CN114909555A - Can accomodate dirt-proof LED screen support frame - Google Patents

Can accomodate dirt-proof LED screen support frame Download PDF

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Publication number
CN114909555A
CN114909555A CN202210420050.XA CN202210420050A CN114909555A CN 114909555 A CN114909555 A CN 114909555A CN 202210420050 A CN202210420050 A CN 202210420050A CN 114909555 A CN114909555 A CN 114909555A
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China
Prior art keywords
led screen
dust
rod
frame
mounting
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Granted
Application number
CN202210420050.XA
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Chinese (zh)
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CN114909555B (en
Inventor
马翠玲
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Zongyun Technology Guangzhou Co Ltd
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Zongyun Technology Guangzhou Co Ltd
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Publication of CN114909555A publication Critical patent/CN114909555A/en
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Publication of CN114909555B publication Critical patent/CN114909555B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B17/00—Methods preventing fouling
    • B08B17/02—Preventing deposition of fouling or of dust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • 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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention relates to an LED screen support frame, in particular to an LED screen support frame capable of being stored and prevented from dust. According to the LED screen dust collection box, the LED screen is installed on the installation plate, the LED screen can be used, when the LED screen does not need to be used, the LED screen is pulled to swing ninety degrees downwards through the rotating mechanism, then the driving mechanism is started to drive the rotating mechanism to move downwards, the rotating mechanism drives the LED screen to move downwards through the installation plate, the LED screen moves downwards to the dust prevention box to be stored, the dust prevention box can also prevent dust from falling onto the LED screen, and therefore the dust can be prevented from falling onto the LED screen to influence the watching of follow-up people.

Description

Can accomodate dirt-proof LED screen support frame
Technical Field
The invention relates to an LED screen support frame, in particular to an LED screen support frame capable of being stored and prevented from dust.
Background
When the LED screen is in the in-process of using, in order to make the LED screen can place more firm, generally all can use the support frame to support fixedly to the LED screen.
Chinese patent publication No. CN203363566U discloses an LED screen support frame, which comprises a support body with bolt fixing holes, and the key is: the support frame also comprises a fixed base and a curved surface cantilever connected between the fixed base and the support body, wherein a horizontal plane fixed hole position is arranged in the fixed base, and the support body, the curved surface cantilever and the fixed base are of an integrated structure. The LED screen fixing device has the beneficial effects that the LED screen fixing device is suitable for fixing in the horizontal direction, the structure is simple, the cost is low, the appearance is attractive, although the LED screen can be supported and fixed, the LED screen is exposed outside for a long time, dust is easily adhered to the LED screen, and the watching of subsequent people is influenced.
The invention aims to solve the problems in the patent, and provides the LED screen support frame capable of accommodating and preventing dust, which can be used for accommodating an LED screen and preventing the dust from being stuck on the LED screen to influence the watching of subsequent people.
Disclosure of Invention
In order to overcome the defect that the LED screen can be supported and fixed, but the LED screen is exposed outside for a long time, so that dust is easily adhered to the LED screen and watching of people is affected, the invention provides the LED screen support frame capable of accommodating the LED screen and preventing the dust from adhering to the LED screen to affect watching of follow-up people.
The invention is realized by the following technical approaches:
the utility model provides a can accomodate dirt-proof LED screen support frame, which comprises a supporting frame, the mounting panel, the mounting bracket, the dust-proof box, actuating mechanism and slewing mechanism, the rigid coupling has the mounting bracket between four sides in the support frame, the inboard rigid coupling in mounting bracket rear portion has and is used for avoiding the dust to drop to the dust-proof box on the LED screen, slewing mechanism is installed at the mounting bracket top, be connected with the mounting panel that is used for the LED screen installation on the slewing mechanism, install the actuating mechanism who is used for driving the slewing mechanism function between support frame and the mounting bracket, actuating mechanism is connected with slewing mechanism.
Further, the driving mechanism comprises a fixing frame, a servo motor, a conical-toothed disc and a lead screw, the rotary lead screw is connected in the middle of the mounting frame in a penetrating mode and used for driving the rotating mechanism to move up and down, the upper portion of the lead screw is connected with the rotating mechanism, the fixing frame is fixedly connected between the rear sides of the tops of the left side and the right side of the supporting frame, the servo motor is installed in the middle of the fixing frame, the conical-toothed disc is fixedly installed on the end portion of an output shaft of the servo motor and the bottom end of the lead screw in a fixing mode, and the two conical-toothed discs are meshed with each other.
Further explanation, slewing mechanism is including the guide arm, the slider, the installation pole, link and carousel, the cover through screw thread rotary type is equipped with the slider on the lead screw, slider rear end rigid coupling has the installation pole, the cover of installation pole middle part bilateral symmetry rotary type is equipped with the link, there is the damping to feel between link and the installation pole, the rotary type is connected with the carousel between the link rear side of the left and right sides, the carousel rotates with mounting panel leading flank middle part to be connected, there is the damping to feel between carousel and the mounting panel, bilateral symmetry rigid coupling has the guide arm that is used for leading the slider in the middle of the mounting panel top, the slider is run through on the guide arm top.
