CN114087504B

CN114087504B - LED display screen capable of freely adjusting curved surface structure

Info

Publication number: CN114087504B
Application number: CN202111397631.8A
Authority: CN
Inventors: 张博; 江道荣; 张志�
Original assignee: Shenzhen Xindi Vision Technology Co ltd
Current assignee: Shenzhen Xindi Vision Technology Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2023-10-17
Anticipated expiration: 2041-11-23
Also published as: CN114087504A

Abstract

The application relates to an LED display screen with a free-form adjustable curved surface structure, which comprises a base and T-shaped rods symmetrically arranged at the rear end of the top of the base, wherein the bottom ends of the two T-shaped rods penetrate through the bottom of the base in a sliding manner, an LED curved surface display screen is arranged between the two T-shaped rods, a supporting mechanism for supporting the base is arranged at the bottom end of the base, and a lifting mechanism for limiting the base is arranged inside the T-shaped rods; according to the application, the support rod is used for supporting the waist-shaped frame to a certain extent through the cooperation of the base, the T-shaped rod, the L-shaped frame, the rotating shaft, the mounting block, the LED curved surface display screen, the support mechanism and the lifting mechanism, so that a certain distance is kept between the base and the tabletop, a larger space is provided for accommodating the keyboard for the tabletop, and the space occupied by the keyboard is saved, thereby providing a certain afternoon nap space for a user, bringing more convenience for the user, stably adjusting the height of the LED curved surface display screen, and saving and facilitating the operation.

Description

LED display screen capable of freely adjusting curved surface structure

Technical Field

The application relates to the technical field of curved surface display screens, in particular to an LED display screen with a freely adjustable curved surface structure.

Background

The curved surface display is display equipment with the radian of the panel, the broad sense of the visual experience of a user is improved, the visual field of the curved surface display is wider, the curved edge slightly bent towards the user can be closer to the user, the basically same viewing angle with the central position of the screen is realized, and meanwhile, the curved surface screen can enable the user to experience better viewing effect.

The application discloses a Chinese patent publication No. CN 110345352B, which relates to an LED curved surface display screen with a multidirectional adjusting mechanism, and relates to the technical field of curved surface display screens, and the device comprises an LED curved surface display screen and a base and is characterized in that: the base top is equipped with two threaded rods, be equipped with the connecting plate between the top of two threaded rods, LED curved surface display screen back is equipped with the pre-assembled board, pre-assembled board one side is equipped with the jack-in groove, be equipped with the plugboard in the jack-in groove, plugboard one side is equipped with four spliced poles, be equipped with fixed arc board between four spliced pole one ends, the arc outside of fixed arc board is equipped with the arc wall, be equipped with the arc rail in the arc wall, be equipped with rotatory arc board between two arc rail one sides, one side of rotatory arc board is equipped with the mounting hole, be equipped with adjusting gear in the mounting hole, be equipped with the regulation tooth's socket on the fixed arc board, the arc outside of rotatory arc board is equipped with two thread bush. The LED curved display screen is simple in structure, can be directly opposite to a user to carry out multi-angle adjustment on the LED curved display screen, is convenient to use, has market prospect, and is suitable for popularization.

In order to bring more comfortable visual effect for the user, generally, the display needs to be micro-adjusted, the height and the angle of the existing LED display screen with the free-form-adjustable curved surface structure can be adjusted under the adjusting mechanism, but the base of the display screen is fixed, so that the base occupies a larger space of the desktop, the keyboard cannot be stored, the midday break of the user on the desktop is limited, the comfort level is poor, and the sleeping quality is reduced.

Therefore, the application provides the LED display screen with the free-form adjustable curved surface structure.

Disclosure of Invention

In order to achieve the above purpose, the application provides an LED display screen with a free-form-adjustable curved surface structure, which comprises a base and T-shaped rods symmetrically arranged at the rear end of the top of the base, wherein the bottom ends of the two T-shaped rods penetrate through the bottom of the base in a sliding manner, the LED curved surface display screen is arranged between the two T-shaped rods, a supporting mechanism for supporting the base is arranged at the bottom end of the base, and a lifting mechanism for limiting the base is arranged inside the T-shaped rods.

