CN110689824A - Display device for LED advertising board - Google Patents
Display device for LED advertising board Download PDFInfo
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- CN110689824A CN110689824A CN201911044776.2A CN201911044776A CN110689824A CN 110689824 A CN110689824 A CN 110689824A CN 201911044776 A CN201911044776 A CN 201911044776A CN 110689824 A CN110689824 A CN 110689824A
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- cavity
- fixed
- self
- locking
- driven shaft
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
- G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs
Abstract
The invention discloses a display device for LED advertising boards, which comprises a main box body, wherein a storage cavity with an upward opening and a right end wall communicated with an external space is arranged in the main box body, a clutch mechanism, a transmission mechanism and a moving mechanism are arranged in the lower end wall of the storage cavity, a rotating belt is arranged in the storage cavity, a moving table is fixed on the rotating belt, an advertising board fixing main body is arranged on the moving table, a display cavity with a left end communicated with the external space is arranged in the upper end wall of the storage cavity, a lifting cavity with a downward opening is arranged in the upper end wall of the display cavity, a lifting mechanism capable of picking up the advertising board fixing main body for display is arranged in the lifting cavity, when the device works, a cover plate and wheels can be automatically locked to ensure safety, the rotating belt is switched to the advertising board to be displayed, the lifting mechanism descends, and the advertising board fixing main body is, the lifting mechanism grabs the billboard fixing main body for displaying, and the wheel moving device can be unlocked when the device does not need to work.
Description
Technical Field
The invention relates to the field of advertising equipment, in particular to a display device for an LED billboard.
Background
At present, along with the development of society, LED bill-board is more and more favored by people because its commonality is strong, characteristics such as bright color, but compare with traditional bill-board, LED bill-board value is high and more accurate, higher to service environment's requirement, if place like ordinary bill-board then very easily damage in the open air, so display device just becomes very important, but because LED bill-board weight is big, bulky and electrified characteristics, the LED bill-board display device of current market ubiquitous changes inconveniently, change defects such as unsafe, and simultaneously, most display device all is fixing device, heavy and the price/performance ratio is lower, few mobile device then lack the fixed means, have the hidden danger in the aspect of the safety.
Disclosure of Invention
The present invention aims to provide a display device for LED billboards, which overcomes the above-mentioned drawbacks of the prior art.
The display device for the LED advertising board comprises a main box body, wherein a storage cavity is arranged in the main box body, an open slot which is arranged rightwards relative to the opening is arranged in the right side wall of the storage cavity, a cover plate is hinged to the right end of the main box body, a guide rail is annularly arranged on the bottom wall of the storage cavity, a plurality of moving tables are arranged on the top of the guide rail in a sliding fit manner, a fixed table is fixedly arranged on the top of each moving table, an advertising board fixing mechanism is arranged at the top end of each fixed table, rotating belt wheels are connected on the bottom wall of the storage cavity in a rotating fit manner, the peripheries of the rotating belt wheels are distributed and arranged, rotating belts are dynamically connected on the rotating belt wheels and are positioned between the guide rail and the rotating belt wheels, connecting rods which are fixedly connected with the moving tables are arranged on one side of the rotating belts, which are, first motor bottom is connected with driving shaft power fit, the driving shaft with one of them rotatory band pulley power fit connects, still be equipped with the show chamber in the roof in storage chamber, the left side wall in show chamber is equipped with the show area that is linked together the setting with the exterior space, the show intracavity is equipped with and is used for control the elevating system that bill-board fixed establishment goes up and down, storage chamber bottom is equipped with the band pulley chamber, band pulley chamber downside is equipped with the spline chamber, spline chamber downside is equipped with the separation and reunion chamber, band pulley chamber right side intercommunication is equipped with the transmission chamber, the transmission intracavity is equipped with self-locking mechanism, the bottom half bilateral symmetry of the case is equipped with moving mechanism, be equipped with clutch control in the separation and reunion intracavity moving mechanism's power transmission's clutching mechanism.
On the basis of the technical scheme, a cover plate self-locking cavity with a leftward opening is arranged in the cover plate, and a cover plate locking head cavity is communicated with the upper side of the cover plate self-locking cavity.
On the basis of the technical scheme, a first trigger cavity with an upward opening is arranged on one side, far away from the rotating belt, of the fixed table, a first compression spring is fixed on the bottom wall of the first trigger cavity, a first trigger block is fixed on the top end of the first compression spring, a second trigger cavity with an upward opening is arranged on one side, close to the rotating belt, of the fixed table, a second compression spring with elasticity smaller than that of the first compression spring is fixed on the bottom wall of the second trigger cavity, a second trigger block with magnetism is fixed on the top end of the second compression spring, a pull rope fixedly connected with the bottom of the first trigger block is fixed on the bottom surface of the second trigger block, a first self-locking rod and a second self-locking rod which are symmetrically arranged are arranged on the top of the second trigger cavity, and the bottom ends of the first self-locking rod and the second self-locking rod are in hinged fit with the top end face of the fixed table, the self-locking mechanism is characterized in that self-locking magnets are fixed at the lower ends of the first self-locking rod and the second self-locking rod, an extension spring is fixed between the first self-locking rod and the second self-locking rod, and self-locking heads are fixed at the top ends of the first self-locking rod and the second self-locking rod.
