CN113380154B - Combined LED display screen with automatic protection function - Google Patents
Combined LED display screen with automatic protection function Download PDFInfo
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- CN113380154B CN113380154B CN202110726308.4A CN202110726308A CN113380154B CN 113380154 B CN113380154 B CN 113380154B CN 202110726308 A CN202110726308 A CN 202110726308A CN 113380154 B CN113380154 B CN 113380154B
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- wall
- outer frame
- led display
- display screen
- fixed
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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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- 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
- B08B5/04—Cleaning by suction, with or without auxiliary action
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a combined LED display screen with an automatic protection function, which comprises a plurality of LED display screens and an outer frame used for installing the LED display screens, wherein a rear shell plate is installed on the rear wall of the outer frame, an installation plate is installed on the inner wall of the outer frame in a sliding mode, the LED display screens are installed on the outer wall of the installation plate through bolt combination, a rear supporting plate is fixed at the bottom of the rear side of the outer frame, two through holes penetrating through the bottom are formed in the inner bottom of the outer frame close to the front side, a front supporting vertical rod is vertically installed in each through hole in a sliding mode, and a limiting mechanism used for limiting the front supporting vertical rod is further arranged at the inner bottom of the outer frame. According to the invention, through the matching of the structures, the double protection effect of the LED display screen can be achieved when the outer frame is toppled, and the LED display screen is prevented from being directly contacted with the ground to cause scratching or damage, so that the automatic protection function is achieved.
Description
Technical Field
The invention relates to the technical field of LED display screens, in particular to a combined LED display screen with an automatic protection function.
Background
An LED display screen is a flat panel display, which is a device composed of small LED module panels for displaying various information such as text, images, video, etc., and in some large places, the LED display screen is combined by bolts, etc. to increase the display area, thereby displaying more pictures.
Current LED display screen is when outdoor use, no matter the equipment, still single whole screen use, most all fixes through the frame, does not have the function of automatic protection, if receive external force, perhaps when weather reason or other factors lead to the LED display screen to empty, the LED display screen can directly fall on ground this moment to lead to the display screen to damage, the later stage of increase maintenance and the cost of changing.
In view of this, the present invention provides a combined LED display screen with an automatic protection function.
Disclosure of Invention
The invention aims to provide a combined LED display screen with an automatic protection function, which has the advantages of being capable of solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a combination formula LED display screen with automatic protect function, includes a plurality of LED display screens and the outer frame that is used for installing the LED display screen, the backshell board is installed to the back wall of outer frame, the inner wall slidable mounting of outer frame has the mounting panel, and is a plurality of the LED display screen passes through the outer wall of bolt composite mounting at the mounting panel, the bottom of outer frame rear side is fixed with back backup pad, two through-holes that run through the bottom are seted up to the interior bottom that the outer frame is close to the front side, and equal vertical slidable mounting has preceding support montant in two through-holes, the interior bottom of outer frame still is provided with and is used for carrying out spacing stop gear to preceding support montant, stop gear triggers through the pressure grow that preceding support montant received.
The emergency air bag comprises an outer frame and is characterized in that an installation cavity is formed in the inner portion, close to the top, of the outer frame, an elongated slot communicated with the installation cavity is formed in the outer wall of the outer frame, an emergency air bag is fixed on the inner wall, far away from the elongated slot, of the installation cavity, a first air bag is fixed at the bottom of the outer frame, the first air bag is communicated with the emergency air bag through an air pipe, and a check valve for one-way air inlet into the emergency air bag is installed in the air pipe.
Preferably, stop gear includes spacing hole, spacing hole is seted up and is close to the outer wall of preceding support montant in outer frame, and is linked together with the through-hole of support montant before the installation, the inner wall in spacing hole is fixed with fixed plate one, the through-hole has been seted up to the outer wall of fixed plate one, and slidable mounting has the gag lever post in the through-hole, the one end that the gag lever post supports the montant before being close to is fixed with the triangle stopper, two spacing grooves with triangle stopper looks adaptation are seted up to the outer wall of preceding support montant, the gag lever post outer wall between triangle stopper and the fixed plate one is fixed with slide one, be connected with the first spring that the cover was established at the gag lever post outer wall between slide one and the fixed plate one.