Further, the screw rod device further comprises a limiting block, and the top end of the screw rod is fixedly connected with the limiting block.
Further, the LED screen positioning device also comprises a guide mechanism used for positioning the LED screen, the guide mechanism comprises a limiting frame, an inclined block, a magnetic sleeve, a guide rod, a first spring, a push plate, guide pillars and a second spring, the limiting frame is fixedly connected to the front side of the middle part of the mounting frame in a bilateral symmetry manner, the guide pillars are connected to the upper parts of the leftmost side and the rightmost side of the limiting frame in a sliding manner, the push plate used for positioning the LED screen is fixedly connected between the rear ends of the two guide pillars on the left side and between the rear ends of the two guide pillars on the right side, the second spring is connected between the left side and the right side of the front side of the push plate and the front side of the limiting frame respectively, the second spring is sleeved on the guide pillars, the guide rods are connected to the tops of the two sides of the middle part of the limiting frame in a sliding manner, the inclined block used for driving the push plate to move backwards is sleeved between the guide rods on the left side and the right side, the outer bottom of the inclined block and the outer top of the limiting frame are connected with the first spring, the first spring is sleeved on the guide rod, the magnetic block is fixedly connected to the rear end of the inclined block, and magnetic sleeves for driving the magnetic block to move downwards are fixedly sleeved on the left side and the right side of the mounting rod.
The dust removing mechanism comprises an accelerating component, a rotating rod, short shafts, fans, a belt component, a transmission component, L-shaped plates, short rods, fixed blocks, bevel gears and long rods, wherein the rear parts of the left side and the right side of the dust preventing box are fixedly connected with two fans for removing dust in the dust preventing box in a penetrating manner, the outer ends of output shafts of the fans are fixedly connected with the short shafts, the belt component is connected between the right side of the two short shafts on the left side and the left side of the two short shafts on the right side, the belt component comprises two belt pulleys and a flat belt, the two belt pulleys are respectively fixedly sleeved on the two short shafts, the flat belt is wound between the two belt pulleys, the L-shaped plates are fixedly connected on the rear sides of the outer bottoms of the mounting frames in a bilateral symmetrical manner, the short rods are rotatably connected in the penetrating manner on the lower parts of the L-shaped plates, the transmission component is connected between the outer sides of the short rods and the outer sides of the short shafts, and the transmission component comprises two belt pulleys and the flat belt, one of the belt pulleys is fixedly sleeved outside a short shaft, the other belt pulley is fixedly sleeved outside a short rod, a flat belt is wound between the two belt pulleys, fixed blocks are fixedly connected in the middle of the outer bottom of the mounting frame in a bilateral symmetry mode, a long rod is rotatably connected in the middle of the lower portion of each fixed block in a penetrating mode, bevel gears are fixedly sleeved on the rear side of each long rod and the inner side of the short rod, the two bevel gears on the left side are meshed, the two bevel gears on the right side are meshed, acceleration assemblies are connected between the output shaft of the servo motor and the front sides of rotating rods on the left side and the right side respectively, each acceleration assembly is composed of a large belt pulley, a small belt pulley and a flat belt, the large belt pulley is fixedly sleeved on the output shaft of the servo motor, the small belt pulley is fixedly sleeved on the front sides of the rotating rods, and the flat belt is wound between the large belt pulley and the small belt pulley.
The LED screen damping device comprises a light-emitting diode (LED) screen, and is characterized by further comprising a damping mechanism used for buffering the LED screen, wherein the damping mechanism comprises a sponge plate, guide posts and a third spring, the sponge plate used for buffering the LED screen is placed in a dustproof box, the guide posts used for guiding the sponge plate are connected in a bilateral symmetry sliding mode between the bottom and the rear side of the bottom of the mounting frame in a penetrating mode, the top ends of the guide posts are fixedly connected with the bottom of the sponge plate, and the third spring is connected between the outer bottom of the mounting frame and the lower parts of the guide posts.
Further explain, still including being used for carrying out the collection mechanism that collects to the dust, collect the mechanism including swash plate, collection frame and L type frame, the installation frame is outer all that the left and right sides face rigid coupling has L type frame, and L type frame medial surface rigid coupling has the swash plate that is used for leading to the dust, and the rigid coupling has the collection frame that is used for collecting the dust between the left and right sides swash plate bottom.
The invention has the remarkable advantages that:
1. install the LED screen on the mounting panel, can begin to use the LED screen, when the LED screen need not to use, stimulate the LED screen through the ninety degrees of slewing mechanism downstream, restart actuating mechanism drives slewing mechanism downstream, slewing mechanism drives the LED screen downstream through the mounting panel, the LED screen downstream is accomodate in to the dustproof box, the dustproof box can also avoid the dust to drop to the LED screen, so, can avoid the dust to drop to influence follow-up people on the LED screen and watch.
2. Under guiding mechanism's effect, when the LED screen moves down to suitable position, guiding mechanism operates and promotes the LED screen just to correspond with dustproof box, so, can avoid LED screen position inaccurate, lead to can not moving to dustproof box in dustproof.
