阅读说明：本技术 一种具有卡接弹出结构的无框液晶电视 (Frameless liquid crystal television with clamping pop-up structure ) 是由 柯永洲 陈升渠 毛江山 郭美敏 周先胜 徐习超 于 2021-09-15 设计创作，主要内容包括：本发明涉及无框液晶电视技术领域,且公开了一种具有卡接弹出结构的无框液晶电视,包括背板,所述背板的上表面内部开设有容纳槽。该具有卡接弹出结构的无框液晶电视,通过弹出结构一和卡接结构的设置,通过按动液晶显示屏,使液晶显示屏底部连接的固定杆向容纳槽的内壁底部移动,使滑动块挤压中气囊,使中气囊内部的气体通过连接管进入大气囊的内部,然后气体通过大气囊进入小气囊的内部,小气囊膨胀,对滑动板进行挤压,使滑动板向下移动,让第一固定块的右端脱离弧形卡块的左侧内部,同时弧形卡块会通过固定弹簧的弹力脱离矩形槽和活动孔的内部,然后将液晶显示屏和电源板从背板内部的容纳槽取出,实现了便于对液晶显示屏和电源板卡接弹出的作用。(The invention relates to the technical field of frameless liquid crystal televisions and discloses a frameless liquid crystal television with a clamping ejection structure. This frameless liquid crystal display TV with joint pop-up structure, through the setting of pop-up structure one and joint structure, through pressing liquid crystal display, the dead lever that makes liquid crystal display bottom connect removes to the inner wall bottom of holding tank, make gasbag in the sliding block extrusion, make the inside of gasbag big gasbag of gaseous passing through connecting pipe entering of gasbag in the messenger, then gaseous inside through big gasbag entering little gasbag, little gasbag inflation, extrude the sliding plate, make the sliding plate remove downwards, let the right-hand member of first fixed block break away from inside the left side of arc fixture block, the arc fixture block can break away from the inside of rectangular channel and activity hole through fixing spring's elasticity simultaneously, then take out liquid crystal display and power strip from the inside holding tank of backplate, the effect of being convenient for pop-up liquid crystal display and power strip joint has been realized.)

1. The utility model provides a frameless liquid crystal TV with joint pop-up structure, includes backplate (1), its characterized in that: the liquid crystal display comprises a back plate (1), wherein an accommodating groove (2) is formed in the inner part of the upper surface of the back plate (1), a liquid crystal display (3) is movably mounted in the back plate (1) close to the accommodating groove (2), a middle plate (4) is fixedly connected to one side of the liquid crystal display (3), a movable structure (5) is arranged in the accommodating groove (2), a fixed spring (6) is fixedly connected to the bottom of the inner wall of the accommodating groove (2), a first pop-up structure (7) is arranged in the back plate (1), and a clamping structure (8) is arranged in the back plate (1) close to the lower part of the first pop-up structure (7);

the movable structure (5) comprises a power supply board (51), the outer wall of the power supply board (51) is movably connected inside the accommodating groove (2), a groove (52) is formed in the outer wall of the front side of the power supply board (51), a first magnetic part (53) is fixedly connected to the top of the power supply board (51), a compression spring (54) is sleeved on the outer wall of the first magnetic part (53), and a second magnetic part (55) is movably connected to the top of the compression spring (54).

2. The frameless liquid crystal television with the clamping ejection structure as claimed in claim 1, wherein: pop-up structure one (7) is including fixed section of thick bamboo (71), the bottom fixed connection of fixed section of thick bamboo (71) is in the inner wall bottom of holding tank (2), the inside sliding connection of fixed section of thick bamboo (71) has sliding block (72), the inside fixed connection in bottom of sliding block (72) has magnetic part three (73), the top fixedly connected with dead lever (74) of sliding block (72), the solid fixed ring (75) of outer wall fixedly connected with of dead lever (74), the inside swing joint of fixed section of thick bamboo (71) has well gasbag (76), the inner wall bottom fixed connection of well gasbag (76) has magnetic part four (77), the bottom of well gasbag (76) is provided with auxiliary structure (78).

