screen (2) of display screen shell (1) front end, its characterized in that: display screen shell (1) the left and right sides is provided with protector, the equal fixedly connected with dead lever (310) of display screen shell (1) front end left and right sides is two sets of spout (311) have all been seted up to relative one side of dead lever (310), and are two sets of spout (311) are embedded to have guard plate (312), display screen shell (1) rear end is provided with adjusting device.
2. The industrial display screen with the protection mechanism as claimed in claim 1, wherein: the protection device comprises a fixed rod (310), a sliding groove (311), a protection plate (312), ropes (313), guide wheels (314) and connecting blocks (315), wherein one ends of the ropes (313) are fixedly connected to the left side and the right side of the top end of the protection plate (312), the ropes (313) are embedded into the guide wheels (314), the rear ends of the guide wheels (314) are sleeved on the connecting blocks (315), and the bottom ends of the connecting blocks (315) are fixedly connected to the top end of the fixed rod (310).
3. The industrial display screen with the protection mechanism as claimed in claim 2, wherein: the other ends of the two groups of ropes (313) are tied to the long bars (316), and the opposite sides of the two groups of long bars (316) are fixedly connected with the fixed bars (310).
4. The industrial display screen with the protection mechanism as claimed in claim 1, wherein: adjusting device includes fixed block (410), first gear (411), second gear (412) and connecting rod (413), display screen shell (1) rear end fixedly connected with fixed block (410), fixed block (410) rear end fixedly connected with first gear (411), first gear (411) inner wall meshing has second gear (412), fixedly connected with connecting rod (413) in the middle of second gear (412) bottom.
5. The industrial display screen with the protection mechanism as claimed in claim 4, wherein: the connecting rod (413) penetrates through the lantern ring (414), the front end of the lantern ring (414) is fixedly connected with the fixing block (410), the top end of the lantern ring (414) is attached with the second gear (412), and the bottom end of the connecting rod (413) is inserted into the middle of the base (415).
6. The industrial display screen with the protection mechanism as claimed in claim 4, wherein: the external fixedly connected with first conical gear (416) in connecting rod (413) bottom, first conical gear (416) meshing has second conical gear (417), second conical gear (417) right-hand member fixedly connected with round bar (418), round bar (418) right-hand member fixed connection is in motor (419) output, motor (419) bottom fixedly connected with base (415).
7. The industrial display screen with the protection mechanism comprises a display screen shell (1) and a display screen (2), wherein the display screen (2) is fixedly connected inside the front end of the display screen shell (1), and is characterized in that: the protective device is arranged on the left side and the right side of the display screen shell (1), the left side and the right side of the front end of the display screen shell (1) are fixedly connected with fixing rods (310), sliding grooves (311) are formed in one opposite side of the two groups of fixing rods (310), protective plates (312) are embedded in the two groups of sliding grooves (311), the rear end of the display screen shell (1) is provided with an adjusting device, the protecting device comprises a fixed rod (310), a sliding groove (311), a protecting plate (312), a rope (313), a guide wheel (314) and a connecting block (315), the left side and the right side of the top end of the protection plate (312) are fixedly connected with one end of a rope (313), the two groups of ropes (313) are embedded in guide wheels (314), the rear ends of the two groups of guide wheels (314) are sleeved on connecting blocks (315), and the bottom ends of the two groups of connecting blocks (315) are fixedly connected to the top ends of fixing rods (310);
two sets of the other end of rope (313) all is tied in rectangular pole (316), two sets of all fixedly connected with dead lever (310) in the relative one side of rectangular pole (316), adjusting device includes fixed block (410), first gear (411), second gear (412) and connecting rod (413), display screen shell (1) rear end fixedly connected with fixed block (410), fixed block (410) rear end fixedly connected with first gear (411), first gear (411) inner wall meshing has second gear (412), fixedly connected with connecting rod (413) in the middle of second gear (412) bottom, connecting rod (413) run through and insert in lantern ring (414), lantern ring (414) front end fixedly connected with fixed block (410), lantern ring (414) top laminating has second gear (412), connecting rod (413) bottom inserts in the middle of base (415), the external fixedly connected with first conical gear (416) in connecting rod (413) bottom, first conical gear (416) meshing has second conical gear (417), second conical gear (417) right-hand member fixedly connected with round bar (418), round bar (418) right-hand member fixed connection is in motor (419) output, motor (419) bottom fixedly connected with base (415).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011366568.7A CN112393077A (en) | 2020-11-30 | 2020-11-30 | Industrial display screen with protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011366568.7A CN112393077A (en) | 2020-11-30 | 2020-11-30 | Industrial display screen with protection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112393077A true CN112393077A (en) | 2021-02-23 |
Family
ID=74605525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011366568.7A Withdrawn CN112393077A (en) | 2020-11-30 | 2020-11-30 | Industrial display screen with protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112393077A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294632A (en) * | 2021-05-06 | 2021-08-24 | 深圳市贝可科技有限公司 | Liquid crystal display back plate supporting type liquid crystal television |
| CN113898828A (en) * | 2021-09-09 | 2022-01-07 | 苏州华佑信息科技有限公司 | Display device for technical service |
| CN113944837A (en) * | 2021-10-14 | 2022-01-18 | 安徽康佳电子有限公司 | Bar screen for supermarket |
-
2020
- 2020-11-30 CN CN202011366568.7A patent/CN112393077A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294632A (en) * | 2021-05-06 | 2021-08-24 | 深圳市贝可科技有限公司 | Liquid crystal display back plate supporting type liquid crystal television |
| CN113898828A (en) * | 2021-09-09 | 2022-01-07 | 苏州华佑信息科技有限公司 | Display device for technical service |
| CN113944837A (en) * | 2021-10-14 | 2022-01-18 | 安徽康佳电子有限公司 | Bar screen for supermarket |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210223 |
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| WW01 | Invention patent application withdrawn after publication |