Preferably, an elastic rod is fixed at one end of the limiting rod penetrating out of the outer wall of the outer frame.
Preferably, still drive the drive mechanism that the outside frame of mounting panel contracts when empting including outer frame, drive mechanism includes the pull rod, the outer wall of LED display screen is kept away from at the mounting panel to the pull rod, is located the inside preceding support montant outer wall of outer frame is fixed with fixed plate two, just the spout has been seted up to the outer wall of fixed plate two, the outer wall that the pull rod is close to the spout is fixed with the slider, slider slidable mounting is at the inner wall of spout.
Preferably, the inner wall of the installation cavity is rotatably provided with two rotating shafts extending out of the outer frame outer wall, the two rotating shaft outer walls located in the installation cavity are respectively fixed with a squeezing roller, the outer wall between the two squeezing rollers is provided with an annular groove, and one part of the emergency airbag penetrates between the two squeezing rollers.
The extrusion device also comprises a driving mechanism for driving the two extrusion rollers to rotate relatively.
Preferably, the driving mechanism comprises two gears, the two gears are respectively fixed at one end of the two rotating shafts penetrating through the outer wall of the outer frame, and the two gears are meshed with each other.
Preferably, a handle for rotating the rotation shaft is fixed to an outer wall of one of the gears.
Preferably, a plurality of recesses have been seted up to outer frame near the annular inner wall of LED display screen, and are a plurality of all install the shower nozzle in the recess, it is a plurality of all communicate through the trachea between shower nozzle and the emergent gasbag, and the intraductal check valve to the one-way air inlet of shower nozzle that installs of trachea.
Preferably, two elastic belts are further mounted on the inner wall of the long groove.
Preferably, still including being used for carrying out the fixed establishment of secondary to the LED display screen, fixed establishment includes slide two, two slidable mounting of slide support the outer frame inner wall between montant and the mounting panel in the front, the equal slidable mounting of outer wall that both sides has splint, two about the mounting panel is close to slide two the looks back of splint rotates between the inner wall of outer frame and installs the pendulum rod, the inner wall that the mounting panel was kept away from to outer frame is fixed with the installation piece, be connected with the third spring between installation piece and the slide two.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the arrangement of the front supporting vertical rod, the limiting mechanism, the first air bag and the emergency air bag, the outer frame can inflate and expand and stretch out of the outer frame when toppling over, the outer frame can firstly contact the ground through the emergency air bag when toppling over and touching the ground, on one hand, the damage caused by the fact that the outer frame and the LED display screen directly contact the ground can be prevented, on the other hand, the impact force generated when the outer frame hits the ground can be reduced to a certain extent through the emergency air bag, the damage to the outer frame and the LED display screen can be reduced to the greatest extent, and the effect of automatically protecting the LED display screen is achieved.
2. According to the invention, through arranging the transmission mechanism and the fixing mechanism, the LED display screen can be contracted towards the inside of the outer frame when toppling is carried out through the matching of the structures, and meanwhile, the LED display screen is secondarily fixed through the fixing mechanism, so that on one hand, the LED display screen can be prevented from being damaged due to direct contact with the ground, on the other hand, the LED display screen can be prevented from being scattered due to inertia and impact force when toppling is carried out, and the effect of protecting the LED display screen is further achieved
3. The invention achieves the effect of conveniently recovering the corresponding air bag by arranging the two extrusion rollers, the driving mechanism and the spray head, and simultaneously, the air in the emergency air bag is sprayed out through the spray head during recovery, so that the dust at the gap between the LED display screen and the outer frame is blown out, and the dust is prevented from entering the interior and being difficult to clean.
Drawings
FIG. 1 is a front isometric view of the present invention;
FIG. 2 is a schematic front sectional perspective view of the present invention;
FIG. 3 is an enlarged perspective view of the squeeze roller and the emergency air bag according to the present invention;
FIG. 4 is a schematic side sectional perspective view of the present invention;
FIG. 5 is a schematic cross-sectional perspective view of a spacing mechanism of the present invention;
FIG. 6 is an enlarged view of the portion A in FIG. 5 according to the present invention.