On the basis of the technical scheme, the lifting mechanism comprises a lifting cavity and a second motor, wherein the bottom of the lifting cavity is communicated with the display cavity, the second motor is fixedly embedded in the top wall of the lifting cavity, the lower end of the second motor is connected with a lifting shaft in a power mode, the outer side of the lifting shaft is connected with a lifting sliding block in a threaded mode, the lifting sliding block is connected with the lifting cavity in a sliding fit manner, a pullback spring is fixed at the top of the lifting sliding block, the top of the pullback spring is fixedly connected with the top wall of the lifting cavity, the lower end of the lifting sliding block is fixed with a fixed block, the fixed block is internally provided with telescopic cavities which are symmetrical at the left side and the right side and have outward openings, the inner wall of each telescopic cavity is fixed with a resorption electromagnet, one side of the telescopic cavity, which is far away from the resorption electromagnet, is connected with a magnetic telescopic block in a sliding fit manner, and a telescopic spring is fixedly arranged between the resorption electromagnet and the telescopic block.
On the basis of the technical scheme, the billboard fixing mechanism comprises a billboard fixing main body, an installation cavity is arranged in the end face of the billboard fixing main body, which is far away from one side of the rotating belt, a fixed cavity is arranged in the billboard fixing main body, a communicating cavity with an upward opening is arranged in the top wall of the fixed cavity, fixed magnets are symmetrically and fixedly arranged on the inner wall of the fixed cavity, a baffle cavity is arranged at the lower side of the fixed cavity, a self-locking cavity with a downward opening is arranged at the bottom end of the billboard fixing main body, locking head cavities are symmetrically arranged on the inner wall of the self-locking cavity, a connecting rod cavity penetrating through the baffle cavity is communicated between the fixed cavity and the self-locking cavity, a first connecting rod which is arranged in an up-and-down extending manner is connected in the connecting rod cavity in a sliding manner, a baffle fixedly connected with the first connecting rod is arranged in, the bottom end of the baffle plate compression spring is fixed with the bottom end wall of the baffle plate cavity.
On the basis of the technical scheme, the self-locking mechanism comprises a first driven shaft, a second belt wheel, a second driven shaft, a first bevel gear, a second bevel gear and a centrifugal wheel, wherein the tail end of the top of the first driven shaft is connected with the top of the transmission cavity in a rotating matching manner, the second belt wheel is connected with the first driven shaft in a fixed matching manner, the first belt wheel is connected in a rotating matching manner in the belt wheel cavity, the tail end of the top of the first belt wheel is connected with one of the rotating belt wheels in a power matching manner, a first belt is connected between the first belt wheel and the second belt wheel in a power matching manner, the first bevel gear is connected with the first driven shaft in a fixed matching manner and is positioned at the lower side of the second belt wheel, the tail end of the right side of the second driven shaft is connected with the right wall of the transmission cavity in a rotating matching manner, the second bevel gear is, the centrifugal wheel with second driven shaft fixed coordination is connected and is located the second bevel gear right side, the centrifugal wheel inner ring is equipped with the outside centrifugal chamber of a plurality of openings, be fixed with centrifugal extension spring on the centrifugal intracavity wall, the centrifugal extension spring other end is fixed with centrifugal piece, transmission chamber upside is linked together and is equipped with the chamber of advancing that extends right, it is right to advance the chamber opening, it is equipped with the apron auto-lock pole that extends right to advance the intracavity, apron auto-lock pole right side end is fixed with the apron tapered end, it is fixed with to run through to advance the intracavity the spacing axle of apron auto-lock pole, spacing axle with apron auto-lock pole sliding fit is connected.
On the basis of the technical scheme, the clutch mechanism comprises a spline cylinder, a third driven shaft, a first friction disc, a pressure plate, a fourth driven shaft, a second friction disc, a third belt wheel and a fourth belt wheel, the spline cylinder is positioned in the spline cavity, the tail end of the top of the spline cylinder is fixedly connected with the bottom end face of the first belt wheel, the top end of the third driven shaft is in spline fit connection with the spline cylinder, a clutch extension spring is fixed at the top end of the third driven shaft, the other end of the clutch extension spring is fixed with the spline cylinder, the first friction disc is fixed at the tail end of the bottom of the third driven shaft, the pressure plate is positioned on the upper side of the first friction disc and is in rotation fit connection with the third driven shaft, a pressure plate extension spring is fixed at the upper end of the pressure plate, the upper end of the pressure plate extension spring is fixedly connected with the, the clutch chamber top wall is fixedly provided with a clutch electromagnet opposite to the clutch magnet, the fourth driven shaft is connected with the clutch chamber bottom wall in a rotating fit mode, the second friction disc is fixed at the tail end of the top of the fourth driven shaft, the third belt wheel is located on the lower side of the second friction disc and fixedly connected with the fourth driven shaft, and the fourth belt wheel is located on the lower side of the third belt wheel and fixedly connected with the fourth driven shaft.
On the basis of the technical scheme, a first movable belt wheel cavity extending to the left side is formed in the left side wall of the clutch cavity in a communicated mode, a second movable belt wheel cavity extending to the right side is formed in the right side wall of the clutch cavity in a communicated mode, a fifth belt wheel is connected to the first movable belt wheel cavity in a rotating fit mode, a sixth belt wheel is connected to the second movable belt wheel in the rotating fit mode, a second belt is connected to the fifth belt wheel in the third belt wheel in a power fit mode, and a third belt is connected to the sixth belt wheel in the fourth belt wheel in a power fit mode.
