CN111520581B

CN111520581B - LED screen capable of being displayed in multiple directions and being adjusted in height up and down

Info

Publication number: CN111520581B
Application number: CN202010369453.7A
Authority: CN
Inventors: 高剑; 李杨
Original assignee: Shenzhen Linguan Technology Co ltd
Current assignee: Shenzhen Linguan Technology Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-10-22
Anticipated expiration: 2040-04-28
Also published as: CN111520581A

Abstract

The invention discloses an LED screen capable of being displayed in multiple directions and adjusted in height up and down, which comprises an installation base and a display screen body, wherein a rotating base is rotatably arranged on the installation base, a screw type lifting mechanism capable of driving the display screen body to move up and down is arranged on the rotating base, a screw type left-right adjusting mechanism is arranged on the screw type lifting mechanism, a vertical gear which is vertically arranged is arranged on the rotating base, and can be adjusted in multiple directions on a fixing frame, such as the height, the left-right position and the position of a deviation angle.

Description

LED screen capable of being displayed in multiple directions and being adjusted in height up and down

Technical Field

The invention particularly relates to an LED display screen.

Background

The LED display screen is used for displaying information, and along with the development of LED display technology, the LED display screen has been widely applied to various places, and the LED display screen is required to be built no matter the LED display screen is applied outdoors or indoors. Under the assistance of no basic supporting wall surface, the installation of the LED display screen can be realized only by suspension, and the large-scale LED display screen is formed by splicing a plurality of LED display modules, so the hoisting engineering of the large-scale LED display screen is complicated. In order to simplify the hoisting operation and improve the building efficiency, a special hoisting device is often used, and different information is switched according to different use scenes, for example: the advertisement information is used for advertising, and the display screen is used for displaying information of various places, parks, construction sites, traffic, vehicles in parking lots and the like.

Because the fixed mode of current LED display screen can not carry out diversified regulation on the mount, like the position of height, left right position and partial angle, even if there is also very inconvenient in addition, accommodation process needs whole mount to unload to get off and adjust one by one, can not provide one kind can adjust the LED display screen convenient and diversified regulation again.

Therefore, the existing LED display screen is further improved.

Disclosure of Invention

The invention aims to provide LED screen equipment which can be displayed in multiple directions and can be adjusted in height and swing angle up and down.

In order to achieve the purpose, the invention adopts the following scheme:

a LED screen capable of being displayed in multiple directions and adjusted in height up and down comprises an installation base and a display screen body, wherein a rotating base is rotatably arranged on the installation base, a screw type lifting mechanism capable of driving the display screen body to move up and down is arranged on the rotating base, a screw type left and right adjusting mechanism is arranged on the screw type lifting mechanism, vertical gears which are vertically arranged are arranged on the rotating base, transverse rotating shaft ends of screws of the screw type left and right adjusting mechanism are provided with transverse bevel gears, gear shaft hole seats are fixedly arranged on one sides, close to the transverse bevel gears, of the screw type left and right adjusting mechanism, the gear shaft hole seats are vertically arranged, vertical rotating shafts are rotatably arranged in the gear shaft hole seats, one ends of the vertical rotating shafts are provided with vertical bevel gears, the other ends of the vertical rotating shafts are provided with straight gears, and the vertical bevel gears are meshed with the transverse bevel gears, the straight gear is meshed with the vertical gear, an angle rotating structure is arranged on the screw type left and right adjusting mechanism, a display screen body is connected and arranged on the angle rotating structure, a side shaft rod is arranged at the shaft end of the angle rotating structure, an eccentric driving transverse shaft which is deviated relative to the rotating shaft center of the angle rotating structure is arranged on the side shaft rod, a front and back driving mechanism is arranged on the rotating base, a vertical straight groove rod is arranged at a driving part of the front and back driving mechanism, a vertical straight groove opening is formed in the vertical straight groove rod and sleeved outside the eccentric driving transverse shaft to drive, a second driving mechanism and a third driving mechanism are respectively arranged on the rotating base, the second driving mechanism is connected with the vertical gear and drives the vertical gear to rotate, and the third driving mechanism is connected with the screw type lifting mechanism and drives the screw type lifting mechanism to move up and down, the height, the left position, the right position and the angle of the display screen can be conveniently and quickly adjusted, and the mode of transmission disassembly and adjustment is avoided.