In the figure: 1. an LED display screen; 2. an outer frame; 3. a rear support plate; 4. the front support vertical rod; 5. a first air bag; 6. an elastic rod; 7. a limiting rod; 8. a long groove; 9. a gear; 10. a handle; 11. a squeeze roll; 12. an emergency air bag; 13. a mounting cavity; 14. a second sliding plate; 15. a pull rod; 16. a first spring; 17. a limiting hole; 18. a first fixing plate; 19. a swing rod; 20. a splint; 21. mounting a plate; 22. a slider; 23. a second fixing plate; 24. a chute; 25. a rear housing plate; 26. a first sliding plate; 27. a limiting groove; 28. a spray head; 29. a rotating shaft; 30. a triangular limiting block; 31. a third spring; 32. and (7) installing the block.
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 to 6, the present invention provides a technical solution: the utility model provides a combination formula LED display screen with automatic protect function, including a plurality of LED display screens 1 and the outer frame 2 that is used for installing LED display screen 1, back shell plate 25 is installed to the back wall of outer frame 2, the inner wall slidable mounting of outer frame 2 has mounting panel 21, a plurality of LED display screens 1 pass through bolt combination to be installed at the outer wall of mounting panel 21, the bottom of outer frame 2 rear side is fixed with back backup pad 3, outer frame 2 is close to the interior bottom of front side and has seted up two through-holes that run through the bottom, and equal vertical slidable mounting has preceding support montant 4 in two through-holes, the interior bottom of outer frame 2 still is provided with and is used for carrying out spacing stop gear to preceding support montant 4, stop gear triggers through the pressure grow that preceding support montant 4 received.
The inner part of the outer frame 2 close to the top is provided with a mounting cavity 13, the outer wall of the outer frame 2 is provided with a long groove 8 communicated with the mounting cavity 13, the inner wall of the mounting cavity 13 far away from the long groove 8 is fixed with an emergency air bag 12, the bottom of the outer frame 2 is fixed with a first air bag 5, the first air bag 5 is communicated with the emergency air bag 12 through an air pipe, and a one-way valve for one-way air inlet into the emergency air bag 12 is arranged in the air pipe.
The LED display screen 1 is assembled and installed on the installation plate 21, when the outer frame 2 is inclined due to the action of strong weather or other external force, the rear support plate 3 is separated from the ground, the whole weight of the outer frame 2 can be pressed on the front support vertical rods 4, which is equivalent to the reduction of the support area, the force which needs to be borne by the front support vertical rods 4 is increased at the moment, the limiting mechanism triggers to relieve the limitation on the front support vertical rods 4, then the front support vertical rods 4 can shrink towards the inside of the outer frame 2, the rear support plate 3 can be contacted with the ground again along with the inclination of the outer frame 2, at the moment, the first air bag 5 can receive extrusion along with the inclination of the outer frame 2, then air in the first air bag 5 can be guided into the emergency air bag 12 through an air pipe, then the emergency air bag 12 can expand, meanwhile, the expanded emergency air bag 12 can extend out of the installation cavity 13 through the elongated groove 8, so that the emergency air bag 2 can be contacted with the ground first through the emergency air bag 12, on the one hand, the outer frame 2 can be prevented from being directly contacted with the ground to cause damage due to the LED display screen 1, on the other hand, the emergency air bag 12 can reduce the impact force of the outer frame 2 and can play a certain degree when the damage of the outer frame 2, and can be automatically, and can be reduced, and can protect the LED display screen, and the damage of the LED display screen 1.
Further, stop gear includes spacing hole 17, spacing hole 17 is seted up at outer frame 2 and is close to the outer wall of preceding support montant 4, and be linked together with the through-hole of support montant 4 before the installation, the inner wall of spacing hole 17 is fixed with fixed plate 18, the through-hole has been seted up to the outer wall of fixed plate 18, and slidable mounting has gag lever post 7 in the through-hole, the one end that gag lever post 7 is close to preceding support montant 4 is fixed with triangle stopper 30, two spacing grooves 27 with triangle stopper 30 looks adaptation are seted up to the outer wall of preceding support montant 4, gag lever post 7 outer wall between triangle stopper 30 and fixed plate 18 is fixed with slide 26, be connected with the first spring 16 that the cover was established at gag lever post 7 outer wall between slide 26 and fixed plate 18.