Preferably, two the equal fixed cover in bottom of T type pole outer wall is equipped with back type frame, and the front end symmetry of base bottom is provided with the telescopic link, and the bottom of telescopic link and T type pole all is provided with the sucking disc.

Preferably, two the one end symmetry that T type pole top kept away from mutually has offered a cross groove, and the one end symmetry that two T type pole tops are close to has offered the worker's type hole, and a cross groove communicates with worker's type hole each other, and the inside of two cross groove horizontal segments all sliding fit has L type frame, rotates between two L type frame horizontal segment opposite sides and is connected with the pivot, and the outer wall fixedly connected with installation piece of pivot, the LED curved surface display screen is installed to the one end that the T type pole was kept away from to the installation piece.

Preferably, a screen adjusting mechanism is arranged between the two L-shaped frames, the screen adjusting mechanism comprises guide rods symmetrically arranged at one end of the horizontal section of the L-shaped frame, a sliding plate is connected to the outer wall of the rotating shaft in a threaded manner, and the sliding plate is sleeved on the outer wall of the two guide rods in a sliding manner.

Preferably, the supporting mechanism comprises a waist-shaped frame fixedly connected to the bottom end of the base, two number two cross grooves are formed in the center symmetry of the bottom end of the base, a distance exists between the two number two cross grooves, cross blocks are symmetrically and slidably matched in the two number two cross grooves, a distance exists between the front end and the rear end of each cross block and the front end and the rear end of each cross groove, round rollers are symmetrically and rotatably connected to the front end and the rear end of each cross block, annular grooves are formed in the middle of the outer walls of the two round rollers close to the rear end of the base, n-shaped seats are symmetrically and fixedly connected to the bottom ends of the two cross blocks, supporting rods are rotatably connected between the two horizontal sections of the n-shaped seats through pin shafts, the two ends, far away from each other, of the two supporting rods respectively slide through the two ends of the waist-shaped frame and are hinged with supporting seats, moving holes are symmetrically formed in the positions of the two ends of the waist-shaped frame, and reset springs are arranged between the opposite sides of the two n-shaped seats in a connecting mode.

Preferably, the two ends of the pin shaft respectively penetrate through the side walls of the two horizontal sections of the n-shaped seat and are fixedly sleeved with sleeves, one end of each sleeve, which is close to the reset spring, is provided with a tooth block, each tooth block is in sliding fit with the inside of the corresponding moving hole, and inclined plates matched with the tooth blocks are symmetrically arranged at the two ends, which are close to the suction disc, of the bottom of the base.

Preferably, two lifting grooves are symmetrically formed in the positions, corresponding to the annular grooves, of the tops of the second cross grooves and far away from one end of the reset spring, of the second cross grooves, the lifting grooves are mutually communicated with the second cross grooves, a placing plate is symmetrically arranged on one side, far away from the base, of the front ends of the two T-shaped rods, two cavities are formed in the placing plate, a winding shaft is rotatably connected to one side, far away from the T-shaped rods, of the placing plate, a winding roller is fixedly sleeved on the outer wall of the winding shaft, a traction rope is wound on the outer wall of the winding roller, and the tail end of the traction rope is sleeved in the annular groove of the outer wall of the round roller through the lifting grooves and the second cross grooves.

Preferably, the elevating system is including setting up a plurality of tooth teeth on the vertical section opposite side of two L type framves, a plurality of tooth teeth are along the direction of height evenly distributed of the vertical section of L type frame, two winding shafts are close to the rear end that two boards were placed in the slip respectively and the rear end in two worker type holes, the outer wall of two winding shafts is fixed the cover and is equipped with the gear, two gears are located the inside in two worker type holes and two cross grooves respectively, gear and the tooth intermeshing of L type on the frame lateral wall, the inside symmetry slip that two worker type holes kept away from a cross groove is provided with the gangbar, the one end that two gangbars are close to a cross groove all is provided with a plurality of tooth teeth, a plurality of tooth teeth evenly distributed along the direction of height of gangbar, gear and the tooth teeth intermeshing of two on the gangbar lateral wall, the end of two gangbars all with the top fixed connection of base.

