CN114458905A

CN114458905A - Art design picture display rack capable of self-adaptively adjusting height

Info

Publication number: CN114458905A
Application number: CN202210102480.7A
Authority: CN
Inventors: 杨琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-05-10

Abstract

The invention relates to the technical field of picture display, in particular to an art design picture display rack capable of self-adaptively adjusting height, which comprises a base, an operation table, a fixing plate, a display screen and a lifting mechanism, wherein the operation table is installed on the upper end surface of the base, the lifting mechanism is arranged on the operation table, the fixing plate is installed on the operation table and is of a clip structure, a protective cover is installed on the fixing plate, and the display screen is installed on the protective cover. The lifting mechanism designed by the invention can adjust the height of the display screen in a trampling mode, so that the height of the display screen can be accurately adjusted according to the height of the comparison personnel, the visual effect of each comparison personnel on the design picture manuscript is increased, the picture display effect is good, the requirement of the optimal height visual viewing effect of the comparison personnel with different heights is met, and the problem that the comparison personnel cannot directly and effectively see the design manuscript picture displayed on the electronic display screen due to the height in the comparison process of the design picture manuscript is avoided.

Description

Art design picture display rack capable of self-adaptively adjusting height

Technical Field

The invention relates to the technical field of picture display, in particular to an art design picture display rack with self-adaptive height adjustment.

Background

At present, when many large-scale clothing companies design clothing pictures, design picture manuscripts of multiple artistic designers are generally analyzed and compared, comparison is carried out by experts in multiple clothing artistic design directions and public figures in the clothing design field, mutual view communication is carried out in the comparison process, and finally the clothing artistic design manuscripts which most meet the current requirements are selected for production and put into the market.

The traditional clothes art design picture evaluation is that experts in each clothes art design direction and public figures in the field of clothes design are printed with a design picture manuscript for respective watching and comparison, because the design picture manuscripts are more, the printing contrast on paper lacks visual sense, the picture display effect is poor, the effect of the design picture manuscript contrast is poor, no person prints and watches the on-site communication interaction which can not be carried out quickly and effectively, and the result of the poor evaluation effect of the design picture manuscripts is poor.

Disclosure of Invention

In order to solve the problems, the invention adopts the following technical scheme that the height-adjustable artistic design picture display rack comprises a base, an operation table, a fixing plate, a display screen and a lifting mechanism, wherein the operation table is installed on the upper end surface of the base, the lifting mechanism is arranged on the operation table, the fixing plate is installed on the operation table and is of a clip structure, a protective cover is installed on the fixing plate, the display screen is installed on the protective cover, and the display screen is provided with four display screens.

The lifting mechanism comprises a rectangular groove, a fixed table, an adjusting gear, an adjusting rack, a reset spring, a pushing frame, a lifting rack, a pushing plate, a pressing rod, a pushing plate and a limiting cylinder, wherein the rectangular groove is formed in the upper end face of the operating table, the fixed table is installed on the lower end face of the display screen and penetrates into the rectangular groove, the left side and the right side of the rectangular groove are respectively provided with a mounting groove communicated with the rectangular groove, the operating table is provided with a cross-shaped groove communicated with the mounting grooves, the mounting grooves are rotationally connected with a rotating shaft, the rotating shaft is fixedly sleeved with the adjusting gear, the left side and the right side of the fixed table are respectively provided with the adjusting rack meshed with the adjusting gear, the horizontal sections of the cross-shaped grooves are provided with the reset springs which are symmetrically arranged, the two reset springs are jointly provided with the pushing frame, the positions of the pushing frames on the two sides are opposite, the pushing frame is provided with a stepped through groove, and the lifting rack is connected in the stepped through groove in a sliding manner, install the push pedal through adjusting spring on the propelling movement frame, it has two depression bars to articulate in the push pedal, the depression bar is the V font and arranges, two depression bars respectively with the lifting rack, the ladder leads to the groove and articulates mutually, set up the slot rather than being linked together on the cross groove, cross inslot has the board that bulldozes through the pulling spring mounting, the board that bulldozes that is located the right side is the Z-shaped structure, it is the rectangle structure to be located left bulldoze the board, bulldoze the board and be located one side that adjusting spring was kept away from to the push pedal, the spacing groove has been seted up to the preceding terminal surface that is located the cross groove on right side, spacing section of thick bamboo is installed to the spacing inslot, the vertical section of the board that bulldozes on right side runs through spacing section of thick bamboo, the preceding terminal surface that the board was bulldozed in left side is installed and is driven the group, locking group is installed to left cross inslot, install the chucking group on the fixed station.