When the power that current support montant 4 need bear increases, at this moment the spacing groove 27 that preceding support montant 4 outer wall was seted up can push up triangle stopper 30 and contract to spacing hole 17, can drive slide 26 through gag lever post 7 and slide along the through-hole on fixed plate 18, first spring 16 is compressed simultaneously, along with preceding support montant 4 when continuing to move in the outer frame 2, then preceding support montant 4 can contract in the outer frame 2, when triangle stopper 30 contacts another spacing groove 27, can make triangle stopper 30 reinsert in spacing groove 27 under the spring action of first spring 16 this moment, it is spacing to preceding support montant 4.
Furthermore, the one end that gag lever post 7 wore out outer frame 2 outer wall is fixed with elastic rod 6, supports through elastic rod 6 and can prevent when outer frame 2 from toppling over direct contact to ground, and elastic rod 6 can also play certain cushioning effect to outer frame 2 simultaneously.
Further, still include the drive mechanism that drives the mounting panel 21 and to contract in the outer frame 2 when outer frame 2 emptys, drive mechanism includes pull rod 15, pull rod 15 fixes the outer wall of keeping away from LED display screen 1 at mounting panel 21, is located the 4 outer walls of the inside preceding support montant of outer frame 2 are fixed with two fixed plates 23, just spout 24 has been seted up to the outer wall of two fixed plates 23, the outer wall that pull rod 15 is close to spout 24 is fixed with slider 22, slider 22 slidable mounting is at the inner wall of spout 24.
When the current support montant 4 removes in to outer frame 2, can drive two 23 fixed plates and remove together, can drive pull rod 15 through the sliding fit between spout 24 and the slider 22 and remove, then pull rod 15 can drive mounting panel 21 and the LED display screen 1 of installation on it and shrink in to outer frame 2 and slide, thereby can prevent that the lug on ground or other objects from causing scratch and damage to LED display screen 1, thereby further play the effect of protection to LED display screen 1.
Further, the inner wall of the installation cavity 13 is rotatably provided with two rotating shafts 29 extending out of the outer wall of the outer frame 2, the outer walls of the two rotating shafts 29 inside the installation cavity 13 are both fixed with the squeezing rollers 11, the outer wall in the middle of the two squeezing rollers 11 is provided with an annular groove, a part of the emergency airbag 12 passes through the space between the two squeezing rollers 11, when the emergency airbag 12 expands, the annular groove is formed in the outer wall of the squeezing rollers 11, so that air can enter the cavity of the emergency airbag 12 passing through the two squeezing rollers 11 from the gap of the annular groove, then the part of the emergency airbag 12 passing through the squeezing rollers 11 can expand, and meanwhile, the emergency airbag 11 can be contacted with the squeezing rollers 11 and drive the squeezing rollers 11 to rotate, so that the emergency airbag 12 inside the installation cavity 13 is pulled out.
The emergency air bag lifting device also comprises a driving mechanism for driving the two squeezing rollers 11 to rotate relatively, when the outer frame 2 is lifted and the emergency air bag 12 needs to be retracted, an air discharging pipe on the emergency air bag 12 is opened, then, the driving mechanism drives the two squeezing rollers 11 to rotate relatively, so that the emergency air bag 12 can be rolled back into the installation cavity 13, and air in the emergency air bag 12 is exhausted.
Further, the driving mechanism comprises two gears 9, the two gears 9 are respectively fixed at one end of the two rotating shafts 29 penetrating out of the outer wall of the outer frame 2, the two gears 9 are meshed, and by rotating one of the gears 9, the other gear 9 can be driven to rotate together through meshing action, so that the two rotating shafts 29 and the two extrusion rollers 11 are driven to rotate relatively.
Further, a handle 10 for rotating the rotation shaft 29 is fixed to an outer wall of one of the gears 9, and the gear 9 can be conveniently rotated by the handle 10.