3. The frameless liquid crystal television with the clamping ejection structure as claimed in claim 2, wherein: auxiliary structure (78) include cavity (781), the inside at backplate (1) is seted up to cavity (781), the inside swing joint of cavity (781) has big gasbag (782), first connecting hole (783) have been seted up near the top of cavity (781) to the inside of backplate (1), the inside swing joint of first connecting hole (783) has connecting pipe (784), second connecting hole (785) have been seted up near the bottom of cavity (781) to the inside of backplate (1), the inside swing joint of second connecting hole (785) has outlet duct (786), the bottom mounting intercommunication of outlet duct (786) has ballonet (787), rectangular chamber (788) have been seted up near the bottom of second connecting hole (785) to the bottom of cavity (781).

4. The frameless liquid crystal television with the clamping ejection structure as claimed in claim 3, wherein: clamping structure (8) include rectangular channel (81), the left end that is close to rectangular cavity (788) is seted up in the inside of backplate (1) in rectangular channel (81), the first spring (82) of inner wall bottom fixedly connected with of rectangular channel (81), the top fixedly connected with movable block (83) of first spring (82), arc wall (84) have been seted up to the left side outer wall of movable block (83), the outer wall fixed connection of arc wall (84) has magnetic part five (85), the top fixedly connected with sliding plate (86) of movable block (83), one side of rectangular channel (81) is provided with pop-up structure two (87), the top of rectangular channel (81) is provided with bearing structure (88).

5. The frameless liquid crystal television with the clamping ejection structure as claimed in claim 4, wherein: pop-up structure two (87) is including holding chamber (871), hold the inside of seting up at backplate (1) in chamber (871), movable groove (872) have been seted up near the left side of rectangular channel (81) in the top of holding chamber (871), the inner wall left side fixedly connected with second spring (873) of movable groove (872), the inside swing joint that holds chamber (871) has arc pole (874), the first fixed block (875) of top right side fixedly connected with of arc pole (874), the bottom right side fixedly connected with second fixed block (876) of arc pole (874), movable groove two (877) have been seted up on the inner wall bottom right side of holding chamber (871), the right-hand member fixed connection of second fixed block (876) has magnetic part six (878), the inner wall left side fixedly connected with third spring (879) of movable groove two (877).

6. The frameless liquid crystal television with the clamping ejection structure as claimed in claim 5, wherein: bearing structure (88) are including activity hole (881), the top that is close to rectangular channel (81) is seted up in the inside of backplate (1) in activity hole (881), the inside swing joint of activity hole (881) has bracing piece (882), the bottom fixedly connected with arc fixture block (883) of bracing piece (882), the bottom fixedly connected with of arc fixture block (883) connects ball (884).

7. The frameless liquid crystal television with the clamping ejection structure as claimed in claim 6, wherein: the inner part of the groove (52) is movably connected with a fixing rod (74), the bottom of the compression spring (54) is fixedly connected to the top of the power panel (51), the bottom of the sliding block (72) is movably connected with a middle air bag (76), and the top of the fixing spring (6) is movably connected to the bottom of the power panel (51).

8. The frameless liquid crystal television with the clamping ejection structure as claimed in claim 7, wherein: the top end of the connecting pipe (784) is fixedly communicated with a middle air bag (76), the bottom end of the connecting pipe (784) is fixedly communicated with a large air bag (782), the outer wall of the air outlet pipe (786) is movably connected inside the rectangular cavity (788), and the top of the supporting rod (882) is fixedly connected to the bottom of the power panel (51).

9. The frameless liquid crystal television with the clamping ejection structure as claimed in claim 8, wherein: the bottom swing joint of little gasbag (787) has sliding plate (86), the top swing joint of little gasbag (787) has connecting ball (884), first fixed block (875) swing joint is at the inner wall right-hand member of activity groove one (872), the top fixed connection of dead lever (74) is in the bottom of liquid crystal display (3).

10. The frameless lcd tv with the clip ejecting structure as claimed in claim 9, wherein: the right-hand member fixed connection of second spring (873) is in the top left side of arc pole (874), the outer wall swing joint of second fixed block (876) is in the inside of activity groove two (877), the right-hand member swing joint of third spring (879) is on the left of the bottom of arc pole (874), the right-hand member swing joint of first fixed block (875) is in the left side of arc fixture block (883).

Technical Field

The invention relates to the technical field of frameless liquid crystal televisions, in particular to a frameless liquid crystal television with a clamping ejection structure.