Further, the installation base is circular, and is provided with the pivot groove on the installation base, the rotation base is circular, the rotation base lower surface is provided with the turning block, the turning block is installed and is rotated the setting in the pivot inslot, enables the LED screen and carries out 360 rotatory activities.

Furthermore, the rotating base further comprises an upper plate and a lower plate which are arranged on the rotating block, and a plurality of connecting fixing rods are arranged between the upper plate and the lower plate, so that an accommodating space is provided for various driving mechanisms, and various driving mechanisms are protected.

Further, screw elevating system is including setting up two symmetrical vertical spouts that set up at the rotating base upper surface, the notch of vertical spout sets up towards inside, is connected with the connecting rod between the upper end of two vertical spouts, be provided with first pivot seat on the upper plate, vertical screw rod that vertical setting has been interlude in the first pivot seat, vertical screw rod overcoat has vertical swivel nut, the relative both sides wall of vertical swivel nut respectively is provided with horizontal wheel seat, install the pulley in the horizontal wheel seat, the pulley of both sides corresponds respectively and installs the vertical spout of one side activity from top to bottom, vertical swivel nut cover is established and is carried out threaded connection outside vertical screw rod, provides a mode of high lift, can also guarantee stability simultaneously.

Further, the screw type left and right adjusting mechanism comprises connecting fixed plates which are fixedly arranged on the surfaces of two transverse wheel seats respectively, a transverse frame plate is arranged on the front wall of the two connecting fixed plates, side baffles are arranged at the two ends of the transverse frame plate respectively, a transverse shaft hole is arranged on one side baffle, a transverse shaft mounting seat which is coaxial with the transverse shaft hole is arranged on the other side baffle, a transverse screw is transversely inserted in the transverse shaft hole, a guide transverse shaft is arranged between the two side baffles, a movable plate is arranged between the two side baffles, a transverse through hole is arranged on the movable plate, the transverse through hole is movably arranged in the guide transverse shaft, a transverse internal thread hole is arranged on one side of the movable plate close to the transverse screw, the transverse internal thread hole is in threaded connection with the transverse screw, and a left and right adjusting mode on the lifting mechanism is provided, and simultaneously, the stability can be ensured.

Further, the angle rotating structure is including the articulated seat of fixed first angle that sets up on the fly leaf, the coaxial line is provided with the articulated seat of second angle in the articulated seat of first angle, it has articulated pivot to alternate between the articulated seat of first angle and the articulated seat of second angle, the fixed display screen body that is provided with on the articulated seat of second angle provides the structure of articulated formula angle modulation.

Further, the front and back drive comprises a longitudinal rotating shaft seat longitudinally arranged on the upper surface of the rotating base, the rotating bases on the front and back sides of the longitudinal rotating shaft seat are respectively provided with a longitudinal shaft fixing seat, a first rotating shaft is rotationally arranged in the longitudinal shaft fixing seat, one end of the first rotating shaft penetrates through one rotating base, the other end of the first rotating shaft penetrates through the other rotating base and is axially movably fixed, one end of the first rotating shaft is provided with an angle control handle, a longitudinal groove is arranged above the longitudinal rotating shaft seat, a longitudinal screw sleeve is movably arranged in the longitudinal rotating shaft seat in the front and back direction, the upper surface of the longitudinal screw sleeve is provided with a limiting block, the limiting block is arranged in the longitudinal groove and can move in the front and back direction, the circumferential surface of the first rotating shaft in the rotating base is provided with longitudinal threads, and the longitudinal threads are in threaded fit with the longitudinal screw sleeve, the LED screen is characterized in that a vertical straight groove rod is fixedly arranged on the limiting block, a front-back moving and stable structure mode is provided, and stability of the LED screen is guaranteed.

Further, second actuating mechanism is including setting up the second screw rod seat at the upper plate lower surface, install the second worm of vertical setting in the second screw rod seat, vertical gear passes the upper plate and carries out the spacing of axial direction and the lower tip is provided with the second worm wheel, the second worm with the second worm wheel meshes, second worm tip is provided with the height control handle, provides an ability drive mode.