Further, a plurality of grooves are formed in the annular inner wall, close to the LED display screen 1, of the outer frame 2, the plurality of grooves are internally provided with the spray heads 28, the plurality of spray heads 28 are communicated with the emergency air bags 12 through air pipes, one-way valves for introducing air to the spray heads 28 in one way are installed in the air pipes, the emergency air bags 12 can be coiled back into the installation cavity 13, air in the emergency air bags 12 can be squeezed into the spray heads 28 through the air pipes, then the spray heads 28 spray air to gaps between the LED display screen 1 and the outer frame 2, the LED display screen 1 shrinks towards the inner side of the outer frame 2 when toppling over, accordingly, a height difference exists between the LED display screen 1 and the outer frame 2, meanwhile, when the outer frame 2 topples over, ground dust can be raised, the dust possibly enters the outer frame 2 through gaps between the LED display screen 1 and the outer frame 2, the air is sprayed outwards through the spray heads 28, the dust at the gaps can be blown outwards, and the dust is prevented from entering the inner portion and being difficult to clean.
Furthermore, two elastic belts are further installed on the inner wall of the long groove 8, the two elastic belts can be arranged to seal the long groove 8, dust is prevented from entering the installation cavity 13 from the long groove 8, and when the emergency air bag 12 expands and becomes large, the two elastic belts can be squeezed apart to extend out of the long groove 8, and expansion of the emergency air bag 12 cannot be affected.
Further, still including being used for carrying out the fixed establishment of secondary to LED display screen 1, fixed establishment includes slide two 14, slide two 14 slidable mounting is at the outer frame 2 inner wall between preceding support montant 4 and the mounting panel 21, the equal slidable mounting of outer wall that slide two 14 are close to the upper and lower both sides of mounting panel 21 has splint 20, rotate between the back of the same phase of two splint 20 and the inner wall of outer frame 2 and install pendulum rod 19, the inner wall that mounting panel 21 was kept away from to outer frame 2 is fixed with installation piece 32, be connected with third spring 31 between installation piece 32 and the slide two 14.
When the mounting plate 21 contracts towards the inside of the outer frame 2, the mounting plate 21 can contact the second sliding plate 14 and drive the second sliding plate to move together, meanwhile, the third spring 31 is compressed, the second sliding plate 14 can drive the two clamping plates 20 to move together, the two clamping plates 20 can slide relatively under the limiting effect of the swing rod 19, then the mounting plate 21 and the LED display screen 1 mounted on the mounting plate are clamped and secondarily fixed, and therefore the LED display screen 1 is prevented from falling off due to inertia and impact force, and the effect of protecting the LED display screen 1 is further achieved.
The working principle is as follows: when the combined type LED display screen with the automatic protection function is used, the LED display screen 1 is combined and installed on the installation plate 21, when the outer frame 2 falls down due to windy weather or other external force, at the moment, the rear support plate 3 is separated from the ground, the whole weight of the outer frame 2 is pressed on the front support vertical rod 4, which is equivalent to the reduction of the support area, so that the force to be borne by the front support vertical rod 4 is increased, at the moment, the limit groove 27 formed on the outer wall of the front support vertical rod 4 pushes the triangular limit block 30 to retract towards the limit hole 17, the first spring 16 is compressed by the limit rod 7 to drive the first slide plate 26 to slide along the through hole on the first fixing plate 18, as the front support vertical rod 4 continues to move towards the outer frame 2, then the front support vertical rod 4 retracts towards the outer frame 2, when the triangular limit block 30 contacts another limit groove 27, at the first spring 16 can enable the triangular limit block 30 to reinsert into the limit groove 27 under the elastic force of the first spring, the front support vertical rod 4 is limited, at the same time, and simultaneously, when the front support vertical rod 4 moves towards the outer frame 2, the second slide block 23 moves together with the second slide block 23, thereby, the mounting plate 14, the slide bar 14 can drive the second slide bar 21 and the second slide bar 14, thereby, when the second slide bar 14, the second slide bar 21 and the second slide bar can be damaged, thereby, when the second display screen 2, the second display screen 14, the second frame 14, the display screen can be moved, and the display screen can be damaged, and the display screen 14, thereby, when the second display screen can be damaged, then the mounting plate 21 and the LED display screen 1 mounted thereon are clamped and secondarily fixed, so that the LED display screen 1 is prevented from being scattered due to inertia and impact force when toppled, and the effect of protecting the LED display screen 1 is further achieved.