On the basis of the technical scheme, the moving mechanism comprises a moving self-locking cavity and a fixed plate cavity positioned on the lower side of the moving self-locking cavity, a moving lifting block is arranged in the moving self-locking cavity, a sixth driven shaft which extends up and down is connected with the top wall of the moving self-locking cavity in a rotating fit manner, the top end of the sixth driven shaft on the left side is fixedly connected with the bottom end face of the fifth belt wheel in a fit manner, the top end of the sixth driven shaft on the right side is fixedly connected with the bottom end face of the sixth belt wheel in a fit manner, the bottom section of the sixth driven shaft is connected with a moving lifting block in a threaded fit manner, the top end face of the moving lifting block is fixedly provided with a moving extension spring, the upper end of the moving extension spring is fixed with the upper wall of the moving self-locking cavity, the bottom end of, the utility model discloses a portable self-locking device, including lifter, removal auto-lock intracavity, sensor, fixed plate intracavity, fixed plate downside is fixed with the dead lever, the dead lever is connected with to the normal running fit on the dead lever, the top section of wheel is located remove the auto-lock intracavity.
The invention has the beneficial effects that: the LED advertising board mounting device is simple in structure and convenient to operate, a plurality of LED advertising boards can be mounted at one time, secondary mounting is not needed in subsequent use, the mounting labor cost is reduced, meanwhile, the hidden danger in the safety aspect is reduced, meanwhile, the cover plate and the moving device are automatically locked in the working process of the motor, the safety problem caused by misoperation of workers is prevented, the LED advertising boards can be moved by the unlocking wheels when the display positions need to be replaced, the flexibility and the cost performance are improved, meanwhile, the LED advertising boards are located in the device during display, the loss possibility is reduced, and the service life of the LED advertising boards is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a display device for LED advertising boards according to the present invention;
FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;
FIG. 3 is an enlarged schematic view of the second trigger block of FIG. 1;
FIG. 4 is an enlarged schematic view of the second bevel gear of FIG. 1;
fig. 5 is an enlarged schematic structural view at the third driven shaft in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1 to 5, the display device for the LED advertising board according to the embodiment of the present invention comprises a main box 10, a storage cavity 14 is provided in the main box 10, an open slot 18 is provided in a right side wall of the storage cavity 14, the open slot and the open slot are arranged rightwards, so as to facilitate device repair and advertising board installation, a cover plate 58 is hinged to a right end of the main box 10, a guide rail 15 is provided on a bottom wall of the storage cavity 14, a plurality of moving tables 43 are slidably fitted on a top of the guide rail 15, the moving tables 43 can rotate around the guide rail 15 in the storage cavity 14, a fixed table 73 is fixedly provided on a top of the moving tables 43, an advertising board fixing mechanism is provided on a top of the fixed table 73, the LED advertising board is mounted on the advertising board fixing mechanism, a rotating pulley 47 is rotatably fitted on a bottom wall of the storage cavity 14, the rotating pulley 47 is distributed around the rotating pulley, the rotary belt wheel 47 is connected with a rotary belt 46 in a power mode, the rotary belt 46 is located between the guide rail 15 and the rotary belt wheel 47, the rotary belt 46 is close to one side of the guide rail 15 and is provided with a connecting rod 44 connected with the mobile station 43 in a fixed matching mode, the top wall of the storage cavity 14 is internally fixedly provided with a first motor 59, the bottom of the first motor 59 is connected with a driving shaft 60 in a power matching mode, the driving shaft 60 is connected with one of the rotary belt wheels 47 in a power matching mode, the top wall of the storage cavity 14 is also provided with a display cavity 13, the left side wall of the display cavity 13 is provided with a display area 71 communicated with an external space, an LED advertising board is displayed through the display area 71, a lifting mechanism used for controlling the lifting of the advertising board fixing mechanism is arranged in the display cavity 13, the bottom of the storage cavity 14 is provided with a belt wheel cavity 30, the lower side of the belt wheel cavity, the lower side of the spline cavity 105 is provided with a clutch cavity 31, the right side of the belt wheel cavity 30 is communicated with a transmission cavity 29, a self-locking mechanism is arranged in the transmission cavity 29, the left and right sides of the bottom of the main box body 10 are symmetrically provided with moving mechanisms, and a clutch mechanism for controlling the power transmission of the moving mechanisms is arranged in the clutch cavity 31.
In addition, in one embodiment, a cover plate self-locking cavity 76 with a leftward opening is formed in the cover plate 58, and a cover plate locking head cavity 107 is communicated with the upper side of the cover plate self-locking cavity 76 and is used for achieving the self-locking function of the cover plate in the working state.
In addition, in one embodiment, a first trigger cavity 25 with an upward opening is arranged on one side of the fixed platform 73 far away from the rotating belt 46, a first compression spring 69 is fixed on the bottom wall of the first trigger cavity 25, a first trigger block 68 is fixed on the top end of the first compression spring 69, a second trigger cavity 24 with an upward opening is arranged on one side of the fixed platform 73 close to the rotating belt 46, a second compression spring 72 with elasticity smaller than that of the first compression spring 69 is fixed on the bottom wall of the second trigger cavity 24, a second trigger block 75 with magnetism is fixed on the top end of the second compression spring 72, a pull rope 70 with the other end fixedly connected with the bottom of the first trigger block 68 is fixed on the bottom surface of the second trigger block 75, a first self-locking rod 66 and a second self-locking rod 102 which are symmetrically arranged are arranged on the top of the second trigger cavity 24, and the bottom ends of the first self-locking rod 66 and the second self-locking rod 102 are in hinged fit with the top end surface of the fixed platform 73, the lower ends of the first self-locking rod 66 and the second self-locking rod 102 are both fixed with self-locking magnets 67, an extension spring 65 is fixed between the first self-locking rod 66 and the second self-locking rod 102, the first self-locking rod 66 and the second self-locking rod 102 are drawn towards the inner side under the tensile force of the extension spring 65, and the top ends of the first self-locking rod 66 and the second self-locking rod 102 are both fixed with self-locking heads 103.