Further, third actuating mechanism is including setting up the third screw rod seat at the upper plate lower surface, install the third worm of vertical setting in the third screw rod seat, the fixed third worm wheel that is provided with of axle head under the vertical screw rod, the third worm with the third worm wheel meshes the transmission, the third worm terminal surface is provided with controls and adjusts the handle, provides one kind and can drive the mode, convenient operation.

In summary, compared with the prior art, the invention has the beneficial effects that:

the LED display screen fixing device overcomes the defects of the existing LED display screen fixing mode, can be used for carrying out multi-directional adjustment on the fixing frame, such as height, left and right positions and a position deviated to an angle, is very convenient, does not need the whole fixing frame to be detached for adjustment one by one in the adjusting process, can provide a structure which can be conveniently adjusted and can be used for multi-directional adjustment of the position of the LED display screen, and is ingenious, reasonable and convenient to use.

Drawings

FIG. 1 is one of the perspective views of the present invention;

FIG. 2 is a schematic view of the height adjustment of the present invention;

FIG. 3 is a schematic view of the angle adjustment of the present invention;

FIG. 4 is one of the left and right adjustment schematic diagrams of the present invention;

FIG. 5 is one of the exploded views of the present invention;

FIG. 6 is an enlarged view of a portion of the present invention at A;

FIG. 7 is a second exploded view of the present invention;

FIG. 8 is a second perspective view of the present invention;

FIG. 9 is a second schematic view of the left and right adjustment of the present invention;

FIG. 10 is a left side view of the present invention;

FIG. 11 is a third perspective view of the present invention;

fig. 12 is a third exploded view of the present invention.

The reference numbers illustrate: 1. installing a base; 2. rotating the base; 3. a display screen body; 4. a screw-type lifting mechanism; 5. a screw type left and right adjusting mechanism; 6. an angle rotation structure; 8. driving front and back; 9. a second drive mechanism; 10. a third drive mechanism; 101. a rotating shaft groove; 102. rotating the block; 103. an upper plate, 104, a lower plate; 105. connecting a fixed rod; 401. a vertical chute; 402. a connecting rod; 403. a first shaft seat; 404. a vertical screw; 405. a vertical thread sleeve; 406. a transverse wheel seat; 407. a pulley; 501. connecting the fixed plate; 502. a transverse frame plate; 503. a side dam; 504. a transverse axle hole; 505. a cross shaft mounting base; 506. a transverse screw; 507. a guide cross shaft; 508. a movable plate; 509. a transverse through hole; 510. a transverse internally threaded bore; 601. a vertical gear; 602. a transverse bevel gear; 603. a gear shaft hole seat; 604. a vertical rotating shaft; 605. a vertical bevel gear; 606. a spur gear; 608. a side shaft lever; 609. an eccentric drive cross shaft; 610. an eccentric drive cross shaft; 611. a vertical straight notch; 701. a first angled hinge mount; 702. a second angle hinge mount; 703. a hinge shaft; 801. a longitudinal rotating shaft seat; 802. a longitudinal shaft fixing seat; 803. a first rotating shaft; 804. an angle control handle; 805. longitudinally slotting; 806. a longitudinal thread insert; 807. a limiting block; 808. a longitudinal thread; 901. a second screw base; 902. a second worm; 903. a second worm gear; 904. a height control handle; 111. a third screw seat; 112. a third worm; 113. a third worm gear; 114. the handle is adjusted left and right.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-12, the present invention provides a technical solution:

a LED screen capable of being vertically adjusted in height for multi-azimuth display comprises a mounting base 1 and a display screen body 3, wherein a rotating base is rotatably arranged on the mounting base 1, a screw type lifting mechanism 4 capable of driving the display screen body 3 to move up and down is arranged on the rotating base, a screw type left and right adjusting mechanism 5 is arranged on the screw type lifting mechanism 4, a vertical gear 601 vertically arranged is arranged on the rotating base, a transverse bevel gear 602 is arranged at the transverse rotating shaft end of the screw type left and right adjusting mechanism 5, a gear shaft hole seat 603 is fixedly arranged at one side of the screw type left and right adjusting mechanism 5 close to the transverse bevel gear 602, the gear shaft hole seat 603 is vertically arranged, a vertical rotating shaft 604 is rotatably arranged in the gear shaft hole seat 603, one end of the vertical rotating shaft 604 is provided with a vertical bevel gear 605, and the other end is provided with a straight gear 606, the vertical bevel gear 605 is engaged with the horizontal bevel gear 602, the spur gear 606 is engaged with the vertical gear 601, the screw type left-right adjusting mechanism 5 is provided with an angle rotating structure, the angle rotating structure is connected with the display screen body 3, a side shaft rod 608 is arranged at the shaft end of the angle rotating structure, an eccentric driving cross shaft 609 which is offset relative to the rotating shaft center of the angle rotating structure is arranged on the side shaft rod 608, a front-back driving 8 is arranged on the rotating base, a vertical straight groove rod 610 is arranged at the driving part of the front-back driving 8, a vertical straight groove port 611 is arranged in the vertical straight groove rod 610, the vertical straight groove port 611 is sleeved outside the eccentric driving cross shaft 609 for driving, a second driving mechanism 9 and a third driving mechanism are respectively arranged on the rotating base, the second driving mechanism 9 is connected with the vertical gear 601 and drives the vertical gear 601 to rotate, the third driving mechanism is connected with the screw type lifting mechanism 4 and drives the screw type lifting mechanism 4 to move up and down;

the working principle of the structure is as follows:

when the height of the LED screen needs to be adjusted, the third driving mechanism is driven to drive the screw type lifting mechanism 4 to move, so that the LED screen moves up and down;

when the LED screen needs to be adjusted in left and right positions, the screw type left and right adjusting mechanism 5 is arranged on the screw type lifting mechanism 4, in order to enable an operator to operate below the LED screen, the vertical gear 601 is arranged to be in a long strip shape, so that the straight gear 606 can be meshed with the vertical gear 601 at any position for transmission, and at the moment, the screw type left and right adjusting mechanism 5 can be driven to work only by driving the second driving mechanism 9 to drive the vertical gear 601 to rotate, so that left and right adjustment is realized;

when the angle of the LED screen needs to be adjusted, the screw type left-right adjusting mechanism 5 and the screw type lifting mechanism 4 are matched to enable the LED screen to move up, down, left and right, in order to enable a user to smoothly adjust the angle of the LED display screen, the height, the left position, the right position and the angle are not interfered by the structure, due to the arrangement of the vertical straight notch 611 and the arrangement of the eccentric driving cross shaft 609, the angle rotating structure can be smoothly driven when moving to any position in the range, the angle rotating structure can be overturned by pulling the eccentric driving cross shaft 609, meanwhile, the eccentric driving cross shaft 609 can move up and down by the vertical straight notch 611, and the eccentric driving cross shaft 609 can also move left and right in the straight notch 611.

The mounting base 1 is circular, a rotating shaft groove 101 is formed in the mounting base 1, the rotating base is circular, a rotating block 102 is arranged on the lower surface of the rotating base, and the rotating block 102 is mounted in the rotating shaft groove 101 for rotating;

thereby adjust the 360 positions of LED screen through rotating above rotation base.

The rotating base further comprises an upper plate and a lower plate which are arranged on the rotating block 102, and a plurality of connecting fixing rods are arranged between the upper plate and the lower plate;

a space is formed between the upper plate and the lower plate to provide a space for installation of the second drive mechanism 9 and the third drive mechanism.

The screw type lifting mechanism 4 comprises two vertical sliding grooves 401 which are symmetrically arranged on the upper surface of a rotating base, notches of the vertical sliding grooves 401 are arranged towards the inside, a connecting rod 402 is connected between the upper ends of the two vertical sliding grooves 401, a first rotating shaft seat 403 is arranged on an upper plate, a vertical screw 404 which is vertically arranged is inserted into the first rotating shaft seat 403, a vertical screw sleeve 405 is sleeved outside the vertical screw 404, transverse wheel seats 406 are respectively arranged on two opposite side walls of the vertical screw sleeve 405, pulleys 407 are arranged in the transverse wheel seats 406, the pulleys 407 on two sides are respectively and correspondingly arranged in the vertical sliding grooves 401 on one side to move up and down, and the vertical screw sleeve 405 is sleeved outside the vertical screw 404 to be in threaded connection.