Meanwhile, as the outer frame 2 tilts and the front support vertical rod 4 retracts towards the inside of the outer frame 2, the rear support plate 3 can be contacted with the ground again, at the moment, the first air bag 5 can be extruded along with the tilting of the outer frame 2, then, air in the first air bag 5 can be guided into the emergency air bag 12 through an air pipe, then, the emergency air bag 12 can expand, meanwhile, because the annular groove is formed in the outer wall of the extrusion roller 11, air can enter the emergency air bag 12 from the gap of the annular groove and penetrate through the cavities of the two extrusion rollers 11, then, the part of the emergency air bag 12 penetrating through the extrusion rollers 11 can expand, meanwhile, the emergency air bag contacts with the extrusion rollers 11 and drives the extrusion rollers 11 to rotate, so that the emergency air bag 12 inside the installation cavity 13 is pulled out, meanwhile, the expanded emergency air bag 12 can extend out of the installation cavity 13 through the elongated groove 8, so that when the outer frame 2 tilts to the ground, the ground can be contacted with the emergency air bag 12 firstly, on one hand, the outer frame 2 can be prevented from being directly contacted with the ground through the emergency air bag 12, on the other hand, the outer frame 2 can be further prevented from being directly contacted with the ground, and the display screen 1, the display 2 can be further protected, and the LED display screen 1 can be further protected by the emergency air bag 12.
Then, after the outer frame 2 is lifted up, the handle 10 is rotated to drive the two gears 9 and the two rotating shafts 29 to rotate relatively, so that the two squeezing rollers 11 are driven to rotate relatively, the emergency air bag 12 extending out of the elongated slot 8 is pulled back into the mounting cavity 13, meanwhile, air in the emergency air bag 12 passes through the nozzle 28 through an air pipe, then the nozzle 28 sprays air to a gap between the LED display screen 1 and the outer frame 2, because the LED display screen 1 contracts into the outer frame 2 while toppling over, a height difference exists between the LED display screen 1 and the outer frame 2, meanwhile, dust on the ground can be raised when the outer frame 2 topples over, the dust possibly enters the outer frame 2 through a gap between the LED display screen 1 and the outer frame 2, the air is sprayed outwards through the nozzle 28, the dust at the gap can be blown out, the dust is prevented from entering the interior and being difficult to clean, after the emergency air bag 12 is rolled back into the mounting cavity 13, the elastic rod 6 is pulled outwards, so that the triangle stopper 30 is separated from the stopper groove 27, then the front support rod 4 is pulled out, and the elastic rod 6 is loosened again, and the triangle stopper 2 can be inserted into the outer frame 2 again, and the outer frame 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a combination formula LED display screen with automatic protect function, includes a plurality of LED display screens (1) and outer frame (2) that are used for installing LED display screen (1), back shell plate (25), its characterized in that are installed to the back wall of outer frame (2): the LED display screen fixing device is characterized in that a mounting plate (21) is slidably mounted on the inner wall of the outer frame (2), a plurality of LED display screens (1) are mounted on the outer wall of the mounting plate (21) through bolt combination, a rear supporting plate (3) is fixed to the bottom of the rear side of the outer frame (2), two through holes penetrating through the bottom are formed in the inner bottom of the outer frame (2) close to the front side, a front supporting vertical rod (4) is vertically and slidably mounted in the two through holes, a limiting mechanism used for limiting the front supporting vertical rod (4) is further arranged at the inner bottom of the outer frame (2), and the limiting mechanism is triggered through the increase of pressure applied to the front supporting vertical rod (4);
an installation cavity (13) is formed in the outer frame (2) close to the top, an elongated slot (8) communicated with the installation cavity (13) is formed in the outer wall of the outer frame (2), an emergency air bag (12) is fixed on the inner wall, far away from the elongated slot (8), of the installation cavity (13), a first air bag (5) is fixed at the bottom of the outer frame (2), the first air bag (5) is communicated with the emergency air bag (12) through an air pipe, and a one-way valve for one-way air inlet into the emergency air bag (12) is arranged in the air pipe;
stop gear includes spacing hole (17), set up in outer frame (2) outer wall near preceding support montant (4) spacing hole (17), and be linked together with the through-hole of support montant (4) before the installation, the inner wall of spacing hole (17) is fixed with fixed plate (18), the through-hole has been seted up to the outer wall of fixed plate (18), and slidable mounting has gag lever post (7) in the through-hole, gag lever post (7) are close to the one end of preceding support montant (4) and are fixed with triangle stopper (30), two spacing grooves (27) with triangle stopper (30) looks adaptation are seted up to the outer wall of preceding support montant (4), gag lever post (7) outer wall between triangle stopper (30) and fixed plate (18) is fixed with slide (26), be connected with first spring (16) of gag lever post (7) outer wall between slide (26) and fixed plate (18) cover.
