CN113958818A

CN113958818A - LCD support convenient to angle regulation

Info

Publication number: CN113958818A
Application number: CN202111301379.6A
Authority: CN
Inventors: 王永
Original assignee: Hunan Kehao Electronic Technology Co Ltd
Current assignee: Hunan Kehao Intelligent Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-01-21
Anticipated expiration: 2041-11-04
Also published as: WO2023077536A1; CN113958818B

Abstract

The invention relates to the technical field of display supports, and discloses a liquid crystal display support convenient for angle adjustment, which comprises a support plate, wherein the inner wall of the support plate is rotatably connected with a rotary table, the top of the rotary table is fixedly connected with a support column, the surface of the support column is slidably connected with a display screen through a fixed block, the inner wall of the support column is rotatably connected with two rotary blocks, an upper cross rod is respectively and rotatably connected between the two rotary blocks, one end of the upper cross rod, far away from the rotary blocks, is rotatably connected with an inserted rod, the inner wall of the fixed block is provided with an upper clamping groove, the inner wall of the fixed block is provided with a sliding groove, the surface of the support column is fixedly connected with a limiting rod, the upper cross rod is driven by pressing the rotary blocks, the upper cross rod can drive the inserted rod to move out of the upper clamping groove, and at the moment, the display screen can be integrally turned back and forth and stopped at the position of each upper clamping groove, thereby meeting most of the working requirements of the working personnel.

Description

LCD support convenient to angle regulation

Technical Field

The invention relates to the technical field of display supports, in particular to a liquid crystal display support convenient for angle adjustment.

Background

The display bracket is a product which can fix a display, a notebook computer or a tablet personal computer and the like, can help solve various technical problems when people operate the computer in families or commercial office places, has an ergonomic design, can prevent health problems caused by work fatigue, improves the work efficiency, brings an ideal space for life and work, and has been widely introduced in the fields of retail sale, entertainment, finance, medical treatment, transportation and the like; the product covers single screen, double screen, large-format spliced screen and other categories.

The existing display bracket can only meet the up-and-down lifting adjustment and the large-angle adjustment around the display bracket, and the overall backward or forward turnover angle is smaller, so that the use requirements of part of personnel can not be met, and the liquid crystal display bracket convenient for angle adjustment is provided to solve the problems.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide a liquid crystal display bracket with a convenient angle adjustment for overcoming the above-mentioned shortcomings in the prior art.

In order to solve the technical problems, the invention adopts the technical scheme that: a liquid crystal display bracket convenient for angle adjustment comprises a supporting plate, wherein the inner wall of the supporting plate is rotatably connected with a turntable, the top of the turntable is fixedly connected with a supporting column, the surface of the supporting column is movably connected with a fixed block, the front part of the fixing block is connected with a display screen in a sliding way, the rear part of the display screen is fixedly connected with a clamping strip, the inner wall of the supporting column is rotationally connected with two rotating blocks, an upper cross bar and a lower cross bar are respectively rotationally connected between the two rotating blocks, the ends of the upper cross rod and the lower cross rod far away from the rotating block are rotatably connected with an inserting rod, the inner wall of the fixed block is respectively provided with a plurality of upper clamping grooves which are distributed in a linear array and an arc array, the inner wall of fixed block has seted up the spout, the fixed surface of support column is connected with the gag lever post, the inner wall of backup pad is seted up a plurality of lower draw-in groove that circular array distributes.

Preferably, the top fixedly connected with supporting mechanism of backup pad, the surface of card strip and the inner wall sliding connection of fixed block, the rear portion of fixed block is provided with clearance mechanism.

Preferably, the supporting mechanism comprises a supporting block, the surface of the supporting block is rotatably connected with a rotating plate, the surface of the rotating plate is rotatably connected with a sliding plate, and the bottom of the sliding plate is fixedly connected with an extension plate.

Preferably, the bottom of the supporting block is fixedly connected with the top of the supporting plate, the surface of the sliding plate is slidably connected with the inner wall of the supporting plate, and the surface of the extension plate is slidably connected with the inner wall of the supporting plate.

Preferably, clearance mechanism is including the gasbag, the inner wall of gasbag and the surperficial mutual contact of ejector pad, one side fixedly connected with hob of gasbag is kept away from to the ejector pad, the surperficial swing joint of hob has the sleeve, telescopic front end fixedly connected with slider, the front portion of slider and the rear portion of stopper contact each other, the surperficial fixedly connected with limiting plate and the picture peg respectively of stopper, the gas pocket is seted up to the inside of fixed block.