In addition, in one embodiment, the lifting mechanism includes a lifting cavity 11 whose bottom is communicated with the display cavity 13 and a second motor 34 fixedly embedded in the top wall of the lifting cavity 11, a lifting shaft 37 is dynamically connected to the lower end of the second motor 34, a lifting slide block 37 is threadedly connected to the outer side of the lifting shaft 37, the lifting slide block 37 is connected with the lifting cavity 11 in a sliding fit manner, a pullback spring 35 is fixed to the top of the lifting slide block 37, the top of the pullback spring 35 is fixedly connected to the top wall of the lifting cavity 11, the lifting slide block 37 descends under the action of self-weight when the second motor 34 rotates forward, the lifting slide block 37 ascends under the tension of the pullback spring 35 when the second motor 34 rotates backward, a fixed block 38 is fixed to the lower end of the lifting slide block 37, and telescopic cavities 12 which are symmetrical left and right and are opened outward are arranged in the fixed block 38, the inner wall of the telescopic cavity 12 is fixed with a resorption electromagnet 40, one side of the telescopic cavity 12, which is far away from the resorption electromagnet 40, is connected with a magnetic telescopic block 39 in a sliding fit manner, and a telescopic spring 41 is fixedly arranged between the resorption electromagnet 40 and the telescopic block 39.
In addition, in an embodiment, the billboard fixing mechanism includes a billboard fixing body 62, a mounting cavity 26 is provided in an end surface of the billboard fixing body 62 on a side away from the rotating belt 46, a fixing cavity 20 is provided in the billboard fixing body 62, a communicating cavity 19 with an upward opening is provided in a top wall of the fixing cavity 20, fixing magnets 42 are symmetrically and fixedly provided on an inner wall of the fixing cavity 20, the telescopic block 39 can move outward and realize fixing through a suction force between the fixing cavity and the telescopic block 39, a baffle cavity 22 is provided on a lower side of the fixing cavity 20, a self-locking cavity 23 with a downward opening is provided at a bottom end of the billboard fixing body 62, locking head cavities 104 are symmetrically provided on an inner wall of the self-locking cavity 23, the billboard fixing body 62 can be self-locked on the fixing platform 73 through the self-locking head 103 in an initial state, a connecting rod cavity 21 penetrating through the baffle cavity 22 is provided between the fixing cavity 20 and the self-locking cavity 23 in a communicating manner, the connecting rod chamber 21 is internally and slidably connected with a first connecting rod 61 extending up and down, a baffle 63 fixedly connected with the first connecting rod 61 is arranged in the baffle chamber 22, a baffle compression spring 64 is fixed at the bottom end of the baffle 63, and the bottom end of the baffle compression spring 64 is fixed on the bottom end wall of the baffle chamber 22.
In addition, in an embodiment, the self-locking mechanism includes a first driven shaft 85, a second pulley 84, a second driven shaft 82, a first bevel gear 83, a second bevel gear 81 and a centrifugal wheel 101, a top end of the first driven shaft 85 is connected with a top of the transmission cavity 29 in a rotating fit manner, the second pulley 84 is connected with the first driven shaft 85 in a fixed fit manner, a first pulley 86 is connected in the pulley cavity 30 in a rotating fit manner, a top end of the first pulley 86 is connected with one of the rotating pulleys 47 in a power fit manner, a first belt 74 is connected between the first pulley 86 and the second pulley 84 in a power fit manner, the first bevel gear 83 is connected with the first driven shaft 85 in a fixed fit manner and is located at a lower side of the second pulley 84, a right end of the second driven shaft 82 is connected with a right wall of the transmission cavity 29 in a rotating fit manner, the second bevel gear 81 is connected with the second driven shaft 82 in a fixed fit manner and is connected with the first bevel gear The centrifugal wheel 101 is fixedly connected with the second driven shaft in a matched manner and is positioned on the right side of the second bevel gear 81, a plurality of centrifugal cavities 80 with outward openings are arranged in the centrifugal wheel 101, a centrifugal extension spring 79 is fixed on the inner wall of each centrifugal cavity 80, a centrifugal block 78 is fixed at the other end of each centrifugal extension spring 79, when the centrifugal wheel 81 rotates, the centrifugal blocks 78 move outwards under the action of centrifugal force, a pushing cavity 27 extending rightwards is communicated with the upper side of the transmission cavity 29, a cover plate self-locking rod 77 extending rightwards is arranged in each pushing cavity 27, a cover plate lock head 106 is fixed at the tail end of the right side of the cover plate self-locking rod 77, a limiting shaft 76 penetrating through the cover plate self-locking rod 77 is fixed in the pushing cavity 27, the limiting shaft 76 is connected with the cover plate self-locking rod 77 in a sliding fit manner, and movement of the cover plate self-locking rod 77 except the up-down direction is, when the centrifugal block 78 moves outwards, it will push the cover plate self-locking bar 77 to move upwards, so that the cover plate locking head 106 enters the cover plate locking head cavity 107, and the self-locking of the cover plate is completed.