Preferably, the front and back ends of the vertical section of the L-shaped frame are symmetrically provided with brackets respectively, the brackets are in sliding fit in the cross groove I, a deflector rod is rotatably connected between the two brackets on the same side, one end of the deflector rod, which is close to the L-shaped frame, is arc-shaped, a limiting plate is fixedly connected between the two brackets on the same side, the top end of the limiting plate is contacted with the top of the deflector rod, and a telescopic spring is connected between the deflector rod and the L-shaped frame.

According to the application, when a plurality of shifting levers are manually pinched through the cooperation between the base, the T-shaped rods, the L-shaped frame, the rotating shaft, the mounting blocks, the LED curved surface display screen, the supporting mechanism and the lifting mechanism, the shifting levers are all folded in the first cross groove, at the moment, the top of the LED curved surface display screen is manually pressed again, the base drives the waist-shaped frame to gradually move upwards under the pressing of the LED curved surface display screen, finally the supporting rod is in a vertical state, the external force is removed, the supporting rod carries out certain supporting on the waist-shaped frame, a certain distance between the base and the tabletop is ensured, a larger space for accommodating the keyboard is provided for the tabletop, and the space occupied by the keyboard is saved, so that certain space for afternoon nap is provided for a user, more convenience is brought for the user, and the height of the LED curved surface display screen can be stably adjusted, so that the operation is labor-saving and convenient.

Drawings

The application will be further described with reference to the drawings and examples.

Fig. 1 is a perspective view of the present application.

Fig. 2 is an enlarged schematic view of the area a of fig. 1 according to the present application.

FIG. 3 is a schematic view of the structure of the bracket, the deflector rod and the limiting plate in the present application.

Fig. 4 is a perspective view of the rear side of the present application.

Fig. 5 is an enlarged schematic view of the present application in the region B of fig. 4.

Fig. 6 is a top cross-sectional view of a T-bar of the present application.

Fig. 7 is a partial side view of a base in accordance with the present application.

Fig. 8 is a partial front cross-sectional view of the present application.

Fig. 9 is a partial side cross-sectional view of a base in accordance with the present application.

Fig. 10 is a bottom view of the present application.

Fig. 11 is a partial perspective view of the support mechanism of the present application.

Fig. 12 is a rear cross-sectional view of a T-bar of the present application.

Fig. 13 is an enlarged schematic view of the region C of fig. 12 in accordance with the present application.

In the figure: 1. a base; 2. a T-shaped rod; 201. a mold frame; 202. a suction cup; 203. a telescopic rod; 204. a first cross groove; 205. an I-shaped hole; 206. an L-shaped frame; 207. a rotating shaft; 208. a mounting block; 3. an LED curved surface display screen; 4. a screen adjusting mechanism; 401. a guide rod; 402. a slide plate; 5. a support mechanism; 501. a waist-shaped frame; 502. a second cross groove; 503. a cross block; 504. a round roller; 505. a pi-shaped seat; 506. a support rod; 507. a support base; 508. a return spring; 509. a sleeve; 510. tooth blocks; 511. a sloping plate; 512. a lifting groove; 513. placing a plate; 514. a winding roller; 515. a traction rope; 6. a lifting mechanism; 601. a gear; 602. a linkage rod; 603. a bracket; 604. a deflector rod; 605. a limiting plate; 606. and a telescopic spring.