Preferably, the surface of slider and stopper all with the inner wall sliding connection of fixed block, the surface of picture peg and the inner wall sliding connection of card strip, the helicla flute has been seted up on the surface of hob, telescopic inner wall fixedly connected with fixture block, and the fixture block is arranged in the helicla flute, the spring has been cup jointed on telescopic surface.

Preferably, the inner wall of the sliding block is fixedly connected with a guide pillar, the surface of the guide pillar is connected with a magnetic plate in a sliding mode, the top and the bottom of the magnetic plate are fixedly connected with push rods, one end of each push rod, far away from the magnetic plate, is fixedly connected with a baffle, the front end of each spiral rod is fixedly connected with a plurality of elastic rods, and magnets are arranged among the elastic rods.

Preferably, one end of the elastic rod, which is far away from the spiral rod, is fixedly connected with a rectangular plate, the rectangular plate is in sliding connection with the inner wall of the sliding block, the magnet is in a spherical shape, the baffle plates are positioned at the top and the bottom of the sliding block, and the magnet is attracted with the magnetism of the magnetic plate.

By adopting the technical scheme, the invention can bring the following beneficial effects:

1. this LCD support convenient to angle regulation, it is rotatory with lower cross rod to drive the cross rod through pressing down rotatory piece, it can drive the inserted bar with lower cross rod and shift out from last draw-in groove and draw-in groove down to go up the cross rod, at this moment the display screen can drive the fixed block and reciprocate on the surface of support column, and the carousel also can rotate, and then drive the display screen and carry out the regulation that the circumference rotation carried out the angle, can make the fixed block rotate as the centre of a circle according to the gag lever post simultaneously, make the inserted bar can inject the last draw-in groove of arc arrangement in the fixed block, at this moment the display screen can wholly overturn around going on and can stop in the position department of each last draw-in groove, thereby can satisfy staff's most working demands.

2. This LCD support convenient to angle regulation, it is rotatory to drive the fixed block when the whole upset of display screen, the rotation of fixed block can drive the gasbag rotatory, the gasbag can be with the top contact of rotor plate, and then it is rotatory to drive the rotor plate, the rotor plate can promote the slide and remove, the slide can promote the extension plate and remove, at this moment can remove the focus of backup pad, can lead to the focus skew after preventing the display screen upset, and then lead to the display screen to empty, thereby can shift the focus in the upset of display screen, and then increase the stability of support.

3. This LCD support convenient to angle regulation can contact with the gasbag when the display screen upset, and the gasbag can be extruded and then blow off gas, and gas can blow off through the gas pocket, and then can blow to the cooling hole department at the display screen back to can clear up the dust of cooling hole department, prevent that the dust from influencing the heat dissipation of display screen, the air current can also promote the heat dissipation of display screen simultaneously, promotes the radiating effect.

4. This LCD support convenient to angle regulation, can promote the ejector pad when the gasbag receives the extrusion and remove, the ejector pad promotes the slider through hob and sleeve and removes, the slider promotes the stopper through the inclined plane on surface and removes, the stopper can drive the picture peg and leave the inner wall of card strip, at this moment the display screen can and slide between the fixed block, can make the fixed block still be located the below of display screen after making things convenient for the display screen upset, can be at the top and the bottom installation brush hair of fixed block simultaneously, at this moment the fixed block when sliding on the display screen, can clear up the back of display screen through the brush hair, can also further clear up the dust on the louvre.

5. The liquid crystal display support convenient for angle adjustment is characterized in that when the push block drives the screw rod to move, the surface of the screw rod is provided with a spiral groove, the inner wall of the sleeve is provided with a clamping block in the spiral groove, so the screw rod can rotate when moving, and the inside of the sliding block can extrude the magnet to move towards the other end by the gravity of the rectangular plate, wherein one end of the elastic rod, which is far away from the screw rod, can slide downwards on the inner wall of the sliding block through the rectangular plate, at the moment, the elastic rod can obliquely downwards move, at the moment, the screw rod rotates to drive each elastic rod to rotate, each elastic rod can rotate in a twist shape from one end close to the screw rod, at the moment, the magnet can obliquely downwards move, meanwhile, the magnet can drive the magnetic plate to downwards move to drive the push rod to downwards move, the push rod can push the baffle to block the air hole below, and then air in the air bag can be blown out from the upper air hole, and then increase the clearance to the dust of cooling hole department, the rotation of elastic rod can contact with the magnetic sheet, and then produces and stir its emergence vibration, and the vibration can promote the dust of brush hair surface adhesion to take place to drop, and then realizes the automatically cleaning of brush hair.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention in multiple orientations;