Background

The borderless liquid crystal television is characterized in that a face frame does not exist to press the liquid crystal screen, and the liquid crystal screen is completely displayed in front of a user, so that the product is higher in grade and simpler. The back plate used for supporting the weight of the whole liquid crystal television is a key component of the whole liquid crystal television, in the prior art, a metal back plate is generally adopted as the back plate of the liquid crystal television, the existing liquid crystal television is very troublesome when clamping and popping are needed, and the liquid crystal television is inconvenient to maintain when being impacted, so that a frameless liquid crystal television with a clamping and popping structure is provided for solving the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a frameless liquid crystal television with a clamping ejection structure, which has the advantages of being convenient for clamping ejection of a liquid crystal display screen and a power panel and maintenance, and solves the problems that the liquid crystal display screen and the power panel are inconvenient to clamp ejection and maintenance.

The technical scheme adopted by the invention for solving the technical problems is as follows: a frameless liquid crystal television with a clamping ejection structure comprises a back plate, wherein a containing groove is formed in the inner portion of the upper surface of the back plate, a liquid crystal display is movably mounted in the back plate close to the containing groove, a middle plate is fixedly connected to one side of the liquid crystal display, a movable structure is arranged in the containing groove, a fixed spring is fixedly connected to the bottom of the inner wall of the containing groove, a first ejection structure is arranged in the back plate, and a clamping structure is arranged below the inner portion of the back plate close to the first ejection structure;

the movable structure comprises a power supply board, the outer wall of the power supply board is movably connected inside the accommodating groove, a groove is formed in the outer wall of the front side of the power supply board, a first magnetic part is fixedly connected to the top of the power supply board, a compression spring is sleeved on the outer wall of the first magnetic part, and a second magnetic part is movably connected to the top of the compression spring.

Further, pop-up structure one includes a fixed section of thick bamboo, the bottom fixed connection of a fixed section of thick bamboo is in the inner wall bottom of holding tank, the inside sliding connection of a fixed section of thick bamboo has the sliding block, the inside fixedly connected with magnetic part three in bottom of sliding block, the top fixedly connected with dead lever of sliding block, the solid fixed ring of outer wall fixedly connected with of dead lever, the inside swing joint of a fixed section of thick bamboo has well gasbag, the inner wall bottom fixed connection of well gasbag has magnetic part four, the bottom of well gasbag is provided with auxiliary structure.

Further, the auxiliary structure includes the cavity, the inside at the backplate is seted up to the cavity, the inside swing joint of cavity has big gasbag, the inside of backplate is close to the top of cavity and has seted up first connecting hole, the inside swing joint of first connecting hole has the connecting pipe, the inside of backplate is close to the bottom of cavity and has seted up the second connecting hole, the inside swing joint of second connecting hole has the outlet duct, the bottom mounting intercommunication of outlet duct has little gasbag, the bottom of cavity is close to the bottom of second connecting hole and has seted up the rectangle chamber.

Further, the joint structure includes the rectangular channel, the rectangular channel is seted up in the inside of backplate and is close to the left end in rectangular cavity, the first spring of inner wall bottom fixedly connected with of rectangular channel, the top fixedly connected with movable block of first spring, the arc wall has been seted up to the left side outer wall of movable block, the outer wall fixedly connected with magnetic part of arc wall is five, the top fixedly connected with sliding plate of movable block, one side of rectangular channel is provided with pop-up structure two, the top of rectangular channel is provided with bearing structure.

Further, pop-up structure two is including holding the chamber, hold the chamber and set up the inside at the backplate, the top that holds the chamber is close to the left side of rectangular channel and has seted up flexible groove one, the inner wall left side fixedly connected with second spring of flexible groove one, the inside swing joint who holds the chamber has the arc pole, the first fixed block of top right side fixedly connected with of arc pole, the bottom right side fixedly connected with second fixed block of arc pole, the inner wall bottom right side that holds the chamber has seted up flexible groove two, the right-hand member fixedly connected with of second fixed block has magnetic part six, the inner wall left side fixedly connected with third spring of flexible groove two.

Further, bearing structure includes the activity hole, the top that is close to the rectangular channel in the inside of backplate is seted up to the activity hole, the inside swing joint in activity hole has the bracing piece, the bottom fixedly connected with arc fixture block of bracing piece, the bottom fixedly connected with of arc fixture block connects the ball.

Furthermore, the inside swing joint of recess has the dead lever, compression spring's bottom fixed connection is at the top of power strip, the bottom swing joint of sliding block has well gasbag, fixed spring's top swing joint is in the bottom of power strip.