Detailed Description

Referring to fig. 1, 2, 4, 5, 6, 7, 8, 9, 11, 12 and 13, an LED display screen with a free-form surface adjusting structure comprises a base 1 and a T-shaped rod 2 symmetrically arranged at the rear end of the top of the base 1, wherein the bottom ends of the two T-shaped rods 2 slide through the bottom of the base 1, a square frame 201 is fixedly sleeved at the bottom ends of the outer walls of the two T-shaped rods 2, the square frame 201 is positioned below the base 1, a telescopic rod 203 is symmetrically arranged at the front end of the bottom of the base 1, suckers 202 are arranged at the bottom ends of the telescopic rod 203 and the T-shaped rods 2, a first cross groove 204 is symmetrically arranged at the far end of the top of the two T-shaped rods 2, an I-shaped hole 205 is symmetrically arranged at the near end of the top of the two T-shaped rods 2, the first cross groove 204 is mutually communicated with the I-shaped hole 205, the inside of two cross groove 204 horizontal segments of No. one all sliding fit has L type frame 206, there is the interval between two L type frame 206 horizontal segments, rotate between two L type frame 206 horizontal segment opposite sides and be connected with pivot 207, pivot 207's outer wall fixedly connected with installation piece 208, installation piece 208 is located between two T type poles 2, and there is the interval between installation piece 208 and one of them pivot 207, LED curved surface display screen 3 is installed to the one end that installation piece 208 kept away from T type pole 2, be provided with between two L type frames 206 and transfer screen mechanism 4, transfer screen mechanism 4 is including the guide bar 401 of symmetry setting in L type frame 206 horizontal segment one end, threaded connection has slide 402 on pivot 207's the outer wall, and slide 402 slip cap is established on the outer wall of two guide bars 401.

During operation, the position of the T-shaped rod 2 is fixed through the sucker 202, the LED curved surface display screen 3 is lifted upwards, the LED curved surface display screen 3 can drive the installation block 208 to rotate synchronously with the rotating shaft 207, the sliding plate 402 can move along the outer wall of the rotating shaft 207 and the guiding rod 401 under the guiding action of the screw drive of the rotating shaft 207 and the guiding rod 401, so that the vertical inclination angle of the LED curved surface display screen 3 is adjusted, the inclination angle of the LED curved surface display screen 3 can be limited and fixed through the screw fit of the rotating shaft 207 and the sliding plate 402, the stabilizing effect is enhanced, the adjustment can be realized without manual rotation, and the use is convenient.

Referring to fig. 1, 4, 7, 8, 9, 10, 11 and 12, the bottom end of the base 1 is provided with a supporting mechanism 5, the supporting mechanism 5 comprises a waist-shaped frame 501 fixedly connected at the bottom end of the base 1, two cross grooves 502 are symmetrically arranged at the left and right sides of the bottom end center of the base 1, a space exists between the two cross grooves 502, a cross block 503 is symmetrically and slidingly matched in the two cross grooves 502, spaces exist between the front end and the rear end of the cross block 503 and the front end and the rear end of the cross groove 502, round rollers 504 are symmetrically and rotationally connected at the front end and the rear end of the cross block 503, the outer walls of the round rollers 504 are in sliding fit with the front end and the rear end of the cross groove 502, annular grooves are respectively arranged in the middle of the outer walls of the two round rollers 504 close to the rear end of the base 1, a n-shaped seat 505 is symmetrically and fixedly connected at the bottom ends of the two cross blocks 503, a supporting rod 506 is rotationally connected between the two horizontal sections of the n-shaped seat 505 through a pin shaft, the pin shafts are connected with the side walls of the supporting rods 506 through torsion springs, one ends of the two supporting rods 506 far away respectively slide through two ends of the waist-shaped frame 501 and are hinged with supporting seats 507, two ends of the waist-shaped frame 501 are symmetrically provided with moving holes corresponding to the positions of the supporting rods 506, a reset spring 508 is connected between opposite sides of the two n-shaped seats 505, two ends of the pin shafts respectively penetrate through the side walls of two horizontal sections of the n-shaped seats 505 and are fixedly sleeved with sleeves 509, one end of each sleeve 509 close to the reset spring 508 is provided with a tooth block 510, the tooth blocks 510 are respectively in sliding fit with the inside of the moving holes, two ends of the bottom of the base 1 close to the suction disc 202 are symmetrically provided with inclined plates 511 matched with the tooth blocks 510, the tops of the two second cross grooves 502 are symmetrically provided with lifting grooves 512 corresponding to the positions of the annular grooves and one ends far away from the reset spring 508, the lifting grooves 512 are mutually communicated with the second cross grooves 502, the front ends of the two T-shaped rods 2 are symmetrically provided with placing plates 513 on one side far away from the base 1, cavities are formed in the front side and the rear side of the inner part of each placing plate 513, one side far away from the T-shaped rods 2 in each placing plate 513 is rotationally connected with a winding shaft, a winding roller 514 is fixedly sleeved on the outer wall of each winding shaft, a traction rope 515 is wound on the outer wall of each winding roller 514, and the tail ends of the traction ropes 515 are sleeved in annular grooves on the outer wall of the round roller 504 through lifting grooves 512 and second cross grooves 502.