FIG. 3 is a schematic view of the supporting mechanism of the present invention in various orientations;

FIG. 4 is a semi-sectional view of the support post of the present invention;

FIG. 5 is a half-sectional view of the mounting block of the present invention;

FIG. 6 is a multi-orientation half-sectional view of the slider of the present invention.

In the figure: 1. a support plate; 2. a turntable; 3. a support pillar; 4. a fixed block; 5. clamping the strip; 6. a display screen; 7. a support mechanism; 71. a support block; 72. a rotating plate; 73. a slide plate; 74. an extension plate; 8. a cleaning mechanism; 81. an air bag; 82. a push block; 83. a screw rod; 84. a sleeve; 85. a slider; 851. an elastic rod; 852. a magnet; 853. a guide post; 854. a magnetic plate; 855. a push rod; 86. air holes; 87. a limiting block; 88. a limiting plate; 89. inserting plates; 9. rotating the block; 91. an upper cross bar; 92. a lower cross bar; 93. inserting a rod; 94. an upper clamping groove; 95. a chute; 96. a limiting rod; 97. a lower clamping groove.

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.

Examples

A liquid crystal display support convenient for angle adjustment is disclosed, as shown in figures 1-6, comprising a support plate 1, wherein the inner wall of the support plate 1 is rotatably connected with a rotary plate 2, the top of the rotary plate 2 is fixedly connected with a support column 3, the surface of the support column 3 is movably connected with a fixed block 4, the front part of the fixed block 4 is slidably connected with a display screen 6, the rear part of the display screen 6 is fixedly connected with a clamping strip 5, the inner wall of the support column 3 is rotatably connected with two rotary blocks 9, an upper cross rod 91 and a lower cross rod 92 are respectively rotatably connected between the two rotary blocks 9, one ends of the upper cross rod 91 and the lower cross rod 92 far away from the rotary blocks 9 are rotatably connected with an inserted rod 93, the inner wall of the fixed block 4 is respectively provided with a plurality of upper clamping grooves 94 distributed in a linear array and an arc array, the inner wall of the fixed block 4 is provided with a sliding groove 95, and the surface of the support column 3 is fixedly connected with a limiting rod 96, a plurality of lower clamping groove 97 that circular array distributes is seted up to the inner wall of backup pad 1, it is rotatory with lower cross rod 91 to drive cross rod 92 through pressing down rotatory piece 9, it can drive inserted bar 93 and shift out from last clamping groove 94 and lower clamping groove 97 to go up cross rod 91 and lower cross rod 92, at this moment display screen 6 can drive fixed block 4 and reciprocate on support column 3, and carousel 2 also can rotate, and then drive display screen 6 and carry out the circumference rotation, can make fixed block 4 press gag lever post 96 to rotate as the centre of a circle simultaneously, make inserted bar 93 inject the last clamping groove 94 of arc arrangement in fixed block 4, at this moment display screen 6 can wholly overturn around going on and can stop in each position department of last clamping groove 94, thereby can satisfy staff's most of work demands.

In this embodiment, the top fixedly connected with supporting mechanism 7 of backup pad 1, the surface of card strip 5 and the inner wall sliding connection of fixed block 4, the rear portion of fixed block 4 is provided with clearance mechanism 8, and card strip 5 can carry out spacing and direction to fixed block 4, makes fixed block 4 only can and display screen 6 between slide from top to bottom.

Further, supporting mechanism 7 is including supporting shoe 71, the surface rotation of supporting shoe 71 is connected with rotor plate 72, the surface rotation of rotor plate 72 is connected with slide 73, the bottom fixedly connected with extension plate 74 of slide 73, card strip 5 can carry on spacingly and the direction to fixed block 4, make it can only reciprocate, can drive fixed block 4 rotatory when display screen 6 wholly overturns, the rotation of fixed block 4 can drive rotor plate 72 rotatory, rotor plate 72 can promote slide 73 and remove, slide 73 can promote extension plate 74 and remove, at this moment can remove the focus of backup pad 1, prevent that can lead to the focus skew after 6 upsets of display screen, and then lead to display screen 6 to empty, thereby can transfer the focus when 6 upsets of display screen, and then increase the stability of support.