The working principle is as follows: through rotating vertical screw rod 404, make vertical swivel nut 405 carry out screw-thread fit, simultaneously, spacing activity from top to bottom is carried out on pulley 407 installation vertical spout 401 to the purpose that the realization reciprocated.

The screw type left-right adjusting mechanism 5 of the invention comprises connecting fixing plates 501 which are fixedly arranged on the surfaces of two transverse wheel seats 406 respectively, a transverse frame plate 502 is arranged on the front wall surface of the two connecting and fixing plates 501, side baffles 503 are respectively arranged at two ends of the transverse frame plate 502, one side baffle 503 is provided with a transverse shaft hole 504, the other side baffle 503 is provided with a transverse shaft mounting seat 505 which is coaxially arranged with the transverse shaft hole 504, a transverse screw 506 is transversely inserted into the transverse shaft hole 504, a guide transverse shaft 507 is arranged between the two side baffles 503, a movable plate 508 is disposed between the two side baffles 503, the movable plate 508 is provided with a lateral through hole 509, the transverse through hole 509 is movably arranged in the guide transverse shaft 507, one side of the movable plate 508 close to the transverse screw 506 is provided with a transverse internal threaded hole 510, and the transverse internal threaded hole 510 is in threaded connection with the transverse screw 506.

The above structure principle:

the straight gear 606 is driven to rotate by rotating the vertical gear 601, the straight gear 606 drives the vertical gear 601 to rotate, the vertical gear 601 drives the vertical bevel gear 605 to rotate, the vertical bevel gear 605 is meshed with the horizontal bevel gear 602 to drive the horizontal screw 506 to rotate, the horizontal screw 506 is meshed with the horizontal internal threaded hole 510, the horizontal through hole 509 in the movable plate 508 and the guide horizontal shaft 507 are limited, so that the purpose of driving the movable plate 508 to be adjusted left and right in the rotation process of the horizontal screw 506 is realized, the adjustment of an LED screen is realized, the horizontal position of the screw type left and right adjusting mechanism 5 can be changed due to the fact that the screw type lifting mechanism 4 is in the screw type, and in order to enable the vertical gear 601 to be meshed with the straight gear 606 in the whole process, the length of the vertical gear 601 is set to be the height of the maximum stroke of the screw type lifting mechanism 4.

The angle rotating structure comprises a first angle hinge seat 701 fixedly arranged on a movable plate 508, a second angle hinge seat 702 is coaxially arranged in the first angle hinge seat 701, a hinge rotating shaft 703 is inserted between the first angle hinge seat 701 and the second angle hinge seat 702 in a penetrating mode, a display screen body 3 is fixedly arranged on the second angle hinge seat 702, and the second angle hinge seat 702 can rotate on the first angle hinge seat 701 in an angle mode to achieve angle adjustment of an LED screen.

The front and back drive 8 of the invention comprises a longitudinal rotating shaft seat 801 longitudinally arranged on the upper surface of a rotating base, longitudinal shaft fixing seats 802 are respectively arranged on the rotating bases at the front and back sides of the longitudinal rotating shaft seat 801, a first rotating shaft 803 is rotationally arranged in the longitudinal shaft fixing seats 802, one end of the first rotating shaft 803 passes through one rotating base, the other end of the first rotating shaft passes through the other rotating base and is axially movably fixed, an angle control handle 804 is arranged at one end of the first rotating shaft 803, a longitudinal slot 805 is arranged above the longitudinal rotating shaft seat 801, a longitudinal screw sleeve 806 is movably arranged in the longitudinal rotating shaft seat 801 back and forth, a limiting block 807 is arranged on the upper surface of the longitudinal screw sleeve 806, the limiting block 807 is arranged in the longitudinal slot 805 to move back and forth, a longitudinal screw thread 808 is arranged on the circumferential surface of the first rotating shaft 803 in the rotating base, the longitudinal thread 808 and the longitudinal thread sleeve 806 are in threaded fit, and a vertical straight-groove rod 610 is fixedly arranged on the limiting block 807;

the front and back adjusting mechanism is provided through the structure, the vertical straight groove rod 610 is driven by the front and back driving device 8 to move back and forth, the eccentric driving cross shaft 609 is driven to overturn in the process of moving the vertical straight groove rod 610 back and forth, and the eccentric driving cross shaft 609 and the vertical straight groove rod 610 are matched with each other to overturn the LED screen.