Drive group including the groove of sliding, promote rack, footboard, drive rack and drive gear, the left side the groove of sliding has been seted up to the preceding terminal surface in cross-shaped groove, the left side bulldozes the front end of board and installs the promotion rack, two spouts have been seted up in the inslot of sliding, the rear end face that promotes the rack passes through slider and left spout sliding connection, sliding connection has the footboard in the spout on right side, install the drive rack on the footboard, the inslot rotation that slides is connected with the drive shaft, the fixed cover of drive shaft is equipped with the drive gear, drive gear and promotion rack, drive the rack and mesh mutually, carry out accurate altitude mixture control to the display screen through foot-operated, and the operation is convenient, and the suitability is strong.

According to a preferred technical scheme, the locking group comprises a fixed shaft, clamping teeth, a ratchet wheel, a pushing spring rod, a clamping plate and a push rod, the fixed shaft is fixedly arranged in the cross-shaped groove on the left side, the clamping teeth are symmetrically arranged on the fixed shaft in a sleeved mode, a torsion spring is arranged between the clamping teeth and the fixed shaft, the right side of each clamping tooth is provided with a clamping groove, the ratchet wheel symmetrically arranged front and back is fixedly sleeved on a rotating shaft on the left side, the ratchet wheel is matched with the clamping teeth, the clamping plate is arranged on the right end face of the cross-shaped groove on the left side through the pushing spring rod, the clamping plate is clamped with the clamping groove, the lower end face of the clamping plate is provided with driving rods symmetrically arranged front and back, the lifting rack on the left side is provided with the push rod symmetrically arranged front and back, and the push rod is located on the left side of the driving rods.

As a preferred technical scheme of the invention, buffer springs are symmetrically arranged between the upper end surface of the operating platform and the protective cover, the buffer springs are positioned in the fixed plate, and the buffer springs play a role in buffering the lifting of the display screen.

As a preferred technical scheme of the invention, the clamping set comprises a rotating shaft, jacks, storage grooves, a pressure spring, clamping rods, a placing groove, electric telescopic rods, V-shaped grooves and ropes, a mounting hole is formed in the upper end of the fixed platform, the display screen is rotatably connected to the protective cover through the rotating shaft, the rotating shaft penetrates through the protective cover and is then rotatably connected with the mounting hole, four jacks which are uniformly distributed are formed in the outer wall of the rotating shaft along the circumferential direction of the rotating shaft, the storage grooves which are symmetrically arranged left and right are formed in the mounting hole, the clamping rods are mounted in the storage grooves through the pressure springs which are symmetrically arranged up and down, the clamping rods are clamped with the corresponding jacks, the placing groove is formed in the fixed platform, the electric telescopic rods are mounted in the placing groove, the pulling plate is mounted at the telescopic end of the electric telescopic rods, the V-shaped groove communicated with the placing groove is formed in one end of the storage groove far away from the mounting hole, one end of the clamping rods far away from the jacks is connected with the pulling plate through the ropes, the rope passes through the V-shaped groove.

As a preferred technical scheme of the invention, four universal wheels which are arranged in a matrix manner are arranged on the lower end surface of the base, so that the display screen can move conveniently.

According to a preferable technical scheme of the invention, the pushing frame and the cross-shaped groove are both provided with magnets, the magnetism of the two magnets is opposite, and the pushing frame increases the elasticity of the return spring under the action of the adsorption force of the magnets.

In a preferred embodiment of the present invention, a raising mark and a lowering mark are respectively installed at the front end of the right-side pushing plate and the front end of the left-side pedal, so as to distinguish which side of the left and right pedals is on, and the display screen can be raised or lowered.