When the two winding rollers 514 rotate in the same direction, the two winding rollers 514 wind the two traction ropes 515 respectively, the two round rollers 504 move back to back and rotate along the two second cross grooves 502 under the traction action of the traction ropes 515 respectively, the two cross blocks 503 move synchronously along with the round rollers 504, the two n-shaped seats 505 and the two support rods 506 move together under the driving of the two cross blocks 503 respectively, when the horizontal sections of the two n-shaped seats 505 slide to the outer side of the waist-shaped frame 501, the two support rods 506 rotate downwards to a vertical state under the action of torsion springs, at the moment, opposite sides of the two support rods 506 are respectively contacted with two ends of the waist-shaped frame 501, the support seats 507 synchronously rotate along with the support rods 506, the bottom ends of the support seats 507 are always parallel to the bottom ends of the suckers 202, the support seats 507 are beneficial to increasing the stress area of the support rods 506, at the moment, the n-shaped seats 505 move to the outer sides of the waist-shaped frame under the driving of the two n-shaped seats 505, the support rods 509 and the tooth blocks 510, and the support rods 506 rotate to the vertical state, and the tooth blocks 506 drive the tooth blocks 506 to rotate to the support rods 511 when the vertical state, and the support rods 506 rotate to the vertical state, so that the support rods 511 are prevented from gradually contacting with the vertical position of the support rods 511.

Referring to fig. 1, 2, 3, 4, 8 and 13, the inside of T-shaped rod 2 is provided with elevating system 6, elevating system 6 is including setting up a plurality of tooth teeth of first number on the vertical section opposite side of two L type shelves 206, a plurality of tooth teeth evenly distributed along the direction of height of the vertical section of L type shelves 206, tooth teeth of first number all are located the inside of cross recess 204, the one end that two coiling axles are close to T-shaped rod 2 is the rear end of two place plates 513 and the rear end of two worker's hole 205 of sliding penetration respectively, the equal fixed cover of outer wall of two coiling axles is equipped with gear 601, two gears 601 are located the inside of two worker's hole 205 and two cross recess 204 respectively, gear 601 and the first tooth intermeshing on the lateral wall of L type shelves 206, the inside symmetry of two worker's hole 205 keep away from cross recess 204 is provided with pole 602, the one end that two I's 602 are close to cross recess 204 all is provided with a plurality of tooth teeth of second number, a plurality of teeth of second number are evenly distributed along the direction of height of linkage pole 602 evenly, two tooth 205 support and are located the inside of two I type shelves 206, the tip of two I type shelves 605 is provided with the inside of two I type 206, the tip of contact with the two end of contact support that is located between two I-shaped support side 206 and the inside of two I-shaped support 206, contact with the tip end 603 is provided with the tip of two I-shaped support 602, the tip is connected with the tip end 603, the tip of two carrier 605 is connected with the tip end of I-shaped support is mutually contact with the tip end 603, and the tip end of I-shaped support is equipped with the tip end 603, and the tip is connected with the tip end of I, and the tip end of I-shaped support 602.