Furthermore, the bottom of the supporting block 71 is fixedly connected with the top of the supporting plate 1, the surface of the sliding plate 73 is slidably connected with the inner wall of the supporting plate 1, the surface of the extension plate 74 is slidably connected with the inner wall of the supporting plate 1, the turntable 2 can only adjust the angle and cannot rotate 180 degrees, and if the rotation of 180 degrees is performed, the center of gravity of the display screen 6 is unstable, and then the display screen falls down.

In addition, clearance mechanism 8 is including gasbag 81, the inner wall of gasbag 81 and the surface of ejector pad 82 contact each other, one side fixedly connected with hob 83 that gasbag 81 was kept away from to ejector pad 82, the surface swing joint of hob 83 has sleeve 84, the front end fixedly connected with slider 85 of sleeve 84, the front portion of slider 85 and the rear portion of stopper 87 contact each other, stopper 87's surface is fixedly connected with limiting plate 88 and picture peg 89 respectively, gas pocket 86 has been seted up to the inside of fixed block 4, can contact with gasbag 81 when display screen 6 overturns, gasbag 81 can be extrudeed and then blow off gas, gas can blow off through gas pocket 86, and then can blow off to the heat dissipation hole at the display screen 6 back, thereby can clear up the dust of heat dissipation hole department, prevent that the dust from influencing the heat dissipation of display screen 6, the air current can also promote the heat dissipation of display screen 6 simultaneously, promote the radiating effect.

Besides, the surfaces of the sliding block 85 and the limiting block 87 are both connected with the inner wall of the fixed block 4 in a sliding manner, the surface of the inserting plate 89 is connected with the inner wall of the clamping strip 5 in a sliding manner, the surface of the spiral rod 83 is provided with a spiral groove, the inner wall of the sleeve 84 is fixedly connected with the clamping block, the clamping block is positioned in the spiral groove, the surface of the sleeve 84 is sleeved with a spring, the spring can help the air bag 81 to reset, the next blowing is facilitated, the air bag 81 is extruded to push the push block 82 to move, the push block 82 pushes the sliding block 85 to move through the spiral rod 83 and the sleeve 84, the sliding block 85 pushes the limiting block 87 to move through the inclined surface, the limiting block 87 can drive the inserting plate 89 to leave the inner wall of the clamping strip 5, at the moment, the display screen 6 can slide between the display screen 6 and the fixed block 4, the fixed block 4 can be positioned below the display screen 6 conveniently after the display screen 6 is turned over, and bristles can be arranged at the top and the bottom of the fixed block 4, at this moment, when the fixed block 4 slides on the display screen 6, the back of the display screen 6 can be cleaned through the bristles, and dust on the heat dissipation holes can be further cleaned.

It is worth noting that the inner wall of the slider 85 is fixedly connected with a guide post 853, the surface of the guide post 853 is slidably connected with a magnetic plate 854, the top and the bottom of the magnetic plate 854 are both fixedly connected with a push rod 855, one end of the push rod 855 far away from the magnetic plate 854 is fixedly connected with a baffle, the front end of the screw rod 83 is fixedly connected with a plurality of elastic rods 851, a magnet 852 is arranged between the plurality of elastic rods 851, when the push block 82 drives the screw rod 83 to move, because the surface of the screw rod 83 is provided with a spiral groove, and the inner wall of the sleeve 84 is provided with a block in the spiral groove, the screw rod 83 rotates when moving, and the inside of the slider 85, because of the gravity of the rectangular plate, one end of the elastic rod 851 far away from the screw rod 83 slides downwards on the inner wall of the slider 85 through the rectangular plate, at this time, the elastic rod 851 inclines downwards, at this time, the rotation of the screw rod 83 drives each elastic rod 851 to rotate, each elastic rod 851 rotates in a twist shape from one end near the screw rod 83, and then extrusion magnet 852 moves to the other end, and at this moment magnet 852 can move down diagonally, and magnet 852 can drive magnetic plate 854 and move down simultaneously, and magnetic plate 854 moves down can drive push rod 855 and move down, and push rod 855 can promote the gas pocket 86 that the baffle will be below and block, and then can make gas all blow off from top gas pocket 86 in the gasbag 81, and then increase the clearance to the heat-sink hole dust.