The invention has the beneficial effects that: 1. the lifting mechanism designed by the invention can adjust the height of the display screen in a trampling mode, so that the height of the display screen can be accurately adjusted according to the height of the comparison personnel, the visual effect of each comparison personnel on the design picture manuscript is increased, the picture display effect is good, the requirement of the optimal height visual viewing effect of the comparison personnel with different heights is met, and the problem that the comparison personnel cannot directly and effectively see the design manuscript picture displayed on the electronic display screen due to the height in the comparison process of the design picture manuscript is avoided.

2. The clamping group in the lifting mechanism is matched with the display screen, so that the display screen of the display screen can be switched in a rotating mode, and the panel can be conveniently and visually classified and compared and analyzed by comparing personnel in four directions sitting at fixed positions, can be rapidly communicated and interacted with each other, and greatly improves the comparison efficiency.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of a first three-dimensional structure of the present invention.

Fig. 3 is a partial perspective view of the lifting mechanism of the present invention.

FIG. 4 is an enlarged view of FIG. 3 taken at A

Fig. 5 is a top view of the present invention.

Fig. 6 is a sectional view taken along line B-B of fig. 5 in accordance with the present invention.

Fig. 7 is an enlarged view of the invention at C of fig. 6.

Fig. 8 is an enlarged view of the invention at D of fig. 6.

In the figure: 1. a base; 2. a protective cover; 3. an operation table; 30. a buffer spring; 4. a fixing plate; 5. a display screen; 6. a lifting mechanism; 60. a rectangular groove; 61. a fixed table; 62. an adjusting gear; 63. adjusting the rack; 64. a return spring; 65. a pushing frame; 66. a lifting rack; 67. pushing the plate; 68. a pressure lever; 69. a push plate; 601. a limiting cylinder; 610. a sliding groove; 611. pushing the rack; 612. a pedal; 613. driving the rack; 614. driving the gear; 620. a fixed shaft; 621. clamping teeth; 622. a ratchet wheel; 623. pushing the spring rod; 624. clamping a plate; 625. a push rod; 630. a magnet; 631. raising the mark; 632. a descent indication; 660. a rotating shaft; 661. a jack; 662. a storage tank; 663. a pressure spring; 664. a clamping rod; 665. a placement groove; 666. an electric telescopic rod; 667. a V-shaped groove; 668. a rope.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to fig. 1, but art design picture show shelf of self-adaptation regulation height, including base 1, operation panel 3, fixed plate 4, display screen 5 and elevating system 6, operation panel 3 is installed to the up end of base 1, is provided with elevating system 6 on the operation panel 3, installs fixed plate 4 on the operation panel 3, and fixed plate 4 is the structure of returning the shape, installs protection casing 2 on the fixed plate 4, installs display screen 5 on the protection casing 2, and display screen 5 is provided with four show screens.

Referring to fig. 6, four universal wheels are mounted on the lower end surface of the base 1 in a matrix arrangement to facilitate movement of the display screen 5.

Referring to fig. 2, 6 and 7, the lifting mechanism 6 includes a rectangular groove 60, a fixed platform 61, an adjusting gear 62, an adjusting rack 63, a return spring 64, a pushing frame 65, a lifting rack 66, a pushing plate 67, a pressing rod 68, a pushing plate 69 and a limiting cylinder 601, the rectangular groove 60 is disposed on the upper end surface of the operating platform 3, the fixed platform 61 is mounted on the lower end surface of the protective cover 2, the fixed platform 61 penetrates the rectangular groove 60, mounting grooves communicated with the rectangular groove 60 are disposed on the left and right sides of the rectangular groove 60, a cross-shaped groove communicated with the mounting grooves is disposed on the operating platform 3, a rotating shaft is rotatably connected in the mounting grooves, the adjusting gear 62 is fixedly sleeved on the rotating shaft, the adjusting rack 63 meshed with the adjusting gear 62 is mounted on the left and right sides of the fixed platform 61, the return springs 64 symmetrically disposed on the left and right sides are mounted on the horizontal section of the cross-shaped groove, the pushing frames 65 are mounted on the two return springs 64, the positions of pushing frames 65 on two sides are opposite, a step through groove is formed in each pushing frame 65, a lifting rack 66 is connected in the step through groove in a sliding mode, a pushing plate 67 is installed on each pushing frame 65 through an adjusting spring, two pressing rods 68 are hinged to each pushing plate 67, the pressing rods 68 are arranged in a V-shaped mode, the two pressing rods 68 are respectively hinged to the lifting racks 66 and the step through groove, slots communicated with the cross through groove are formed in the cross through groove, a pushing plate 69 is installed in the cross through groove through a pulling spring, the pushing plate 69 on the right side is of a Z-shaped structure, the pushing plate 69 on the left side is of a rectangular structure, the pushing plate 69 is located on one side, away from the adjusting spring, of the pushing plate 67 on the right side, a limiting groove is formed in the front end face of the cross through the limiting cylinder 601, a vertical section of the pushing plate 69 on the right side penetrates through the limiting cylinder 601, a driving group is installed on the front end face of the pushing plate 69 on the left side, and a locking group is installed in the cross through groove on the left side, the fixing base 61 is provided with a clamping group.