When the two gears 601 rotate clockwise or anticlockwise, the two gears 601 drive the two L-shaped frames 206 to gradually move upwards or downwards, the two L-shaped frames 206 drive the plurality of brackets 603, the deflector rods 604 and the limiting plates 605 to synchronously move upwards or downwards, when the plurality of deflector rods 604 move to the upper part of the T-shaped rod 2, the plurality of deflector rods 604 respectively rotate to one side far away from the L-shaped frames 206 under the action of the elastic force of the plurality of telescopic springs 606, at the moment, when the L-shaped frames 206 move downwards, the deflector rods 604 on two sides of the L-shaped frames 206 are clamped at the top of the T-shaped rods 2, so that the positions of the L-shaped frames 206 are limited, the L-shaped frames 206 cannot move downwards, the deflector rods 604 on two sides of the L-shaped frames 206 are manually pinched, the telescopic springs 606 shrink, the brackets 603, the deflector rods 604, the limiting plates 605 and the telescopic springs 606 are all folded in the first cross groove 204, at the moment, the L-shaped frames 206 can continuously move downwards, and simultaneously the two deflector rods 602 synchronously move downwards or move upwards under the driving of the two gears 601, and the base 602 synchronously move upwards.

Working principle: the position of the T-shaped rod 2 is fixed on a desktop through the sucker 202, the LED curved surface display screen 3 is lifted upwards, the LED curved surface display screen 3 can drive the installation block 208 to rotate synchronously with the rotating shaft 207, the sliding plate 402 can move along the outer wall of the rotating shaft 207 and the guiding rod 401 under the guiding action of the screw drive of the rotating shaft 207 and the guiding rod 401, so that the vertical inclination angle of the LED curved surface display screen 3 is adjusted, the inclination angle of the LED curved surface display screen 3 can be limited and fixed through the screw fit of the rotating shaft 207 and the sliding plate 402, the stabilizing effect is enhanced, the adjustment can be realized without rotating by hands, and the use is convenient.