In addition, in one embodiment, the clutch mechanism includes a spline barrel 45, a third driven shaft 88, a first friction disk 98, a pressure plate 91, a fourth driven shaft 95, a second friction disk 92, a third pulley 97 and a fourth pulley 93, the spline barrel 45 is located in the spline cavity 105, the top end of the spline barrel 45 is fixedly connected with the bottom end surface of the first pulley 86, the top end of the third driven shaft 88 is in spline fit connection with the spline barrel 45, so that the third driven shaft 88 can move up and down while transmitting the rotation of the first pulley 86, the top end of the third driven shaft 88 is fixedly provided with a clutch extension spring 94, the other end of the clutch extension spring 94 is fixed with the spline barrel 45, the first friction disk 98 is fixed at the bottom end of the third driven shaft 88, the pressure plate 91 is located above the first friction disk 98 and is in rotation fit connection with the third driven shaft 88, a pressure plate extension spring 99 is fixed at the upper end of the pressure plate 91, the upper end of the pressure plate extension spring 99 is fixedly connected with the top wall of the clutch cavity 31, a clutch magnet 90 is annularly fixed at the upper end of the pressure plate 91, a clutch electromagnet 89 opposite to the clutch magnet 90 is fixedly arranged on the top wall of the clutch cavity 31, the fourth driven shaft 95 is connected with the bottom wall of the clutch cavity 31 in a rotating fit manner, the second friction disc 92 is fixed at the top end of the fourth driven shaft 95, and by opening the clutch electromagnet 89, the pressure plate 91 can drive the first friction disc 98 to move downwards under the action of the repulsive force, the first friction disc 98 and the second friction disc 92 are contacted to complete the transmission, the third pulley 97 is located at the lower side of the second friction disk 92 and is fixedly connected with the fourth driven shaft 95, the fourth pulley 93 is located below the third pulley 97 and is fixedly connected to the fourth driven shaft 95.
On the basis of the technical scheme, a first movable pulley cavity 33 extending to the left side is arranged in the left side wall of the clutch cavity 31 in a communicated manner, a second movable pulley cavity 32 extending to the right side is arranged in the right side wall of the clutch cavity 31 in a communicated manner, a fifth belt pulley 108 is connected in the first movable pulley cavity 33 in a rotationally matched manner, a sixth belt pulley 87 is connected in the second movable pulley cavity 32 in a rotationally matched manner, a second belt 96 is connected between the fifth belt pulley 108 and the third belt pulley 97 in a power matched manner, a third belt 100 is connected between the sixth belt pulley 87 and the fourth belt pulley 93 in a power matched manner, a fifth driven shaft 109 is connected to the top wall of the first movable pulley cavity 33 in a rotationally matched manner, the fifth driven shaft 109 is fixedly connected with the fifth belt pulley 108 and extends downwards to the moving mechanism, a sixth driven shaft 49 is connected to the top wall of the second movable pulley cavity 32 in a rotationally matched manner, the sixth driven shaft 49 is fixedly connected to the sixth pulley 87 and extends downward to the moving mechanism.
In addition, in one embodiment, the moving mechanism includes a moving self-locking cavity 17 and a fixed plate cavity 16 located at the lower side of the moving self-locking cavity 17, a moving lifting block 50 is arranged in the moving self-locking cavity 17, a sixth driven shaft 49 which extends up and down is connected in a rotating fit manner in the top wall of the moving self-locking cavity 17, the top end of the sixth driven shaft 49 at the left side is fixedly connected with the bottom end surface of the fifth belt pulley 108 in a matching manner, the top end of the sixth driven shaft 49 at the right side is fixedly connected with the bottom end surface of the sixth belt pulley 87 in a matching manner, a moving lifting block 50 is connected in a threaded fit manner in the bottom section of the sixth driven shaft 49, a moving tension spring 48 is fixed on the top end surface of the moving lifting block 50, the upper end of the moving tension spring 48 is fixed with the upper wall of the moving self-locking cavity 17, under the self-weight of the moving lifting block 50, under the action of the tensile force of the movable extension spring 48, the sixth driven shaft 49 rotates reversely to drive the movable lifting block 50 to move upwards, a lifting plate 51 is fixed at the bottom end of the movable lifting block 50, lifting rods 52 are symmetrically fixed at the left side and the right side of the bottom of the lifting plate 51, a friction block 53 is fixed on the lifting rod 52, the friction block 53 is in contact with a wheel 57 to complete self-locking, a sensor 54 is further symmetrically fixed in the movable self-locking cavity 17, the sensor 54 is located at the lower side of the lifting rod 52, when the lifting rod 52 is in contact with the sensor 54, the clutch electromagnet 89 is closed, the clutch mechanism is not in transmission any more, the moving mechanism is kept in a locking state, a fixed plate 55 is fixed in the fixed plate cavity 16, a fixed rod 56 is fixed at the lower side of the fixed plate 55, and the wheel 57 is connected to the fixed rod 56 in, the top section of the wheel 57 is located within the mobile self-locking chamber 17.
In the initial state, the cover plate 58 is in the vertical state, and further the pushing cavity 76 is in the state of being communicated with the cover plate self-locking cavity 28, at this time, the cover plate lock head 106 at the right end of the cover plate self-locking rod 77 is positioned in the cover plate self-locking cavity 28, the first compression spring 69 is compressed under the action of the gravity of the billboard fixing body 62, the pull rope 70 is loosened, the second compression spring 72 drives the second trigger block 75 to enter the self-locking cavity 23 under the thrust action of the second compression spring 72, and the magnetism of the second trigger block 75 is repulsive to the self-locking magnet 67, the self-locking magnet 67 drives the first self-locking bar 66 and the second self-locking bar 102 to open towards two sides under the repulsive force, the extension spring 65 is extended, the self-locking head 103 enters the locking head cavity 104, so that the billboard fixing main body 62 and the fixed platform 73 are in a locking state, under the upward thrust of the flap compression spring 64, the flap 63 drives the top end of the connecting rod 61 to protrude out of the fixed cavity 20.