Furthermore, the top end of the connecting pipe is fixedly communicated with a middle air bag, the bottom end of the connecting pipe is fixedly communicated with a large air bag, the outer wall of the air outlet pipe is movably connected inside the rectangular cavity, and the top of the supporting rod is fixedly connected to the bottom of the power panel.

Furthermore, the bottom of the small air bag is movably connected with a sliding plate, the top of the small air bag is movably connected with a connecting ball, the first fixing block is movably connected to the right end of the inner wall of the first movable groove, and the top of the fixing rod is fixedly connected to the bottom of the liquid crystal display screen.

Further, the right-hand member fixed connection of second spring is in the top left side of arc pole, the outer wall swing joint of second fixed block is in the inside of activity groove two, the right-hand member swing joint of third spring is in the bottom left side of arc pole, the right-hand member swing joint of first fixed block is in the left side of arc fixture block.

The invention has the beneficial effects that:

1. this frameless liquid crystal display TV with joint pop-up structure, through the setting of pop-up structure one and joint structure, through pressing liquid crystal display, the dead lever that makes liquid crystal display bottom connect removes to the inner wall bottom of holding tank, make gasbag in the sliding block extrusion, make the inside of gasbag big gasbag of gaseous passing through connecting pipe entering of gasbag in the messenger, then gaseous inside through big gasbag entering little gasbag, little gasbag inflation, extrude the sliding plate, make the sliding plate remove downwards, let the right-hand member of first fixed block break away from inside the left side of arc fixture block, the arc fixture block can break away from the inside of rectangular channel and activity hole through fixing spring's elasticity simultaneously, then take out liquid crystal display and power strip from the inside holding tank of backplate, the effect of being convenient for pop-up liquid crystal display and power strip joint has been realized.

2. According to the frameless liquid crystal television with the clamping ejection structure, the compression spring, the magnetic piece I, the magnetic piece II, the middle air bag, the magnetic piece IV, the magnetic piece III and the fixing spring are arranged, so that the liquid crystal display screen and the power panel are fixed conveniently, meanwhile, the maintenance function is also achieved, and the liquid crystal display screen and elements inside the power panel are prevented from being damaged when the liquid crystal television is collided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

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

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

FIG. 3 is an enlarged view of the structure of FIG. 2;

FIG. 4 is an enlarged view of the structure of FIG. 2 at B in accordance with the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 2 at C.

Description of reference numerals: 1. a back plate; 2. accommodating grooves; 3. a liquid crystal display screen; 4. a middle plate; 5. a movable structure; 51. a power panel; 52. a groove; 53. a first magnetic part; 54. a compression spring; 55. a second magnetic part; 6. fixing the spring; 7. a first pop-up structure; 71. a fixed cylinder; 72. a slider; 73. a magnetic part III; 74. fixing the rod; 75. a fixing ring; 76. a middle air bag; 77. a magnetic part IV; 78. an auxiliary structure; 781. a cavity; 782. a large air bag; 783. a first connection hole; 784. a connecting pipe; 785. a second connection hole; 786. an air outlet pipe; 787. a small air bag; 788. a rectangular cavity; 8. a clamping structure; 81. a rectangular groove; 82. a first spring; 83. a movable block; 84. an arc-shaped slot; 85. a fifth magnetic element; 86. a sliding plate; 87. a second pop-up structure; 871. an accommodating chamber; 872. a first movable groove; 873. a second spring; 874. an arcuate bar; 875. a first fixed block; 876. a second fixed block; 877. a second movable groove; 878. a magnetic member six; 879. a third spring; 88. a support structure; 881. a movable hole; 882. a support bar; 883. an arc-shaped fixture block; 884. and connecting the ball.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, a frameless liquid crystal television with a clamping ejection structure comprises a back plate 1, wherein an accommodating groove 2 is formed in the inner portion of the upper surface of the back plate 1, a liquid crystal display 3 is movably mounted in the back plate 1 close to the accommodating groove 2, a middle plate 4 is fixedly connected to one side of the liquid crystal display 3, a movable structure 5 is arranged in the accommodating groove 2, a fixed spring 6 is fixedly connected to the bottom of the inner wall of the accommodating groove 2, a first ejection structure 7 is arranged in the back plate 1, and a clamping structure 8 is arranged below the inner portion of the back plate 1 close to the first ejection structure 7;

the movable structure 5 comprises a power supply board 51, the outer wall of the power supply board 51 is movably connected inside the accommodating groove 2, the outer wall of the front side of the power supply board 51 is provided with a groove 52, the top of the power supply board 51 is fixedly connected with a first magnetic part 53, the outer wall of the first magnetic part 53 is sleeved with a compression spring 54, and the top of the compression spring 54 is movably connected with a second magnetic part 55.