It is worth to say that, the one end fixedly connected with rectangular plate that the elastic rod 851 is far away from the hob 83, and the rectangular plate is connected with the inner wall sliding of slider 85, and the shape of magnet 852 is the spheroid, and the baffle is located the top and the bottom of slider 85, and magnet 852 attracts mutually with the magnetism of magnetic sheet 854, and the spheroid design can make things convenient for elastic rod 851 to promote it when twisting and move, prevents its card between each elastic rod 851, and then influences the normal operating of device.

According to the working principle, the upper cross rod 91 and the lower cross rod 92 are driven to rotate by pressing the rotating block 9, the inserting rod 93 is driven by the upper cross rod 91 and the lower cross rod 92 to move out of the upper clamping groove 94 and the lower clamping groove 97, the fixing block 4 can be driven by the display screen 6 to move up and down on the supporting column 3, the turntable 2 can also rotate, the display screen 6 is driven to rotate circumferentially, meanwhile, the fixing block 4 can rotate by taking the limiting rod 96 as a circle center, the inserting rod 93 can be inserted into the upper clamping grooves 94 which are arranged in the fixing block 4 in an arc shape, and the display screen 6 can be integrally turned back and forth and can be stopped at the positions of the upper clamping grooves 94, so that most working requirements of workers can be met; when the display screen 6 is turned over integrally, the fixing block 4 is driven to rotate, the airbag 81 is driven to rotate by the rotation of the fixing block 4, the airbag 81 is contacted with the top end of the rotating plate 72, the rotating plate 72 is driven to rotate, the rotating plate 72 pushes the sliding plate 73 to move, the sliding plate 73 pushes the extension plate 74 to move, the center of gravity of the supporting plate 1 can be moved, the phenomenon that the center of gravity shifts after the display screen 6 is turned over and the display screen 6 topples over is prevented, the center of gravity can be transferred while the display screen 6 is turned over, and the stability of the support is improved; the display screen 6 can be contacted with the air bag 81 when being turned over, the air bag 81 can be extruded to blow air, the air can be blown out through the air holes 86, and then the air can be blown to the heat dissipation holes on the back of the display screen 6, so that dust at the heat dissipation holes can be cleaned, the dust is prevented from influencing the heat dissipation of the display screen 6, meanwhile, the air flow can promote the heat dissipation of the display screen 6, and the heat dissipation effect is improved; when the air bag 81 is extruded, the push block 82 is pushed to move, the push block 82 pushes the sliding block 85 to move through the screw rod 83 and the sleeve 84, the sliding block 85 pushes the limiting block 87 to move through the inclined surface on the surface, the limiting block 87 drives the inserting plate 89 to leave the inner wall of the clamping strip 5, at the moment, the display screen 6 can slide with the fixing block 4, the fixing block 4 can be still positioned below the display screen 6 after the display screen 6 is turned over conveniently, meanwhile, bristles can be arranged at the top and the bottom of the fixing block 4, when the fixing block 4 slides on the display screen 6, the back of the display screen 6 can be cleaned through the bristles, and dust on heat dissipation holes can be further cleaned; when the push block 82 drives the screw rod 83 to move, because the surface of the screw rod 83 is provided with the spiral groove, and the inner wall of the sleeve 84 is provided with the fixture block in the spiral groove, the screw rod 83 rotates when moving, and inside the slide block 85, because of the gravity of the rectangular plate, one end of the elastic rod 851, which is far away from the screw rod 83, can slide downwards on the inner wall of the slide block 85 through the rectangular plate, the elastic rod 851 can incline downwards, at this time, the screw rod 83 rotates to drive each elastic rod 851 to rotate, each elastic rod 851 can rotate like a twist from one end close to the screw rod 83, and then the extrusion magnet 852 moves towards the other end, at this time, the magnet 852 can incline downwards, the magnet 852 can drive the magnet 854 downwards to move downwards, the magnet 854 can drive the push rod 855 downwards, the push rod 855 can push the baffle to block the air hole 86 below, and further the air in the air bag 81 can be blown out from the air hole 86 above, further increasing the cleaning of dust at the heat dissipation holes.