Mechanical action sequence of the whole device:
1: the cover plate 58 is opened, the billboard to be displayed is loaded in the mounting cavity 26 of the billboard fixing main body 62, the cover plate 58 is closed, the pushing device is pushed to the position to be displayed, the first motor 59 is started to drive the driving shaft 60 to rotate, thereby driving the rotating belt wheel 47 to rotate, thereby driving the rotating belt 46 to rotate, the connecting rod 44 drives the moving platform 43 to rotate annularly in the storage cavity along the guide rail 15, and the rotating belt wheel 47 rotates to drive the first belt wheel 86 and the spline cylinder 45 to rotate, thereby driving the second belt wheel 84 to rotate, thereby driving the first driven shaft 85 and the first bevel gear 83 to rotate, thereby driving the second bevel gear 81 and the second driven shaft 82 to rotate, thereby driving the centrifugal wheel 101 to rotate, thereby enabling the centrifugal block 78 to move outwards under the action of centrifugal force, thereby pushing the cover plate locking lever 77 to move upwards, and enabling the cover plate locking head 106 to enter the cover plate locking, thereby completing the self-locking of the cover plate 58 and making it impossible to open the cover plate 58 from the outside.
2: the clutch electromagnet 89 is opened when the first motor 59 is started, the spline cylinder 45 rotates to drive the third driven shaft 88 to rotate, so as to drive the first friction disc 98 to rotate, the repulsive force between the clutch electromagnet 89 and the clutch magnet 90 overcomes the pulling force of the pressing plate extension spring 99 to push the pressing plate 91 to move downwards, so as to drive the first friction disc 98 and the third driven shaft 88 to move downwards to contact with the second friction disc 92 overcoming the pulling force of the clutch extension spring 94, so as to drive the second friction disc 92 and the fourth driven shaft 95 to rotate, so as to drive the third belt pulley 97 and the fourth belt pulley 93 to rotate, the third belt pulley 97 drives the fifth belt pulley 108 to rotate through the transmission of the second belt 96, and the fourth belt pulley 93 drives the sixth belt pulley 87 to rotate through the transmission of the third belt 100, so as to drive the fifth belt pulley 108 and the sixth belt pulley 87 to respectively drive the sixth belt pulley 49 on the left side and the right side to rotate, so as to drive, therefore, the lifting plate 51, the lifting rod 52 and the friction block 53 are driven to move downwards, the friction block 53 is in contact with the wheel 57 to lock the wheel 57, when the friction block 53 is in contact with the bottom surface of the moving self-locking cavity 17 downwards, the sensor 54 sends a signal, the clutch electromagnet 89 is closed, the pressure plate 91 moves upwards under the action of the tension of the pressure plate extension spring 99, the third driven shaft 88 moves upwards under the action of the clutch extension spring 94 to drive the first friction disc 98 to move upwards, the first friction disc 98 is separated from the second friction disc 92, and the second friction disc 92 stops rotating.
3: when the advertising board to be displayed is determined, the first motor 59 is turned off, the second motor 34 is started to drive the lifting shaft 36 to rotate, so as to drive the lifting sliding block 38 to move downwards, after the lifting sliding block 38 drives the fixing block 38 to completely enter the fixing cavity 20, the fixing magnet 42 is magnetically attracted with the telescopic block 39, the telescopic block 39 moves outwards under the action of attraction, so as to fix the advertising board fixing main body 62, the connecting rod 61 is pressed downwards when the fixing block 38 enters the fixing cavity 20, the baffle plate compression spring 64 is compressed under the action of downward pressure, the baffle plate 63 drives the connecting rod 61 to move downwards, the second trigger block 75 is driven to move downwards to return to the second trigger cavity 72 by overcoming the thrust of the second compression spring 72, the second compression spring 72 is compressed, the tension of the tension spring 65 drives the first self-locking rod 66 and the second self-locking rod 102 to move inwards, so that the advertising board fixing main body 62 and the fixing platform 73 are unlocked, second motor 34 reverses, drives the reversal of telescopic shaft 36, under the ascending pulling force of pullback spring 35, lift sliding block 37 upward movement, thereby drive fixed block 38 and rise, thereby drive the fixed main part 62 of bill-board and rise, the fixed main part 62 of bill-board gets into show chamber 13, because first compression spring 69 elasticity is greater than second compression spring 72, under the thrust effect of first compression spring 69, first trigger block 68 upward movement, to installation cavity 26 and the coincidence of show area 71, the show is accomplished to the bill-board, close second motor 34.
4: after the display is finished, the second motor 34 is started to drive the lifting shaft 36 to rotate, so as to drive the lifting sliding block 38 to move downwards, so as to drive the fixed block 38 and the billboard fixing main body 62 to move downwards until the bottom surface of the billboard fixing main body 62 is contacted with the fixed platform 73, the suck-back electromagnet 40 is started, the suck-back electromagnet 40 and the telescopic block 39 are magnetically attracted, under the action of attraction, the telescopic block 39 moves inwards to return into the telescopic cavity 12, the second motor 34 rotates reversely to drive the telescopic shaft 36 to rotate reversely, under the upward pulling force of the pull-back spring 35, the lifting sliding block 37 moves upwards to drive the fixed block 38 to lift up, under the pushing force of the baffle compression spring 64, the baffle 63 moves upwards to drive the connecting rod 61 to move upwards, under the pushing force of the second compression spring 72, the second trigger block 75 moves upwards, under the repulsive force of the second trigger block 75 and the self-locking magnet 67, the self-locking magnet 67 drives the first self-locking lever 66 and the second self-locking lever, the extension spring 65 is extended to enter the lock cavity 104 from the lock 103, so that the billboard fixing body 62 and the fixing platform 73 return to the locking state, the fixing block 38 returns to the initial point, the second motor 34 is turned off, and the suck-back electromagnet 40 is turned off.