Pop-up structure 7 includes a fixed section of thick bamboo 71, the bottom fixed connection of a fixed section of thick bamboo 71 is in the inner wall bottom of holding tank 2, the inside sliding connection of a fixed section of thick bamboo 71 has a sliding block 72, the inside fixedly connected with magnetic part three 73 in bottom of sliding block 72, the top fixedly connected with dead lever 74 of sliding block 72, the solid fixed ring 75 of outer wall fixedly connected with of dead lever 74, the inside swing joint of a fixed section of thick bamboo 71 has well gasbag 76, the inner wall bottom fixed connection of well gasbag 76 has magnetic part four 77, the bottom of well gasbag 76 is provided with auxiliary structure 78.

The auxiliary structure 78 comprises a cavity 781, the cavity 781 is arranged inside the backboard 1, the cavity 781 is movably connected with a large air bag 782, the top of the cavity 781, close to the inside of the backboard 1, is provided with a first connecting hole 783, the inside of the first connecting hole 783 is movably connected with a connecting pipe 784, the bottom of the cavity 781, close to the inside of the backboard 1, is provided with a second connecting hole 785, the inside of the second connecting hole 785 is movably connected with an air outlet pipe 786, the bottom end of the air outlet pipe 786 is fixedly communicated with a small air bag 787, the bottom of the cavity 781, close to the bottom end of the second connecting hole 785, is provided with a rectangular cavity 788, the fixing effect on the liquid crystal display screen 3 and the power panel 51 is realized through the arrangement of a compression spring 54, a first magnetic part 53, a second magnetic part 55, a middle air bag 76, a fourth magnetic part 77, a third magnetic part 73 and a fixing spring 6, meanwhile, the maintenance effect is also played, and when the liquid crystal display television is prevented from being collided, the elements inside the liquid crystal display panel 3 and the power supply board 51 are damaged.

Clamping structure 8 includes rectangular channel 81, rectangular channel 81 sets up the left end that is close to rectangular cavity 788 in the inside of backplate 1, the first spring 82 of inner wall bottom fixedly connected with of rectangular channel 81, the top fixedly connected with movable block 83 of first spring 82, arc wall 84 has been seted up to the left side outer wall of movable block 83, the outer wall fixedly connected with magnetism part five 85 of arc wall 84, the top fixedly connected with sliding plate 86 of movable block 83, one side of rectangular channel 81 is provided with pop-up structure two 87, the top of rectangular channel 81 is provided with bearing structure 88.

Pop-up structure two 87 is including holding chamber 871, hold the inside that chamber 871 was seted up at backplate 1, movable groove 872 has been seted up near the left side of rectangular channel 81 at the top that holds chamber 871, the inner wall left side fixedly connected with second spring 873 of movable groove 872, the inside swing joint that holds chamber 871 has arc pole 874, the first fixed block 875 of top right side fixedly connected with of arc pole 874, the bottom right side fixedly connected with second fixed block 876 of arc pole 874, the inner wall bottom right side that holds chamber 871 has seted up movable groove two 877, the right-hand member fixedly connected with of second fixed block 876 has magnetic part six 878, the inner wall left side fixedly connected with third spring 879 of movable groove two 877.

The supporting structure 88 includes a movable hole 881, the movable hole 881 is opened inside the back plate 1 near the top of the rectangular groove 81, the inside of the movable hole 881 is movably connected with a supporting rod 882, the bottom of the supporting rod 882 is fixedly connected with an arc-shaped fixture 883, the bottom of the arc-shaped fixture 883 is fixedly connected with a connecting ball 884, by setting up a pop-up structure 7 and a clamping structure 8, by pressing the liquid crystal display 3, the fixing rod 74 connected at the bottom of the liquid crystal display 3 moves towards the bottom of the inner wall of the accommodating groove 2, so that the sliding block 72 extrudes the middle air bag 76, the gas inside the middle air bag 76 enters the inside of the big air bag 782 through the connecting pipe 784, then the gas enters the inside of the small air bag 787 through the big air bag 782, the small air bag 787 expands, the sliding plate 86 is extruded, the sliding plate 86 moves downwards, the right end of the first fixing block 875 is separated from the inside of the left side of the arc-shaped fixture 883, and simultaneously the arc-shaped fixture 883 can be separated from the inside of the rectangular groove 81 and the movable hole 881 through the elasticity of the fixing spring 6, then take out liquid crystal display 3 and power strip 51 from the inside holding tank 2 of backplate 1, realized being convenient for to the effect that pops out of liquid crystal display 3 and power strip 51 joint.