3. Under the effect of dust removal mechanism, can remove dust in to dustproof box, the dust removal back in the dustproof box, the LED screen removes to in the dustproof box again, so, can avoid the interior dust that has of dustproof box to glue on the LED screen.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a partial perspective view of the driving mechanism of the present invention.
Fig. 4 is a partial sectional structural schematic view of the rotating mechanism of the present invention.
Fig. 5 is a schematic perspective view of a part of the guide mechanism of the present invention.
Fig. 6 is an enlarged schematic view of part a of the present invention.
Fig. 7 is a partial sectional structural schematic view of the dust removing mechanism of the present invention.
Fig. 8 is an enlarged view of part B of the present invention.
Fig. 9 is a partial sectional structural schematic view of the damper mechanism of the present invention.
Fig. 10 is a schematic perspective view of a portion of the collection mechanism of the present invention.
The meaning of the reference symbols in the figures: 1. a supporting frame, 2, a mounting plate, 21, a mounting frame, 3, a dust-proof box, 4, a driving mechanism, 41, a fixing frame, 42, a servo motor, 43, a bevel gear disc, 44, a screw rod, 5, a rotating mechanism, 51, a guide rod, 52, a sliding block, 53, a mounting rod, 54, a connecting frame, 55, a rotating disc, 56, a limiting block, 6, a guiding mechanism, 61, a limiting frame, 62, an inclined block, 63, a magnetic block, 64, a magnetic sleeve, 65, a guiding rod, 66, a first spring, 67, a push plate, 68, a guide column, 69, a second spring, 7, a dust removing mechanism, 71, an accelerating assembly, 72, a rotating rod, 73, a short shaft, 74, a fan, 75, a belt assembly, 76, a transmission assembly, 77, an L-shaped plate, 78, a short rod, 79, a fixing block, 710, a bevel gear, 711, a long rod, 8, a damping mechanism, 81, a sponge plate, 82, a guide column, 83, a third spring, 9 and a collecting mechanism, 91. a sloping plate 92, a collecting frame 93 and an L-shaped frame.
Detailed Description
The invention is further explained by combining the drawings in the specification and the embodiments of the invention are given by combining the drawings in the specification.
Example 1
The utility model provides a can accomodate dirt-proof LED screen support frame, including support frame 1, mounting panel 2, mounting bracket 21, dustproof box 3, actuating mechanism 4 and slewing mechanism 5, please refer to and show in fig. 1-4, mounting bracket 21 is installed through bolted connection's mode between four sides in the support frame 1, the inboard rigid coupling in mounting bracket 21 rear portion has dustproof box 3, dustproof box 3 can avoid the dust to drop to the LED screen on, slewing mechanism 5 is installed at mounting bracket 21 top, be connected with mounting panel 2 on slewing mechanism 5, operating personnel can install the LED screen on mounting panel 2, install actuating mechanism 4 between support frame 1 and the mounting bracket 21, actuating mechanism 4 is connected with slewing mechanism 5, when actuating mechanism 4 functions, actuating mechanism 4 can realize driving slewing mechanism 5 and operate.
The driving mechanism 4 includes a fixing frame 41, a servo motor 42, a bevel gear 43 and a screw rod 44, please refer to fig. 1-3, the screw rod 44 is rotatably connected in the middle of the mounting frame 21, the upper portion of the screw rod 44 is connected with the rotating mechanism 5, when the screw rod 44 rotates forward and backward alternately, the screw rod 44 can drive the rotating mechanism 5 to move up and down, the fixing frame 41 is installed between the rear sides of the top portions of the left and right sides of the support frame 1 by welding, the servo motor 42 is installed in the middle of the fixing frame 41, the bevel gear 43 is fixedly installed on the end portion of the output shaft of the servo motor 42 and the bottom end of the screw rod 44, and the two bevel gear 43 are engaged with each other.
The rotating mechanism 5 includes a guide rod 51, a slider 52, a mounting rod 53, a connecting frame 54 and a rotating disc 55, please refer to fig. 1 and 4, the slider 52 is sleeved on the screw rod 44 in a threaded rotating manner, the mounting rod 53 is mounted at the rear end of the slider 52 in a welding connection manner, the connecting frame 54 is sleeved in the middle of the mounting rod 53 in a bilateral symmetry rotating manner, a damping effect is provided between the connecting frame 54 and the mounting rod 53, the rotating disc 55 is rotatably connected between the rear sides of the left and right side connecting frames 54, the rotating disc 55 is rotatably connected with the middle of the front side surface of the mounting plate 2, the damping effect is provided between the rotating disc 55 and the mounting plate 2, the guide rod 51 is fixedly connected in the middle of the top of the mounting frame 21 in a bilateral symmetry manner, the top end of the guide rod 51 penetrates through the slider 52, and the guide rod 51 can guide the slider 52.
A limiting block 56 is further included, as shown in fig. 4, the top end of the screw rod 44 is fixedly connected with the limiting block 56.