The invention has the beneficial effects that: the invention has simple structure and convenient operation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a display device for LED bill-board, includes the main tank body, its characterized in that: the storage box is characterized in that a storage cavity is arranged in the main box body, an open slot which is rightwards arranged relative to the opening is arranged in the right side wall of the storage cavity, a cover plate is hinged to the right end of the main box body, a guide rail is arranged on the bottom wall of the storage cavity in a fitted manner, a plurality of moving tables are slidably matched with the top of the guide rail, a fixing table is fixedly arranged at the top of the moving table, a billboard fixing mechanism is arranged at the top end of the fixing table, rotating belt wheels are connected to the bottom wall of the storage cavity in a rotating and matching manner, the peripheries of the rotating belt wheels are distributed and arranged, a rotating belt is dynamically connected to the rotating belt wheels and is positioned between the guide rail and the rotating belt wheels, a connecting rod which is fixedly matched and connected with the moving tables is arranged on one side, close to the guide rail, a first motor is fixedly arranged in the top wall of, still be equipped with the show chamber in the roof in storage chamber, the left side wall in show chamber is equipped with the show area that is linked together the setting with the exterior space, the show intracavity is equipped with and is used for control the elevating system that bill-board fixed establishment goes up and down, storage chamber bottom is equipped with the band pulley chamber, band pulley chamber downside is equipped with the spline chamber, spline chamber downside is equipped with the separation and reunion chamber, band pulley chamber right side intercommunication is equipped with the transmission chamber, the transmission intracavity is equipped with self-locking mechanism, main bottom of the case portion bilateral symmetry is equipped with moving mechanism, the separation and reunion intracavity is equipped with clutch control moving mechanism's power transmission's clutching mechanism.
2. A display device for LED billboards as claimed in claim 1, wherein: the cover plate is internally provided with a cover plate self-locking cavity with a left opening, and the upper side of the cover plate self-locking cavity is communicated with a cover plate lock head cavity.
3. A display device for LED billboards as claimed in claim 1, wherein: a first trigger cavity with an upward opening is arranged on one side, far away from the rotating belt, of the fixed table, a first compression spring is fixed on the bottom wall of the first trigger cavity, a first trigger block is fixed on the top end of the first compression spring, a second trigger cavity with an upward opening is arranged on one side, close to the rotating belt, of the fixed table, a second compression spring with elasticity smaller than that of the first compression spring is fixed on the bottom wall of the second trigger cavity, a second trigger block with magnetism is fixed on the top end of the second compression spring, a pull rope with the other end fixedly connected with the bottom of the first trigger block is fixed on the bottom surface of the second trigger block, a first self-locking rod and a second self-locking rod which are symmetrically arranged are arranged on the top of the second trigger cavity, the bottom ends of the first self-locking rod and the second self-locking rod are in hinged fit with the top end face of the fixed table, and self-locking magnets are fixed at the lower ends of the first self-locking rod, an extension spring is fixed between the first self-locking rod and the second self-locking rod, and self-locking heads are fixed at the top ends of the first self-locking rod and the second self-locking rod.
4. A display device for LED billboards according to claim 1, wherein: elevating system include the bottom with the show chamber is linked together the lift chamber that sets up and inlay admittedly in the second motor in the lift chamber roof, second motor lower extreme power is connected with the lift axle, lift off-axial outside threaded connection has the lift sliding block, the lift sliding block with lift chamber sliding fit connects, the lift sliding block top is fixed with the pull-back spring, the top of pull-back spring with lift chamber roof fixed connection, lift sliding block lower extreme is fixed with the fixed block, be equipped with left and right sides symmetry and the outside flexible chamber of opening in the fixed block, flexible intracavity wall is fixed with the resorption electro-magnet, flexible chamber is kept away from resorption electro-magnet one side sliding fit is connected with has the flexible piece of magnetism, the resorption electro-magnet with set firmly expanding spring between the flexible piece.
5. A display device for LED billboards according to claim 1, wherein: the billboard fixing mechanism comprises a billboard fixing main body, an installation cavity is arranged in the end face of the billboard fixing main body, which is far away from one side of the rotating belt, a fixed cavity is arranged in the billboard fixing main body, a communicating cavity with an upward opening is arranged in the top wall of the fixed cavity, the inner wall of the fixed cavity is symmetrically and fixedly provided with fixed magnets, the lower side of the fixed cavity is provided with a baffle cavity, the bottom end of the billboard fixing main body is provided with a self-locking cavity with a downward opening, the inner wall of the self-locking cavity is symmetrically provided with a lock head cavity, a connecting rod cavity penetrating through the baffle cavity is communicated between the fixed cavity and the self-locking cavity, a first connecting rod extending up and down is connected in the connecting rod cavity in a sliding manner, the baffle cavity is internally provided with a baffle fixedly connected with the first connecting rod, the bottom end of the baffle is fixedly provided with a baffle compression spring, and the bottom end of the baffle compression spring is fixed with the bottom wall of the baffle cavity.