When the display screen 5 needs to be heightened, firstly, the front end of the right pushing plate 69 is used for pulling the spring to move downwards, meanwhile, the pushing plate 69 pushes the pushing plate 67 to move downwards, the pushing plate 67 moves downwards, the pushing rack 66 is pushed by the pressing rod 68 to be meshed with the adjusting gear 62, meanwhile, the pushing frame 65 is pushed by the pushing plate 67 to move downwards, so that the lifting rack 66 drives the adjusting gear 62 to rotate, the fixing table 61 is driven to move upwards by the meshing with the adjusting rack 63 while the adjusting gear 62 rotates, the display screen 5 moves upwards, and a rear panel comparator can also clearly view the content of the artistic design manuscript on the display screen, the height of the display screen can be accurately adjusted according to the height of the evaluation personnel, the visual effect of each evaluation personnel on the design picture manuscript is increased, the picture display effect is good, the requirement of the optimal height visual viewing effect of the evaluation personnel with different heights is met, and the problem that the evaluation personnel can not directly and effectively see the design manuscript picture displayed on the electronic display screen due to the height in the design picture manuscript evaluation process is avoided.

Referring to fig. 2, the driving assembly includes a sliding groove 610, a pushing rack 611, a pedal 612, a driving rack 613 and a driving gear 614, the sliding groove 610 is formed in the front end surface of the cross-shaped groove on the left side, the pushing rack 611 is installed at the front end of the pushing plate 69 on the left side, two sliding grooves are formed in the sliding groove 610, the rear end surface of the pushing rack 611 is slidably connected with the sliding groove on the left side through a sliding block, the pedal 612 is slidably connected with the sliding groove on the right side, the driving rack 613 is installed on the pedal 612, a driving shaft is rotatably connected in the sliding groove 610, the driving gear 614 is fixedly sleeved on the driving shaft, and the driving gear 614 is meshed with the pushing rack 611 and the driving rack 613.

When the working is carried out, when the display screen 5 needs to be lowered, the pedal 612 moves downwards to enable the pedal 612 to drive the driving rack 613 to move downwards to drive the rack 613 to be meshed with the driving gear 614, so as to drive the pushing rack 611 to move upwards, the pushing rack 611 is driven to move while driving the pushing plate 69 on the left side to move upwards, so that the pushing plate 69 on the left side repeats the same action with the pushing plate 69 on the right side, so that the fixed platform 61 moves downwards, when the feet are loosened, because the elastic force of the adjusting spring is greater than that of the return spring 64, the pushing plate 67 pushes the pushing plate 67 to move upwards under the elastic force of the adjusting spring, so that the lifting rack 66 is disengaged from the adjusting gear 62, so as to reset the pushing plates 69 on the left side and the right side, the height of the display screen 5 is adjusted by foot, and accurate adjustment of the height of the display screen 5 by a panel evaluator is facilitated, can be flexibly and accurately adjusted according to the rising of the art design manuscript rating personnel, thereby greatly increasing the rating efficiency.