Firstly, an operator installs an LED screen on a mounting plate 2 through a bolt, the LED screen can be started to use, in the using process, the operator can adjust the angle of the LED screen through a rotating mechanism 5, when the LED screen is not needed to be used, the LED screen is closed, the LED screen is pulled to swing downwards through the rotating mechanism 5, when the LED screen swings ninety degrees downwards, the LED screen stops being pulled to swing downwards, a driving mechanism 4 is started, the driving mechanism 4 operates to drive the rotating mechanism 5 to move downwards, the rotating mechanism 5 moves downwards to drive the mounting plate 2 to move downwards, the mounting plate 2 moves downwards to drive the LED screen to move downwards, when the LED screen moves downwards to be stored in a dust-proof box 3, the driving mechanism 4 is closed, the driving mechanism 4 stops driving the rotating mechanism 5 to move downwards, the rotating mechanism 5 stops driving the LED screen to move downwards through the mounting plate 2, the dustproof box 3 prevents dust on the LED screen, and prevents dust from falling onto the LED screen to influence subsequent watching. When the LED screen needs to be used, the driving mechanism 4 is started to operate to drive the rotating mechanism 5 to move upwards for resetting, the rotating mechanism 5 is reset to drive the LED screen to move upwards for resetting through the mounting plate 2, the driving mechanism 4 is closed, the LED screen is pulled to swing ninety degrees upwards through the rotating mechanism 5 for resetting, and the LED screen can be continuously used.
When the LED screen is not needed to be used and swings ninety degrees downwards, the servo motor 42 is started to rotate reversely, the servo motor 42 rotates reversely to drive the front-side conical fluted disc 43 to rotate reversely, the front-side conical fluted disc 43 rotates reversely to drive the rear-side conical fluted disc 43 to rotate reversely, the rear-side conical fluted disc 43 rotates reversely to drive the lead screw 44 to rotate reversely, the lead screw 44 rotates reversely to drive the rotating mechanism 5 to move downwards through the threads, the rotating mechanism 5 moves downwards to drive the LED screen to move downwards through the mounting plate 2, when the LED screen moves downwards into the dust-proof box 3, the servo motor 42 is turned off, the servo motor 42 stops driving the front-side conical fluted disc 43 to rotate reversely, the front-side conical fluted disc 43 stops driving the rear-side conical fluted disc 43 to rotate reversely, the rear-side conical fluted disc 43 stops driving the lead screw 44 to rotate reversely, the lead screw 44 stops driving the rotating mechanism 5 to move downwards, the LED screen also stops moving downwards, and the dust-proof box 3 prevents dust from falling onto the LED screen. When the LED screen needs to be used, the servo motor 42 is started to rotate positively, the servo motor 42 rotates positively to drive the front side conical fluted disc 43 to rotate positively, the front side conical fluted disc 43 rotates positively to drive the screw rod 44 to rotate positively through the rear side conical fluted disc 43, the screw rod 44 rotates positively to drive the rotating mechanism 5 to move upwards for resetting, the rotating mechanism 5 resets to drive the LED screen to move upwards for resetting through the mounting plate 2, and the servo motor 42 is turned off.
When the LED screen is in the in-process of using, operating personnel accessible carousel 55 pulling LED screen positive and negative rotation in turn adjusts the angle, when the LED screen is adjusted to the angle of needs, stop pulling LED screen positive and negative rotation in turn, simultaneously, operating personnel accessible carousel 55 and link 54's cooperation pulling LED screen luffing motion are adjusted inclination, when the inclination of LED screen is adjusted to the angle of needs, stop pulling LED screen luffing motion, can begin to use the LED screen. When the LED screen is not needed to be used, the LED screen is pulled to swing ninety degrees downwards, the LED screen swings downwards to drive the mounting plate 2 to swing ninety degrees downwards, the mounting plate 2 drives the turntable 55 to swing ninety degrees downwards, the LED screen is stopped to swing downwards, the servo motor 42 is started to rotate reversely, the screw rod 44 rotates reversely to drive the slider 52 to move downwards through threads, the slider 52 moves downwards to drive the mounting rod 53 to move downwards, the mounting rod 53 moves downwards to drive the connecting frame 54 to move downwards, the connecting frame 54 moves downwards to drive the turntable 55 to move downwards, the turntable 55 moves downwards to drive the mounting plate 2 to move downwards, the mounting plate 2 moves downwards to drive the LED screen to move downwards, when the LED screen moves downwards into the dust-proof box 3, the servo motor 42 is closed, the screw rod 44 stops driving the slider 52 to move downwards, the slider 52 stops driving the connecting frame 54 to move downwards through the mounting rod 53, the connecting frame 54 stops driving the mounting plate 2 to move downwards through the turntable 55, the mounting plate 2 stops driving the LED screen to move downwards, and the dust-proof box 3 can prevent dust from falling onto the LED screen. When the LED screen needs to be used, the servo motor 42 is started to rotate positively, the screw rod 44 rotates positively to drive the sliding block 52 to move upwards for resetting through threads, the limiting block 56 is fixedly connected to the top end of the screw rod 44, the sliding block 52 can be limited in upward movement to the maximum stroke, the sliding block 52 is prevented from being separated from contact with the screw rod 44, the sliding block 52 moves upwards for resetting through the mounting rod 53 to drive the connecting frame 54 to move upwards for resetting, the connecting frame 54 drives the mounting plate 2 to move upwards for resetting through the turntable 55, the mounting plate 2 also drives the LED screen to move upwards for resetting, the servo motor 42 is closed, the screw rod 44 stops driving the sliding block 52 to move upwards, the mounting plate 2 also stops driving the LED screen to move upwards, and the LED screen can be pulled to swing upwards for resetting by ninety degrees.