6. A display device for LED billboards according to claim 1, wherein: the self-locking mechanism comprises a first driven shaft, a second belt wheel, a second driven shaft, a first bevel gear, a second bevel gear and a centrifugal wheel, the tail end of the top of the first driven shaft is connected with the top of the transmission cavity in a rotating matching manner, the second belt wheel is fixedly connected with the first driven shaft in a matching manner, the first belt wheel is connected in the belt wheel cavity in a rotating matching manner, the tail end of the top of the first belt wheel is connected with one of the rotating belt wheels in a power matching manner, a first belt is connected between the first belt wheel and the second belt wheel in a power matching manner, the first bevel gear is fixedly connected with the first driven shaft in a matching manner and is positioned at the lower side of the second belt wheel, the tail end of the right side of the second driven shaft is connected with the right wall of the transmission cavity in a rotating matching manner, the second bevel gear is fixedly connected with the second driven shaft in a matching manner and is meshed with the first bevel gear, the centrifugal wheel inner ring is equipped with the outside centrifugal chamber of a plurality of openings, be fixed with centrifugal extension spring on the centrifugal intracavity wall, the centrifugal extension spring other end is fixed with centrifugal piece, the transmission chamber upside is linked together and is equipped with the chamber of advancing that extends right, it is right to pass the chamber opening, it is equipped with the apron auto-lock pole that extends right to pass the intracavity, apron auto-lock pole right side end is fixed with the apron tapered end, it is fixed with the spacing axle that runs through apron auto-lock pole to pass the intracavity, spacing axle with apron auto-lock pole sliding fit connects.
7. A display device for LED billboards according to claim 1, wherein: the clutch mechanism comprises a spline cylinder, a third driven shaft, a first friction disc, a pressure plate, a fourth driven shaft, a second friction disc, a third belt wheel and a fourth belt wheel, the spline cylinder is positioned in the spline cavity, the tail end of the top of the spline cylinder is fixedly connected with the bottom end surface of the first belt wheel, the top end of the third driven shaft is in spline fit connection with the spline cylinder, a clutch extension spring is fixed at the top end of the third driven shaft, the other end of the clutch extension spring is fixed with the spline cylinder, the first friction disc is fixed at the tail end of the bottom of the third driven shaft, the pressure plate is positioned on the upper side of the first friction disc and is in rotation fit connection with the third driven shaft, a pressure plate extension spring is fixed at the upper end of the pressure plate, the upper end of the pressure plate extension spring is fixedly connected with the top wall of the clutch cavity, a clutch magnet is annularly fixed at the upper end, the fourth driven shaft is connected with the bottom wall of the clutch cavity in a rotating fit mode, the second friction disc is fixed at the tail end of the top of the fourth driven shaft, the third belt wheel is located on the lower side of the second friction disc and fixedly connected with the fourth driven shaft, and the fourth belt wheel is located on the lower side of the third belt wheel and fixedly connected with the fourth driven shaft.
8. A display device for LED billboards according to claim 7, wherein: the left side wall of separation and reunion chamber is equipped with the first removal pulley chamber that extends the setting to the left side in the intercommunication, be linked together in the right side wall of separation and reunion chamber and be equipped with the second that extends the setting to the right side and remove the pulley chamber, first removal pulley intracavity normal running fit is connected with the fifth band pulley, second removal pulley intracavity normal running fit is connected with the sixth band pulley, the fifth band pulley with power fit is connected with the second belt between the third band pulley, the sixth band pulley with power fit is connected with the third belt between the fourth band pulley.
9. A display device for LED billboards according to claim 1, wherein: the moving mechanism comprises a moving self-locking cavity and a fixed plate cavity positioned on the lower side of the moving self-locking cavity, a moving lifting block is arranged in the moving self-locking cavity, a sixth driven shaft which extends up and down is connected with the top wall of the moving self-locking cavity in a rotating fit manner, the top end of the sixth driven shaft on the left side is fixedly matched and connected with the bottom end face of the fifth belt pulley, the top end of the sixth driven shaft on the right side is fixedly matched and connected with the bottom end face of the sixth belt pulley, the bottom section of the sixth driven shaft is connected with a moving lifting block in a threaded fit manner, a moving stretching spring is fixed on the top end face of the moving lifting block, the upper end of the moving stretching spring is fixed with the upper wall of the moving self-locking cavity, a lifting plate is fixed at the bottom end of the moving lifting block, lifting rods are symmetrically, the movable self-locking cavity is further symmetrically and fixedly provided with sensors, the sensors are located at the lower side position of the lifting rod, a fixing plate is fixedly arranged in the fixing plate cavity, a fixing rod is fixedly arranged on the lower side of the fixing plate, the fixing rod is connected with the wheels in a rotating fit mode, and the top sections of the wheels are located in the movable self-locking cavity.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044776.2A CN110689824B (en) | 2019-10-30 | 2019-10-30 | Display device for LED advertising board |
| JP2020028559A JP6841998B1 (en) | 2019-10-30 | 2020-02-21 | LED signboard display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044776.2A CN110689824B (en) | 2019-10-30 | 2019-10-30 | Display device for LED advertising board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110689824A true CN110689824A (en) | 2020-01-14 |
| CN110689824B CN110689824B (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911044776.2A Expired - Fee Related CN110689824B (en) | 2019-10-30 | 2019-10-30 | Display device for LED advertising board |
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| Country | Link |
|---|---|
| JP (1) | JP6841998B1 (en) |
| CN (1) | CN110689824B (en) |
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| CN111477129A (en) * | 2020-06-09 | 2020-07-31 | 嵊州略白广告有限公司 | Equipment convenient to change and clean bill-board |
| CN111533053A (en) * | 2020-05-14 | 2020-08-14 | 温州陆戏智能科技有限公司 | Motion interlocking lifting platform capable of automatically detecting placement balance |
| CN112075812A (en) * | 2020-09-25 | 2020-12-15 | 广州互媒盈动文化传媒科技有限公司 | Multimedia information display rack |
| CN112201181A (en) * | 2020-10-27 | 2021-01-08 | 嵊州略白广告有限公司 | Windproof high-speed billboard bracket with self-maintenance function |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110689824B (en) | 2020-04-21 |
| JP2021071706A (en) | 2021-05-06 |
| JP6841998B1 (en) | 2021-03-17 |
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Granted publication date: 20200421 |