2. The combined LED display screen with automatic protection function as claimed in claim 1, wherein: and an elastic rod (6) is fixed at one end of the limiting rod (7) penetrating out of the outer wall of the outer frame (2).
3. The combined LED display screen with automatic protection function as claimed in claim 1, wherein: still include outer frame (2) and drive the drive mechanism that mounting panel (21) outwards contracts in outer frame (2) when empting, drive mechanism includes pull rod (15), the outer wall of keeping away from LED display screen (1) in mounting panel (21) is fixed in pull rod (15), is located outer frame (2) inside preceding support montant (4) outer wall is fixed with fixed plate two (23), just spout (24) have been seted up to the outer wall of fixed plate two (23), the outer wall that pull rod (15) are close to spout (24) is fixed with slider (22), slider (22) slidable mounting is at the inner wall of spout (24).
4. The combined LED display screen with automatic protection function as claimed in claim 1, wherein: two rotating shafts (29) extending out of the outer wall of the outer frame (2) are rotatably mounted on the inner wall of the mounting cavity (13), extrusion rollers (11) are fixed on the outer walls of the two rotating shafts (29) positioned in the mounting cavity (13), annular grooves are formed in the outer wall of the middle of the two extrusion rollers (11), and a part of the emergency air bag (12) penetrates between the two extrusion rollers (11);
the extrusion device also comprises a driving mechanism for driving the two extrusion rollers (11) to rotate relatively.
5. The combined LED display screen with automatic protection function as claimed in claim 4, wherein: the driving mechanism comprises two gears (9), the two gears (9) are respectively fixed at one ends of two rotating shafts (29) penetrating out of the outer wall of the outer frame (2), and the two gears (9) are meshed with each other.
6. The combined LED display screen with automatic protection function of claim 5, wherein: a handle (10) for rotating the rotating shaft (29) is fixed on the outer wall of one gear (9).
7. The combined LED display screen with automatic protection function as claimed in claim 1, wherein: a plurality of grooves are formed in the annular inner wall, close to the LED display screen (1), of the outer frame (2), a plurality of spray heads (28) are installed in the grooves and communicated with the emergency air bags (12) through air pipes, and one-way valves for one-way air inflow of the spray heads (28) are installed in the air pipes.
8. The combined LED display screen with automatic protection function as claimed in claim 1, wherein: two elastic belts are further mounted on the inner wall of the long groove (8).
9. The combined LED display screen with automatic protection function as claimed in claim 1, wherein: still including being used for carrying out the fixed establishment of secondary to LED display screen (1), fixed establishment includes slide two (14), slide two (14) slidable mounting supports outer frame (2) inner wall between montant (4) and mounting panel (21) in the front, the equal slidable mounting of outer wall that both sides about slide two (14) are close to mounting panel (21) has splint (20), two rotate between the inner wall of the back of the looks of splint (20) and outer frame (2) and install pendulum rod (19), the inner wall that mounting panel (21) were kept away from to outer frame (2) is fixed with installation piece (32), be connected with third spring (31) between installation piece (32) and slide two (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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