Example 2
On the basis of embodiment 1, the LED screen positioning device further comprises a guide mechanism 6, wherein the guide mechanism 6 comprises a limiting frame 61, an inclined block 62, a magnetic block 63, a magnetic sleeve 64, a guide rod 65, a first spring 66, a push plate 67, guide posts 68 and a second spring 69, as shown in fig. 1, 2, 5 and 6, the limiting frame 61 is fixedly connected to the front side of the middle part of the mounting frame 21 in a bilateral symmetry manner, the guide posts 68 are slidably connected to the upper leftmost upper part and the rightmost upper part of the limiting frame 61 in a penetrating manner, the push plate 67 is fixedly connected between the rear ends of the two guide posts 68 on the left side and between the rear ends of the two guide posts 68 on the right side, when the push plate 67 moves backwards, the LED screen can be positioned by the push plate 67, the second springs 69 are respectively connected between the left side and the right side of the front side of the push plate 67 and the inner front side of the limiting frame 61, the second springs 69 are sleeved on the guide posts 68, the guide posts 65 are slidably connected to the tops of the two sides of the middle part of the limiting frame 61 in a penetrating manner, the sliding type cover between the guide rods 65 on the left side and the right side is provided with the oblique block 62, when the oblique block 62 moves downwards, the oblique block 62 can drive the push plate 67 to move backwards, two first springs 66 are connected between the outer bottom of the oblique block 62 and the outer top of the limiting frame 61, the first springs 66 are sleeved on the guide rods 65, the rear end of the oblique block 62 is fixedly connected with the magnetic block 63, the magnetic sleeves 64 are fixedly sleeved on the left side and the right side of the installation rod 53, and when the magnetic sleeves 64 move downwards to be in contact with the magnetic block 63, the magnetic sleeves 64 can drive the magnetic block 63 to move downwards.
The dust removal device also comprises a dust removal mechanism 7, wherein the dust removal mechanism 7 comprises an accelerating component 71, a rotating rod 72, a short shaft 73, a fan 74, a belt component 75, a transmission component 76, an L-shaped plate 77, a short rod 78, a fixed block 79, a bevel gear 710 and a long rod 711, as shown in figures 1, 2, 7 and 8, the rear parts of the left side and the right side of the dust-proof box 3 are fixedly penetrated and connected with the two fans 74, when the fans 74 are started, the fans 74 can remove dust in the dust-proof box 3, the outer end of an output shaft of the fans 74 is provided with the short shaft 73 in a welding connection mode, the belt component 75 is connected between the right side of the two short shafts 73 on the left side and the left side of the two short shafts 73 on the right side, the belt component 75 comprises two belt pulleys and a flat belt, the two belt pulleys are fixedly sleeved on the two short shafts 73 respectively, the flat belt is wound between the two belt pulleys, the L-shaped plates 77 are symmetrically fixed on the rear side of the outer bottom of the mounting rack 21, the lower part of the L-shaped plate 77 is rotatably connected with a short rod 78 in a penetrating way, a transmission component 76 is connected between the outer side of the short rod 78 and the outer side of the short shaft 73, the transmission component 76 consists of two belt pulleys and a flat belt, one belt pulley is fixedly sleeved on the outer side of the short shaft 73, the other belt pulley is fixedly sleeved on the outer side of the short rod 78, the flat belt is wound between the two belt pulleys, the middle of the outer bottom of the mounting frame 21 is symmetrically provided with fixing blocks 79 in a left-right way through a welding connection way, the middle of the lower part of each fixing block 79 is rotatably connected with a long rod 711 in a penetrating way, the rear side of each long rod 711 and the inner side of the short rod 78 are fixedly sleeved with a bevel gear 710, the left bevel gear 710 is meshed with the right bevel gear 710, an accelerating component 71 is connected between the output shaft of the servo motor 42 and the front sides of the rotating rods 72 at the left side and the right side, the accelerating component 71 consists of a large belt pulley, a small pulley and a flat belt, wherein the large pulley is fixedly sleeved on the output shaft of the servo motor 42, the small belt pulley is fixedly sleeved on the front side of the rotating rod 72, and the flat belt is wound between the large belt pulley and the small belt pulley.