The present invention provides a liquid crystal display bracket with easy angle adjustment, and a plurality of methods and ways for implementing the technical solution, the above description is only a preferred embodiment of the present invention, it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.

Claims

1. The utility model provides a LCD support convenient to angle regulation, includes backup pad (1), its characterized in that: the inner wall of the supporting plate (1) is rotatably connected with a turntable (2), the top of the turntable (2) is fixedly connected with a supporting column (3), the surface of the supporting column (3) is movably connected with a fixed block (4), the front part of the fixed block (4) is slidably connected with a display screen (6), the rear part of the display screen (6) is fixedly connected with a clamping strip (5), the inner wall of the supporting column (3) is rotatably connected with two rotating blocks (9), an upper cross rod (91) and a lower cross rod (92) are respectively rotatably connected between the two rotating blocks (9), one ends of the upper cross rod (91) and the lower cross rod (92) far away from the rotating blocks (9) are rotatably connected with an inserting rod (93), a plurality of upper clamping grooves (94) distributed by a linear array and an arc array are respectively arranged on the inner wall of the fixed block (4), a sliding groove (95) is arranged on the inner wall of the fixed block (4), the surface of support column (3) is fixedly connected with gag lever post (96), draw-in groove (97) under a plurality of that circular array distributes are seted up to the inner wall of backup pad (1).

2. The LCD stand of claim 1, wherein the angle of the LCD stand is adjustable by: the top fixedly connected with supporting mechanism (7) of backup pad (1), the surface of card strip (5) and the inner wall sliding connection of fixed block (4), the rear portion of fixed block (4) is provided with clearance mechanism (8).

3. A liquid crystal display stand for facilitating angle adjustment according to claim 2, wherein: the supporting mechanism (7) comprises a supporting block (71), a rotating plate (72) is rotatably connected to the surface of the supporting block (71), a sliding plate (73) is rotatably connected to the surface of the rotating plate (72), and an extension plate (74) is fixedly connected to the bottom of the sliding plate (73).

4. A liquid crystal display stand facilitating angle adjustment according to claim 3, wherein: the bottom of the supporting block (71) is fixedly connected with the top of the supporting plate (1), the surface of the sliding plate (73) is in sliding connection with the inner wall of the supporting plate (1), and the surface of the extension plate (74) is in sliding connection with the inner wall of the supporting plate (1).

5. A liquid crystal display stand for facilitating angle adjustment according to claim 2, wherein: clearance mechanism (8) are including gasbag (81), the inner wall of gasbag (81) and the surface of ejector pad (82) contact each other, one side fixedly connected with hob (83) of gasbag (81) are kept away from in ejector pad (82), the surperficial swing joint of hob (83) has sleeve (84), the front end fixedly connected with slider (85) of sleeve (84), the front portion of slider (85) and the rear portion of stopper (87) contact each other, the surface difference fixedly connected with limiting plate (88) and picture peg (89) of stopper (87), gas pocket (86) are seted up to the inside of fixed block (4).

6. The LCD stand of claim 5, wherein the angle of the LCD stand is adjustable by: the surface of slider (85) and stopper (87) all with the inner wall sliding connection of fixed block (4), the surface of picture peg (89) and the inner wall sliding connection of card strip (5), the helicla flute has been seted up on the surface of hob (83), the inner wall fixedly connected with fixture block of sleeve (84), and the fixture block is arranged in the helicla flute, the spring has been cup jointed on the surface of sleeve (84).

7. The LCD stand of claim 5, wherein the angle of the LCD stand is adjustable by: the inner wall fixedly connected with guide pillar (853) of slider (85), the surperficial sliding connection of guide pillar (853) has magnetic sheet (854), the equal fixedly connected with push rod (855) in top and the bottom of magnetic sheet (854), the one end fixedly connected with baffle of magnetic sheet (854) is kept away from in push rod (855), the front end fixedly connected with of hob (83) has a plurality of elastic rod (851), is provided with magnet (852) between a plurality of elastic rod (851).

8. The LCD stand of claim 7, wherein the angle of the LCD stand is adjustable by: one end of the elastic rod (851), which is far away from the spiral rod (83), is fixedly connected with a rectangular plate, the rectangular plate is in sliding connection with the inner wall of the sliding block (85), the magnet (852) is in a sphere shape, the baffle plates are positioned at the top and the bottom of the sliding block (85), and the magnet (852) and the magnetic plate (854) attract each other.