The deflector rods 604 on two sides of the L-shaped frame 206 are manually pinched, the telescopic springs 606 are contracted, the brackets 603, the deflector rods 604, the limiting plates 605 and the telescopic springs 606 are all folded in the first cross groove 204, at the moment, the tops of the LED curved surface display screens 3 are manually pressed, the two L-shaped frames 206 move downwards along the first cross groove 204 under the action of self gravity and manual application force of the LED curved surface display screens 3, the two gears 601 respectively rotate, simultaneously the two linkage rods 602 synchronously move upwards under the drive of the two gears 601, the linkage rods 602 drive the base 1 to synchronously move, the base 1 drives the two telescopic rods 203 to gradually stretch, the two winding rollers 514 respectively rotate with the winding rollers 514 coaxially connected with the two gears 601, the two round rollers 504 respectively wind the two traction ropes 515, the two cross blocks 503 respectively move backwards and rotate along the two second cross grooves 502 under the traction force of the traction ropes 515, the reset spring 508 is gradually extended, the two n-shaped seats 505 and the two supporting rods 506 are respectively driven by the two cross blocks 503 to move together, when the horizontal sections of the two n-shaped seats 505 slide to the outer side of the waist-shaped frame 501, the two supporting rods 506 are downwards rotated to a vertical state under the action of the torsion springs, at the moment, opposite sides of the two supporting rods 506 are respectively contacted with two ends of the waist-shaped frame 501, the supporting seats 507 synchronously rotate along with the supporting rods 506, the bottom ends of the supporting seats 507 are always parallel to the bottom ends of the suckers 202, the supporting seats 507 are beneficial to increasing the stress area of the supporting rods 506, so that the supporting rods 506 are supported more firmly, at the moment, the sleeve 509 and the tooth blocks 510 are driven by the n-shaped seats 505 to move to the outer side of the waist-shaped frame 501, and when the supporting rods 506 rotate to the vertical state, the supporting rods 506 drive the coaxially connected tooth blocks 510 to rotate together and gradually contact with the inclined plates 511, at this time, the inclined plate 511 limits the position of the supporting rod 506, ensures the vertical position of the supporting rod 506, prevents the supporting rod 506 from shaking, removes external force, supports the base 1 to a certain extent by the two supporting rods 506, the two T-shaped rods 2 and the two telescopic rods 203, ensures that a certain distance is kept between the base 1 and the tabletop, provides a larger space for accommodating a keyboard for the tabletop, saves the space occupied by the keyboard, provides a certain afternoon nap space for a user, brings more convenience for the user, can stably adjust the height of the LED curved surface display screen 3, is labor-saving and convenient to operate, takes out the keyboard when afternoon nap is not needed, lifts the bottom end of the LED curved surface display screen 3 to move upwards, drives the two L-shaped frames 206 to move upwards synchronously by the LED curved surface display screen 3, drives the two gears 601 to rotate, and drives the two linkage rods 602 to move downwards gradually, the linkage rod 602 drives the base 1 to synchronously move downwards, the telescopic rod 203 gradually contracts, the winding rollers 514 coaxially connected with the two gears 601 respectively rotate, the two winding rollers 514 unwind the two traction ropes 515 respectively, the two cross blocks 503 drive the two round rollers 504 to move relatively under the action of the elastic force of the return springs 508 respectively, the two traction ropes 515 move along with the two cross blocks 503, the two cross blocks 503 drive the two n-shaped seats 505 and the two support rods 506 to synchronously move to a horizontal state, finally the two support rods 506 are retracted into the moving holes, when the plurality of deflector rods 604 move to the upper side of the T-shaped rod 2 along with the L-shaped frame 206, the plurality of deflector rods 604 rotate to the side far away from the L-shaped frame 206 under the action of the elastic force of the plurality of telescopic springs 606 respectively, when the L-shaped frame 206 moves downwards, the deflector rods 604 on the two sides of the L-shaped frame 206 are clamped at the top of the T-shaped rod 2, therefore, the position of the L-shaped frame 206 is limited, the L-shaped frame 206 cannot move downwards, and the base 1 drives the waist-shaped frame 501 to be located on the table top.

Claims

1. The utility model provides a but LED display screen of free regulation curved surface structure, includes base and symmetry setting at the T type pole of base top rear end, its characterized in that: the bottom ends of the two T-shaped rods penetrate through the bottom of the base in a sliding manner, an LED curved surface display screen is arranged between the two T-shaped rods, a supporting mechanism for supporting the base is arranged at the bottom end of the base, a lifting mechanism for limiting the base is arranged in the T-shaped rods, and when the LED curved surface display screen is pressed downwards, the supporting mechanism moves outwards and supports the base, and the lifting mechanism is driven to move upwards and drive the base to move synchronously in the outwards moving process of the supporting mechanism;

the bottom ends of the outer walls of the two T-shaped rods are fixedly sleeved with a return frame, the front ends of the bottoms of the bases are symmetrically provided with telescopic rods, and the bottom ends of the telescopic rods and the T-shaped rods are provided with suckers;

the LED curved surface display screen is characterized in that a first cross groove is symmetrically formed in one end, far away from the tops, of each T-shaped rod, an I-shaped hole is symmetrically formed in one end, close to the tops, of each T-shaped rod, the first cross groove is communicated with the I-shaped hole, the inner parts of the horizontal sections of the two first cross grooves are in sliding fit with an L-shaped frame, a rotating shaft is rotatably connected between the opposite sides of the horizontal sections of the two L-shaped frames, the outer wall of the rotating shaft is fixedly connected with a mounting block, and an LED curved surface display screen is mounted at one end, far away from the T-shaped rods, of each mounting block;