When the LED screen is not used, the servo motor 42 is started to rotate reversely, the lead screw 44 rotates reversely to drive the sliding block 52 to move downwards, the mounting rod 53 also drives the magnetic sleeve 64 to move downwards, when the magnetic sleeve 64 moves downwards to be in contact with the magnetic block 63, the magnetic sleeve 64 sucks and fixes the magnetic block 63 through magnetic force, the magnetic sleeve 64 continues to move downwards to drive the magnetic block 63 to move downwards, the magnetic block 63 moves downwards to drive the inclined block 62 to move downwards, the first spring 66 is compressed, when the inclined block 62 moves downwards to be in contact with the push plate 67, the inclined block 62 drives the push plate 67 to move backwards, the second spring 69 is stretched, at the moment, when the LED screen moves downwards to be in contact with the push plate 67, the push plate 67 moves backwards to push the LED screen to rotate, the LED screen completely corresponds to the dust-proof box 3 in a positive mode, the LED screen also continues to move downwards to the dust-proof box 3 to prevent dust, the servo motor 42 is closed, and the mounting rod 53 stops driving the magnetic sleeve 64 to move downwards. When the LED screen needs to be used, the servo motor 42 is started to rotate positively, the mounting rod 53 moves upwards to reset to drive the magnetic sleeve 64 to move upwards to reset, the magnetic sleeve 64 moves upwards to reset to drive the magnetic block 63 to move upwards to reset, the magnetic block 63 moves upwards to reset to drive the inclined block 62 to move upwards to reset, the first spring 66 is stretched to reset, the inclined block 62 resets to be separated from the contact with the push plate 67, the push plate 67 moves forwards to reset under the action of the second spring 69, and the magnetic sleeve 64 continues to move upwards to reset to be separated from the contact with the magnetic block 63. So, can avoid LED screen position inaccurate, lead to can not removing to dustproof in the dust proof box 3.
When the LED screen is not used, the servo motor 42 is started to rotate reversely, the servo motor 42 also drives the accelerating component 71 to rotate reversely, the accelerating component 71 rotates reversely to drive the rotating rod 72 to rotate reversely, the rotating rod 72 rotates reversely to drive the front bevel gear 710 to rotate reversely, the bevel gear 710 at the front left side rotates reversely to drive the bevel gear 710 at the rear left side to rotate reversely, the bevel gear 710 at the rear left side drives the left short rod 78 to rotate reversely, the left short rod 78 rotates reversely to drive the left transmission component 76 to rotate reversely, the left transmission component 76 rotates reversely to drive the short shaft 73 at the front left side to rotate reversely, the short shaft 73 at the front left side rotates reversely to drive the left belt component 75 to rotate reversely, the left belt component 75 rotates reversely to drive the short shaft 73 at the rear left side to rotate reversely, the short shafts 73 at the front and rear left sides rotate reversely to drive the left two fans 74 to rotate reversely, the left two fans 74 rotate reversely to blow wind into the dust-proof box 3, the wind blows dust in the dust-proof box 3 to the right, meanwhile, the bevel gear 710 on the right front side rotates reversely to drive the bevel gear 710 on the right rear side to rotate forwardly, the bevel gear 710 on the right rear side drives the right short rod 78 to rotate forwardly, the right short rod 78 rotates forwardly to drive the right transmission component 76 to rotate forwardly, the right transmission component 76 rotates forwardly to drive the short shaft 73 on the right front side to rotate forwardly, the short shaft 73 on the right front side drives the right belt component 75 to rotate forwardly, the right belt component 75 rotates forwardly to drive the short shaft 73 on the right rear side to rotate forwardly, the two short shafts 73 on the right side rotate forwardly to drive the two fans 74 on the right side to rotate forwardly, dust in the dust-proof box 3 is extracted by the two fans 74 on the right side in a forward rotating manner, the process is repeated, dust in the dust-proof box 3 can be extracted continuously, when the LED screen moves into the dust-proof box 3, the servo motor 42 is closed, the servo motor 42 stops driving the accelerating component 71 to rotate reversely, the accelerating component 71 stops driving the long rod 711 to rotate reversely, the long rod 711 on the left side stops driving the short rod 78 to rotate reversely by the two bevel gears 710 on the left side, the left short rod 78 stops driving the left short rod 73 to rotate reversely through the transmission assembly 76, the left fan 74 also stops rotating reversely, similarly, the right long rod 711 stops driving the right short rod 78 to rotate forwardly through the right bevel gears 710, and the right fan 74 also stops rotating forwardly. In the same way, when the servo motor 42 starts to rotate forwards, the servo motor 42 drives the accelerating assembly 71 to rotate forwards, the two fans 74 on the right side rotate backwards to blow wind into the dust-proof box 3, the two fans 74 on the left side rotate forwards to draw out dust in the dust-proof box 3, when the LED screen moves upwards to reset, the servo motor 42 is turned off, the servo motor 42 stops driving the accelerating assembly 71 to rotate forwards, the two fans 74 on the right side stop rotating backwards, and the two fans 74 on the left side stop rotating forwards. Therefore, dust in the dustproof box 3 can be prevented from being adhered to the LED screen.