The second driving mechanism 9 of the present invention includes a second screw seat 901 disposed on the lower surface of the upper plate, a second worm 902 disposed longitudinally is installed in the second screw seat 901, the vertical gear 601 passes through the upper plate to perform axial position limitation, a second worm wheel 903 is disposed at the lower end, the second worm 902 is engaged with the second worm wheel 903, and a height control handle 904 is disposed at the end of the second worm 902.

The third driving mechanism comprises a third screw rod seat 111 arranged on the lower surface of the upper plate, a third worm 112 longitudinally arranged is installed in the third screw rod seat 111, a third worm wheel 113 is fixedly arranged at the lower shaft end of the vertical screw rod 404, the third worm 112 and the third worm wheel 113 are in meshing transmission, and a left-right adjusting handle 114 is arranged on the end surface of the third worm 112.

While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a LED screen of height-adjusting about diversified show, is including installation base (1), display screen body (3), it is provided with the rotation base to rotate on installation base (1), be provided with on the rotation base and drive screw elevating system (4) that display screen body (3) go on moving about going on be provided with screw left and right sides adjustment mechanism (5), its characterized in that on screw elevating system (4): the rotary screen is characterized in that a vertical gear (601) which is vertically arranged is arranged on the rotary base, a transverse rotary shaft end of a screw rod of the left and right adjusting mechanism (5) of the screw rod is provided with a transverse bevel gear (602), the left and right adjusting mechanism (5) of the screw rod is close to one side of the transverse bevel gear (602) and is fixedly provided with a gear shaft hole seat (603), the gear shaft hole seat (603) is vertically arranged, a vertical rotary shaft (604) is rotatably arranged in the gear shaft hole seat (603), one end of the vertical rotary shaft (604) is provided with a vertical bevel gear (605), the other end of the vertical rotary shaft is provided with a straight gear (606), the vertical bevel gear (605) is meshed with the transverse bevel gear (602), the straight gear (606) is meshed with the vertical gear (601), an angle rotary structure is arranged on the left and right adjusting mechanism (5) of the screw rod, and a display screen body (3) is connected and arranged on the angle rotary structure, a side shaft lever (608) is arranged at the shaft end of the angle rotating structure, an eccentric driving transverse shaft (609) which is deviated relative to the rotating shaft center of the angle rotating structure is arranged on the side shaft lever (608), a front and back driving (8) is arranged on the rotating base, a vertical straight groove rod (610) is arranged at the driving part of the front and back driving (8), a vertical straight groove opening (611) is arranged in the vertical straight groove rod (610), the vertical straight notch (611) is sleeved outside the eccentric driving transverse shaft (609) for driving, a second driving mechanism (9) and a third driving mechanism are respectively arranged on the rotating base, the second driving mechanism (9) is connected with the vertical gear (601) and drives the vertical gear (601) to rotate, the third driving mechanism is connected with the screw type lifting mechanism (4) and drives the screw type lifting mechanism (4) to move up and down.

2. The LED screen capable of being adjusted in height in multiple directions for displaying according to claim 1, wherein the mounting base (1) is circular, the mounting base (1) is provided with a rotating shaft groove (101), the rotating base is circular, the lower surface of the rotating base is provided with a rotating block (102), and the rotating block (102) is rotatably disposed in the rotating shaft groove (101).

3. The LED screen capable of being adjusted in height in multiple directions for displaying according to claim 2, wherein the rotating base further comprises an upper plate and a lower plate disposed on the rotating block (102), and a plurality of connecting fixing rods are disposed between the upper plate and the lower plate.

4. The LED screen capable of adjusting height in multi-azimuth display according to claim 3, wherein the screw type lifting mechanism (4) comprises two symmetrically arranged vertical sliding chutes (401) arranged on the upper surface of the rotating base, the notches of the vertical sliding chutes (401) are arranged inward, a connecting rod (402) is connected between the upper ends of the two vertical sliding chutes (401), the upper plate is provided with a first rotating shaft seat (403), a vertically arranged vertical screw rod (404) is inserted into the first rotating shaft seat (403), a vertical screw sleeve (405) is sleeved outside the vertical screw rod (404), two opposite side walls of the vertical screw sleeve (405) are respectively provided with a horizontal wheel seat (406), a pulley (407) is arranged in the horizontal wheel seat (406), the pulleys (407) at two sides respectively move up and down in the vertical sliding chute (401) at one side correspondingly, the vertical screw sleeve (405) is sleeved outside the vertical screw rod (404) and is in threaded connection.