Referring to fig. 3 and 4, the locking group includes a fixing shaft 620, latch 621, a ratchet 622, a pushing spring rod 623, a clamping plate 624 and a push rod 625, the fixing shaft 620 is fixedly installed in the cross-shaped groove on the left side, the latch 621 symmetrically arranged is sleeved on the fixing shaft 620, a torsion spring is installed between the latch 621 and the fixing shaft 620, the clamping groove is formed in the right side of the latch 621, the ratchet 622 symmetrically arranged front and back is fixedly sleeved on a rotating shaft on the left side, the ratchet 622 is matched with the latch 621, the clamping plate 624 is installed on the right end surface of the cross-shaped groove on the left side through the pushing spring rod 623, the clamping plate 624 is clamped with the clamping groove, driving rods symmetrically arranged front and back are installed on the lower end surface of the clamping plate 624, the push rods 625 symmetrically arranged front and back are installed on the lifting rack 66 on the left side, and the push rod 625 is located on the left side of the driving rods.

When the adjusting gear 62 on the right side is meshed with the adjusting rack 63 in operation, the pushing spring bar 623 pushes the clamping plate 624 to be always clamped with the clamping groove on the clamping tooth 621, the clamping tooth 621 can also fluctuate along with the rotation of the ratchet wheel 622, when the adjusting gear 62 on the right side stops rotating, the ratchet wheel 622 is matched with the clamping tooth 621 to lock and fix the position of the fixed platform 61, so that the problem that the fixed platform 61 moves downwards is avoided, when the lifting rack 66 on the left side is meshed with the adjusting gear 62 on the left side, the push rods 625 on two sides of the lifting rack 66 push the driving rod and the clamping plate 624 to move rightwards, so that the push plate 67 is separated from the clamping groove, when the lifting rack 66 on the left side is meshed with the adjusting gear 62 to rotate, the ratchet wheel 622 rotates, and the clamping tooth 621 fluctuates along with the driving of the ratchet wheel 622 under the action of no abutting force of the clamping plate 624, so as to facilitate the descending of the fixed platform 61, and when the lifting rack 66 on the left side is separated from the adjusting gear 62, the spring bar 623 is pushed to push the clamping plate 624 to be clamped in the clamping groove, so that the clamping tooth 621 is fixed, and the elastic force of the spring bar 623 is enough to tightly abut against the clamping tooth 621 to overturn.

Referring to fig. 6, the buffer springs 30 are symmetrically arranged between the upper end surface of the operating platform 3 and the protective cover 2, the buffer springs 30 are located in the fixing plate 4, and the buffer springs 30 buffer the lifting of the display screen 5.

Referring to fig. 7, magnets 630 are installed on the pushing frame 65 and the cross-shaped groove, the two magnets 630 have opposite magnetism, and when the pushing plate 69 moves towards the pushing frame 65, the pushing frame 65 increases the elastic force of the return spring 64 under the action of the attraction force of the magnets 630, so that the adjusting spring contracts first, and then the lifting rack 66 is meshed with the adjusting gear 62 first and then moves downwards.

Referring to fig. 5, the front end of the right push plate 69 and the front end of the left pedal 612 are respectively provided with a rising mark 631 and a falling mark 632, so as to distinguish which side of the left and right pedals can cause the display screen 5 to rise or fall.

Referring to fig. 7 and 8, the clamping set includes a rotation shaft 660, insertion holes 661, storage slots 662, a pressure spring 663, a clamping rod 664, a placement slot 665, an electric telescopic rod 666, a V-shaped slot 667, a pulling plate 669 and a rope 668, the upper end of the fixed platform 61 is provided with a mounting hole, the display screen 5 is rotatably connected to the shield 2 through the rotation shaft 660, the rotation shaft 660 penetrates through the shield 2 and is rotatably connected with the mounting hole, the outer wall of the rotation shaft 660 is provided with four insertion holes 661 uniformly arranged along the circumferential direction, the mounting hole is provided with storage slots 662 symmetrically arranged left and right, the storage slots 662 are provided with clamping rods 664 through pressure springs 663 symmetrically arranged up and down, the clamping rods 664 are clamped between the corresponding insertion holes 661, the placement slot 665 is provided on the fixed platform 61, the electric telescopic rod 666 is provided in the placement slot 665, the pulling plate 669 is provided at the telescopic end of the electric telescopic rod 666, one end of the storage slot 662 far away from the mounting hole is provided with a V-shaped slot 667 communicated with the placement slot 665, the end of the locking rod 664 far away from the inserting hole 661 is connected with the pulling plate 669 through a rope 668, and the rope 668 passes through the V-shaped groove 667.