Example 3
On embodiment 1 and embodiment 2 basis, still include damper 8, damper 8 is including sponge board 81, guide post 82 and third spring 83, please refer to fig. 1, it is shown in fig. 2 and fig. 9, sponge board 81 has been placed in the dust box 3, when the LED screen moved to in the dust box 3, sponge board 81 can realize buffering the LED screen, the cross-under of bilateral symmetry slidingtype has guide post 82 between bottom and the mounting bracket 21 bottom rear side, guide post 82 top and sponge board 81 bottom fixed connection, guide post 82 can realize leading sponge board 81, be connected with third spring 83 between mounting bracket 21 outer bottom and the guide post 82 lower part.
Still including collecting mechanism 9, collecting mechanism 9 is including swash plate 91, collect frame 92 and L type frame 93, please refer to and show in fig. 1, fig. 2 and fig. 10, L type frame 93 is all installed through welded connection's mode to the outer left and right sides face of mounting bracket 21, L type frame 93 medial surface rigid coupling has swash plate 91, when the dust in dust-proof box 3 was blown out, swash plate 91 can realize leading the dust, the rigid coupling has between the left and right sides swash plate 91 bottom to collect frame 92, collect frame 92 can realize collecting the dust.
When the LED screen moves to the dust-proof box 3, the LED screen contacts with the sponge plate 81, the LED screen drives the sponge plate 81 to move downwards for a certain distance, the third spring 83 is compressed, and the sponge plate 81 buffers the LED screen due to the effect of the third spring 83. When the LED screen moves upward to be reset, the LED screen is separated from the sponge plate 81, and the sponge plate 81 moves upward to be reset due to the third spring 83. In this way, the LED screen moved into the dust box 3 can be buffered.
When dust in the dust box 3 is drawn out, the dust is drawn out to contact the sloping plate 91, and the sloping plate 91 causes the dust to fall into the collection frame 92. When a proper amount of dust is contained in the collection frame 92, the dust in the collection frame 92 is taken out for disposal. Therefore, the dust can be prevented from flying everywhere to influence the surrounding environment.
Finally, it is necessary to state that: the above contents are only used for helping to understand the technical scheme of the invention, and can not be understood as the limitation of the protection scope of the invention; insubstantial modifications and adaptations of the invention as described above will occur to those skilled in the art and are intended to be within the scope of the invention as claimed.

Claims (8)

1. The utility model provides a can accomodate dirt-proof LED screen support frame, including support frame (1), mounting panel (2), mounting bracket (21) and dust-proof box (3), the rigid coupling has mounting bracket (21) between four sides in support frame (1), the inboard rigid coupling in mounting bracket (21) rear portion has dust-proof box (3) that are used for avoiding the dust to drop to the LED screen, mounting panel (2) are used for the installation of LED screen, a serial communication port, still including actuating mechanism (4) and slewing mechanism (5), slewing mechanism (5) are installed at mounting bracket (21) top, slewing mechanism (5) are connected with mounting panel (2), install actuating mechanism (4) that are used for driving slewing mechanism (5) and function between support frame (1) and mounting bracket (21), actuating mechanism (4) are connected with slewing mechanism (5).
2. The LED screen support frame capable of accommodating dust proofing as claimed in claim 1, wherein the driving mechanism (4) comprises a fixed frame (41), a servo motor (42), a conical-toothed disc (43) and a screw rod (44), the screw rod (44) for driving the rotating mechanism (5) to move up and down is rotatably connected to the middle of the fixed frame (21) in a penetrating manner, the upper portion of the screw rod (44) is connected with the rotating mechanism (5), the fixed frame (41) is fixedly connected between the rear sides of the top portions of the left and right sides of the support frame (1), the servo motor (42) is installed in the middle of the fixed frame (41), the conical-toothed disc (43) is fixedly installed at the end portion of an output shaft of the servo motor (42) and the bottom end of the screw rod (44), and the two conical-toothed discs (43) are meshed with each other.
3. The LED screen support frame capable of accommodating dust-proofing of claim 2, characterized in that the rotating mechanism (5) comprises a guide rod (51), a slide block (52), a mounting rod (53), a connecting frame (54) and a rotary table (55), the slide block (52) is sleeved on the screw rod (44) in a threaded rotating manner, the mounting rod (53) is fixedly connected to the rear end of the slide block (52), the connecting frame (54) is sleeved in a left-right symmetric manner in the middle of the mounting rod (53), a damping feeling is provided between the connecting frame (54) and the mounting rod (53), the rotary table (55) is rotatably connected between the rear sides of the connecting frames (54) at the left and right sides, the rotary table (55) is rotatably connected to the middle of the front side of the mounting plate (2), a damping feeling is provided between the rotary table (55) and the mounting plate (2), the guide rod (51) for guiding the slide block (52) is fixedly connected in a left-right symmetric manner in the middle of the top of the mounting frame (21), the top end of the guide rod (51) penetrates through the sliding block (52).
4. The LED screen support frame capable of accommodating dust prevention as claimed in claim 3, further comprising a limiting block (56), wherein the limiting block (56) is fixedly connected to the top end of the screw rod (44).