the support mechanism comprises a waist-shaped frame fixedly connected to the bottom end of the base, two number two cross grooves are formed in the center symmetry of the bottom end of the base, a distance exists between the two number two cross grooves, cross blocks are symmetrically matched in a sliding mode inside the two number two cross grooves, a distance exists between the front end and the rear end of each cross block and the front end and the rear end of each two number two cross grooves, round rollers are symmetrically and rotationally connected to the front end and the rear end of each cross block, annular grooves are formed in the middle portions of the outer walls of the two round rollers close to the rear end of the base, n-shaped seats are symmetrically and fixedly connected to the bottom ends of the two cross blocks, supporting rods are rotationally connected between two horizontal sections of the n-shaped seats through pin shafts, the pin shafts are connected with the side walls of the supporting rods through torsion springs, one ends, away from each other, of the two supporting rods respectively slide through the two ends of the waist-shaped frame and are hinged with supporting seats, moving holes are symmetrically formed in positions of the two ends of the waist-shaped frame, and reset springs are connected between the opposite sides of the two n-shaped seats.

2. The LED display screen with a free-form surface-adjusting structure according to claim 1, wherein: a screen adjusting mechanism is arranged between the two L-shaped frames and comprises guide rods symmetrically arranged at one end of the horizontal section of the L-shaped frame, a sliding plate is connected to the outer wall of the rotating shaft in a threaded manner, and the sliding plate is sleeved on the outer wall of the two guide rods in a sliding manner.

3. The LED display screen with a free-form surface-adjusting structure according to claim 1, wherein: the two ends of the pin shaft respectively penetrate through the side walls of the two horizontal sections of the n-shaped seat and are fixedly sleeved with sleeves, one end of each sleeve, which is close to the reset spring, is provided with tooth blocks, the tooth blocks are in sliding fit in the moving holes, and inclined plates matched with the tooth blocks are symmetrically arranged at the two ends, which are close to the suction disc, of the bottom of the base.

4. The LED display screen with a free-form surface-adjusting structure according to claim 1, wherein: two the lifting groove has been seted up to the position that No. two cross groove tops correspond the ring channel and the one end symmetry of keeping away from reset spring, communicates each other between lifting groove and the No. two cross grooves, and one side symmetry that base was kept away from to two T type pole front ends is provided with places the board, and both sides all are provided with the cavity around placing the board inside, place the board inside one side of keeping away from T type pole and rotate and be connected with the winding axle, and the fixed cover of outer wall of winding axle is equipped with the winding roller, and the outer wall winding of winding roller has the haulage rope, and the terminal of haulage rope is established inside the ring channel of round roller outer wall through lifting groove and No. two cross groove cover.

5. The LED display screen with a free-form surface-adjusting structure according to claim 1, wherein: the lifting mechanism comprises a plurality of first teeth arranged on opposite sides of the vertical section of the two L-shaped frames, the first teeth are uniformly distributed along the height direction of the vertical section of the L-shaped frames, one ends of the two winding shafts close to the T-shaped rods are respectively and slidably penetrated through the rear ends of the two placing plates and the rear ends of the two I-shaped holes, gears are fixedly sleeved on the outer walls of the two winding shafts, the two gears are respectively positioned in the two I-shaped holes and the inner parts of the two first cross grooves, the gears are meshed with the first teeth on the side walls of the L-shaped frames, the two I-shaped holes are symmetrically and slidably provided with a linkage rod, one ends of the two linkage rods close to the first cross grooves are respectively provided with a plurality of second teeth, the second teeth on the side walls of the linkage rod are respectively and slidably meshed with the second teeth on the side walls of the linkage rod, and the tail ends of the two linkage rods are fixedly connected with the top of the base.

6. The LED display screen with a free-form surface-adjusting structure according to claim 1, wherein: the front end and the rear end of the vertical section of the L-shaped frame are symmetrically provided with brackets respectively, the brackets are in sliding fit in the cross groove I, a deflector rod is rotationally connected between the two brackets on the same side, a limiting plate is fixedly connected between the two brackets on the same side, the top end of the limiting plate is contacted with the top of the deflector rod, and a telescopic spring is connected between the deflector rod and the L-shaped frame.