The fixing rod 74 is movably connected inside the groove 52, the bottom of the compression spring 54 is fixedly connected to the top of the power panel 51, the middle air bag 76 is movably connected to the bottom of the sliding block 72, and the top of the fixing spring 6 is movably connected to the bottom of the power panel 51.

The top end of the connecting pipe 784 is fixedly communicated with the middle air bag 76, the bottom end of the connecting pipe 784 is fixedly communicated with the large air bag 782, the outer wall of the air outlet pipe 786 is movably connected inside the rectangular cavity 788, and the top of the supporting rod 882 is fixedly connected to the bottom of the power panel 51.

The bottom of the small air bag 787 is movably connected with a sliding plate 86, the top of the small air bag 787 is movably connected with a connecting ball 884, a first fixing block 875 is movably connected to the right end of the inner wall of the first movable groove 872, and the top of the fixing rod 74 is fixedly connected to the bottom of the liquid crystal display screen 3.

The right end of the second spring 873 is fixedly connected to the left side of the top end of the arc-shaped rod 874, the outer wall of the second fixing block 876 is movably connected to the inside of the second movable groove 877, the right end of the third spring 879 is movably connected to the left side of the bottom end of the arc-shaped rod 874, and the right end of the first fixing block 875 is movably connected to the left side of the arc-shaped fixture block 883.

When in use, by pushing the liquid crystal display 3, the fixing rod 74 connected to the bottom of the liquid crystal display 3 also moves towards the bottom of the inner wall of the accommodating groove 2 along with the liquid crystal display 3, the sliding block 72 connected to the bottom of the fixing rod 74 presses the middle airbag 76 downwards, so that the gas in the middle airbag 76 enters the inside of the big airbag 782 through the connecting pipe 784, when the excess gas enters the inside of the big airbag 782 again, the big airbag 782 conveys the gas into the inside of the small airbag 787 through the outlet pipe 786, so that the small airbag 787 expands more and more, and presses the sliding plate 86 while expanding, so that the sliding plate 86 moves downwards, when the sliding plate 86 moves downwards, the third spring 879 opens to push the second fixing block 876 towards the inside of the arc-shaped groove 84, when the second fixing block 876 moves towards the inside of the arc-shaped groove 84, the top end of the arc-shaped rod 874 moves towards the left side of the inner wall of the movable groove 872, when the right end of the first fixing block 875 is separated from the left side of the arc-shaped block 883, the arc-shaped block 883 can be ejected through the movable hole 881, and when the second fixing block 876 moves towards the inside of the arc-shaped groove 84 when the arc-shaped block 883 is ejected, when the magnetic member six 878 gets closer to the magnetic member five 85, the magnetic member five 85 and the magnetic member six 878 have opposite polarities, so that the magnetic member six 878 moves towards the left side of the inner wall of the movable groove two 877, the magnetic member five 85 also moves upwards, the top end of the arc-shaped rod 874 can drive the first fixing block 975 to the right side of the movable groove one 872 to extrude the small air bag 787, so that the gas in the small air bag 787 enters the inside of the large air bag 782 through the air outlet pipe 786, when the middle air bag 76 is extruded to a certain degree, the magnetic member two 55 gets closer to the first magnetic member 53, the magnetic member one 53 and the second magnetic member 55 have opposite polarities, so that the magnetic member two 55 move upwards, at this time, the magnetic member three 73 is closer to the magnetic member four 77, the magnetic member four 77 and the magnetic member three 73 have the same polarity, and the magnetic member 73 moves upward, and the gas entering from the large air bag 782 through the small air bag 787 enters the middle air bag 76 through the connecting pipe 784, so that the liquid crystal display screen 3 and the power panel 51 are conveniently detached and maintained, and the operation is simple and the use is convenient.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.