5. The LED screen of claim 4, wherein the screw-type left-right adjusting mechanism (5) comprises two connecting fixing plates (501) respectively fixed on the surfaces of two transverse wheel seats (406), a transverse frame plate (502) is arranged on the front wall of the two connecting fixing plates (501), two ends of the transverse frame plate (502) are respectively provided with a side baffle (503), one side baffle (503) is provided with a transverse shaft hole (504), the other side baffle (503) is provided with a transverse shaft mounting seat (505) coaxially arranged with the transverse shaft hole (504), a transverse screw (506) is transversely inserted into the transverse shaft hole (504), a guide transverse shaft (507) is arranged between the two side baffles (503), a movable plate (508) is arranged between the two side baffles (503), and a transverse through hole (509) is arranged on the movable plate (508), the transverse through hole (509) is arranged in a guide transverse shaft (507) to move, a transverse internal threaded hole (510) is formed in one side, close to the transverse screw (506), of the movable plate (508), and the transverse internal threaded hole (510) is in threaded connection with the transverse screw (506).

6. The LED screen of claim 5, wherein the angle rotation structure comprises a first angle hinge seat (701) fixedly disposed on the movable plate (508), a second angle hinge seat (702) is coaxially disposed in the first angle hinge seat (701), a hinge shaft (703) is inserted between the first angle hinge seat (701) and the second angle hinge seat (702), and a display screen body (3) is fixedly disposed on the second angle hinge seat (702).

7. The LED screen of any one of claims 1 to 6, characterized in that the front and rear drivers (8) comprise longitudinal rotation shaft seats (801) longitudinally arranged on the upper surfaces of the rotation seats, the rotation seats on the front and rear sides of the longitudinal rotation shaft seats (801) are respectively provided with longitudinal shaft fixing seats (802), the longitudinal shaft fixing seats (802) are rotatably provided with a first rotation shaft (803), one end of the first rotation shaft (803) passes through one of the rotation seats, the other end of the first rotation shaft passes through the other rotation seat and is axially movably fixed, one end of the first rotation shaft (803) is provided with an angle control handle (804), a longitudinal slot (805) is arranged above the longitudinal rotation shaft seat (801), a longitudinal thread sleeve (806) is movably arranged in the longitudinal rotation shaft seat (801) in the front and rear direction, the upper surface of the longitudinal thread sleeve (806) is provided with a limit block (807), the limiting block (807) is mounted in the longitudinal groove (805) to move back and forth, a longitudinal thread (808) is arranged on the circumferential surface of the first rotating shaft (803) in the rotating base, the longitudinal thread (808) is in thread fit with the longitudinal thread sleeve (806), and a vertical straight groove rod (610) is fixedly arranged on the limiting block (807).

8. The LED screen capable of adjusting height in multiple directions for displaying according to any one of claims 3 to 6, wherein the second driving mechanism (9) comprises a second screw seat (901) arranged on the lower surface of the upper plate, a second worm (902) longitudinally arranged is installed in the second screw seat (901), the vertical gear (601) penetrates through the upper plate to limit the position in the axial direction, a second worm wheel (903) is arranged at the lower end of the vertical gear, the second worm (902) is meshed with the second worm wheel (903), and a height control handle (904) is arranged at the end of the second worm (902).

9. The LED screen capable of adjusting height in multiple directions for displaying according to any one of claims 4 to 6, wherein the third driving mechanism comprises a third screw seat (111) disposed on the lower surface of the upper plate, a third worm (112) longitudinally disposed is installed in the third screw seat (111), a third worm wheel (113) is fixedly disposed at the lower shaft end of the vertical screw (404), the third worm (112) and the third worm wheel (113) are in meshing transmission, and a left-right adjusting handle (114) is disposed on the end surface of the third worm (112).