5. The LED screen support frame capable of accommodating dust prevention as claimed in claim 4, further comprising a guide mechanism (6) for positioning the LED screen, wherein the guide mechanism (6) comprises a limiting frame (61), an inclined block (62), a magnetic block (63), a magnetic sleeve (64), a guide rod (65), a first spring (66), a push plate (67), guide posts (68) and a second spring (69), the limiting frame (61) is fixedly connected to the front side of the middle part of the mounting frame (21) in a bilateral symmetry manner, the guide posts (68) are slidably connected to the upper parts of the leftmost side and the rightmost side of the limiting frame (61), the push plates (67) for positioning the LED screen are fixedly connected between the rear ends of the two guide posts (68) on the left side and between the rear ends of the two guide posts (68) on the right side, the second springs (69) are respectively connected between the left and right sides of the front side of the push plate (67) and the inner front side of the limiting frame (61), second spring (69) cover is on guide pillar (68), the cross-under of both sides top all slidingtype at spacing (61) middle part has guide bar (65), the cover of slidingtype between left and right sides guide bar (65) is equipped with sloping block (62) that are used for driving push pedal (67) rearward movement, be connected with two first springs (66) between sloping block (62) outer bottom and spacing (61) outer top, first spring (66) cover is on guide bar (65), sloping block (62) rear end rigid coupling has magnetic path (63), installation pole (53) left and right sides all fixed cover is equipped with magnetic sleeve (64) that are used for driving magnetic path (63) downstream.
6. The LED screen support frame capable of accommodating dust prevention as claimed in claim 5, further comprising a dust removing mechanism (7) for removing dust in the dust preventing box (3), wherein the dust removing mechanism (7) comprises an accelerating component (71), a rotating rod (72), a short shaft (73), a fan (74), a belt component (75), a transmission component (76), an L-shaped plate (77), a short rod (78), a fixed block (79), a bevel gear (710) and a long rod (711), the rear parts of the left and right sides of the dust preventing box (3) are fixedly connected with two fans (74) for removing dust in the dust preventing box (3), the outer end of an output shaft of each fan (74) is fixedly connected with the short shaft (73), the belt component (75) is connected between the right side of the two short shafts (73) on the left side and between the left sides of the two short shafts (73) on the right side, and the belt component (75) is composed of two belt pulleys and a flat belt, wherein the two belt pulleys are respectively fixedly sleeved on the two short shafts (73), the flat belt is wound between the two belt pulleys, the rear side of the outer bottom of the mounting rack (21) is fixedly connected with an L-shaped plate (77) in a bilateral symmetry manner, a short rod (78) is rotatably connected on the lower part of the L-shaped plate (77) in a penetrating manner, a transmission component (76) is connected between the outer side of the short rod (78) and the outer side of the short shaft (73), the transmission component (76) consists of two belt pulleys and the flat belt, one belt pulley is fixedly sleeved on the outer side of the short shaft (73), the other belt pulley is fixedly sleeved on the outer side of the short rod (78), the flat belt is wound between the two belt pulleys, the middle of the outer bottom of the mounting rack (21) is fixedly connected with a fixed block (79) in a bilateral symmetry manner, a long rod (711) is rotatably connected in the middle of the lower part of the fixed block (79), and bevel gears (710) are fixedly sleeved on the rear side of the long rod (711) and the inner side of the short rod (78), the left bevel gear (710) is meshed, the right bevel gear (710) is meshed, an accelerating component (71) is connected between an output shaft of the servo motor (42) and the front sides of the left rotating rod (72) and the right rotating rod (72), the accelerating component (71) is composed of a large belt pulley, a small belt pulley and a flat belt, the large belt pulley is fixedly sleeved on the output shaft of the servo motor (42), the small belt pulley is fixedly sleeved on the front side of the rotating rod (72), and the flat belt is wound between the large belt pulley and the small belt pulley.
7. The LED screen support frame capable of accommodating dust prevention as claimed in claim 6, further comprising a damping mechanism (8) for buffering the LED screen, wherein the damping mechanism (8) comprises a sponge plate (81), guide posts (82) and a third spring (83), the sponge plate (81) for buffering the LED screen is placed in the dust-proof box (3), the guide posts (82) for guiding the sponge plate (81) are symmetrically and slidably penetrated between the bottom and the rear side of the bottom of the mounting frame (21), the top ends of the guide posts (82) are fixedly connected with the bottom of the sponge plate (81), and the third spring (83) is connected between the outer bottom of the mounting frame (21) and the lower portion of the guide posts (82).
8. The LED screen support frame capable of accommodating dust prevention as claimed in claim 7, further comprising a collecting mechanism (9) for collecting dust, wherein the collecting mechanism (9) comprises a sloping plate (91), a collecting frame (92) and an L-shaped frame (93), the L-shaped frame (93) is fixedly connected to the left and right sides of the outer side of the mounting frame (21), the sloping plate (91) for guiding dust is fixedly connected to the inner side of the L-shaped frame (93), and the collecting frame (92) for collecting dust is fixedly connected between the bottoms of the left and right sloping plates (91).
CN202210420050.XA 2022-04-21 2022-04-21 Can accomodate dirt-proof LED screen support frame Active CN114909555B (en)

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