When the device works, the four display screens of the display screen 5 can all perform comparison display of art design manuscript pictures, when the comparison displayed art design manuscripts need to be adjusted and converted, the pull plate 669 is driven by the electric telescopic rod 666 to move downwards, so that the pull plate 669 pulls the clamping rod 664 into the storage groove 662 through the rope 668, the pressure spring 663 is in a contraction state at the moment, the position of the rotating shaft 660 is not limited any more, the display screen 5 is rotated by 90 degrees, so that evaluators in different directions can see the art design manuscript pictures displayed on the display screen 5 without changing the position, after the display screen 5 rotates by 90 degrees, the electric telescopic rod 666 is started, so that the electric telescopic rod 666 drives the pull plate 669 to move upwards, at the moment, the clamping rod 664 is clamped into the corresponding jack 661 under the action of elastic extension reset of the pressure spring 663, so as to limit the position of the display screen 5, the display screen 5 is prevented from rotating and shaking in the process of displaying.

During specific work, firstly, the display screen 5 is moved to a required position, art design evaluation manuscripts are displayed through the display screen 5, then the position height of the display screen 5 is adjusted through the lifting mechanism 6, and then the clamping rod 664 is pulled through the electric telescopic rod 666 to be separated from the jack 661, so that four display screens of the display screen 5 can rotate, and finally, after the rotation position of the display screen 5 is determined, the rotation shaft 660 at the lower end of the display screen 5 is clamped and fixed through the clamping rod 664.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an art design picture show shelf of self-adaptation height-adjusting, includes base (1), operation panel (3), fixed plate (4), display screen (5) and elevating system (6), its characterized in that: an operation table (3) is installed on the upper end face of the base (1), a lifting mechanism (6) is arranged on the operation table (3), a fixing plate (4) is installed on the operation table (3), the fixing plate (4) is of a clip-shaped structure, a protective cover (2) is installed on the fixing plate (4), a display screen (5) is installed on the protective cover (2), and four display screens are arranged on the display screen (5);

the lifting mechanism (6) comprises a rectangular groove (60), a fixed platform (61), an adjusting gear (62), an adjusting rack (63), a reset spring (64), a pushing frame (65), a lifting rack (66), a pushing plate (67), a pressing rod (68), a pushing plate (69) and a limiting cylinder (601), the rectangular groove (60) is formed in the upper end face of the operating platform (3), the fixed platform (61) is installed on the lower end face of the protective cover (2), the fixed platform (61) penetrates into the rectangular groove (60), mounting grooves communicated with the rectangular groove are formed in the left side and the right side of the rectangular groove (60), a cross-shaped groove communicated with the mounting grooves is formed in the operating platform (3), a rotating shaft is rotationally connected with the mounting grooves, the adjusting gear (62) is fixedly sleeved on the rotating shaft, the adjusting rack (63) meshed with the adjusting gear (62) is installed on the left side and the right side of the fixed platform (61), the horizontal section of the cross-shaped groove is provided with reset springs (64) which are symmetrically arranged left and right, two reset springs (64) are provided with a pushing frame (65) together, the positions of the pushing frames (65) at two sides are opposite, a step through groove is formed in each pushing frame (65), a lifting rack (66) is connected in each step through groove in a sliding mode, a pushing plate (67) is arranged on each pushing frame (65) through an adjusting spring, two pressing rods (68) are hinged to each pushing plate (67), the pressing rods (68) are arranged in a V shape, the two pressing rods (68) are hinged to each lifting rack (66) and the step through groove respectively, slots communicated with the two pressing rods are formed in each cross-shaped groove, a pushing plate (69) is arranged in each cross-shaped groove through a pulling spring, the pushing plate (69) on the right side is of a Z-shaped structure, the pushing plate (69) on the left side is of a rectangular structure, and the pushing plate (69) is located on one side, far away from the adjusting spring, of the pushing plate (67), a limiting groove is formed in the front end face of the cross-shaped groove on the right side, a limiting cylinder (601) is installed in the limiting groove, the vertical section of the pushing plate (69) on the right side penetrates through the limiting cylinder (601), a driving group is installed on the front end face of the pushing plate (69) on the left side, a locking group is installed in the cross-shaped groove on the left side, and a clamping group is installed on the fixed table (61);

the driving group comprises a sliding groove (610), a pushing rack (611), a pedal (612), a driving rack (613) and a driving gear (614), the left side is provided with the sliding groove (610) on the front end face of the cross-shaped groove, the pushing rack (611) is installed at the front end of the pushing plate (69) on the left side, two sliding grooves are formed in the sliding groove (610), the rear end face of the pushing rack (611) is connected with the sliding groove on the left side in a sliding mode through a sliding block, the pedal (612) on the right side is connected with the sliding groove in a sliding mode, the driving rack (613) is installed on the pedal (612), a driving shaft is connected in the sliding groove (610) in a rotating mode, the driving gear (614) is fixedly sleeved on the driving shaft, and the driving gear (614) is meshed with the pushing rack (611) and the driving rack (613).

2. The adaptive height-adjustable art design picture display stand according to claim 1, wherein: the locking group comprises a fixed shaft (620), a latch (621) and a ratchet (622), promote spring lever (623), cardboard (624) and push rod (625), the left side cross inslot fixed mounting has fixed axle (620), the cover is equipped with latch (621) of symmetrical arrangement on fixed axle (620), install the torsional spring between latch (621) and fixed axle (620), the draw-in groove has been seted up on the right side of latch (621), fixed cover is equipped with front and back symmetrical arrangement's ratchet (622) in the axis of rotation of left side, ratchet (622) cooperate with latch (621), cardboard (624) are installed through promoting spring lever (623) to left cross groove right-hand member face, joint between cardboard (624) and the draw-in groove, symmetrical arrangement's drive rod around the lower terminal surface of cardboard (624) is installed, be located on left lifting rack (66) and install front and back symmetrical arrangement's push rod (625), push rod (625) are located the drive rod left side.

3. The adaptive height-adjustable art design picture display stand according to claim 1, wherein: buffer springs (30) which are symmetrically arranged left and right are arranged between the upper end surface of the operating platform (3) and the protective cover (2).

4. The adaptive height-adjustable art design picture display stand according to claim 1, wherein: the clamping set comprises a rotating shaft (660), inserting holes (661), storage grooves (662), pressure springs (663), clamping rods (664), a placing groove (665), an electric telescopic rod (666), a V-shaped groove (667), a pulling plate (669) and ropes (668), the upper end of the fixed table (61) is provided with a mounting hole, a display screen (5) is rotatably connected to the protective cover (2) through the rotating shaft (660), the rotating shaft (660) penetrates through the protective cover (2) and is rotatably connected with the mounting hole, the outer wall of the rotating shaft (660) is provided with four inserting holes (661) which are uniformly distributed along the circumferential direction, the placing grooves (662) which are symmetrically distributed left and right are arranged in the mounting hole, the clamping rods (664) are installed in the storage grooves (662) through the pressure springs (663) which are symmetrically distributed up and down, the clamping rods (664) are clamped with the corresponding inserting holes (661), the placing groove (665) is arranged on the fixed table (61), install electric telescopic handle (666) in standing groove (665), pull board (669) are installed to electric telescopic handle's (666) flexible end, V type groove (667) that are linked together with standing groove (665) are seted up to the one end of keeping away from the mounting hole in storage tank (662), are connected through rope (668) between the one end that jack (661) were kept away from in kelly (664) and pull board (669), and V type groove (667) are passed in rope (668).

5. The adaptive height-adjustable art design picture display stand according to claim 1, wherein: four universal wheels which are arranged in a matrix manner are installed on the lower end face of the base (1).

6. The adaptive height-adjustable art design picture display stand according to claim 1, wherein: magnets (630) are mounted on the pushing frame (65) and the cross-shaped groove, and the magnetism of the two magnets (630) is opposite.

7. The adaptive height-adjustable art design picture display stand according to claim 1, wherein: the front end of the right side pushing plate (69) and the front end of the left side pedal (612) are respectively provided with a lifting mark (631) and a descending mark (632).