Magnetodynamic flip dynamic wall

Abstract

The application relates to the technical field of mechanical equipment, in particular to a magnetic dynamic wall, which comprises a frame, a circuit board fixedly arranged in the frame, a decorative sheet arranged on the circuit board, a rotating shaft arranged at one end of the decorative sheet, a shaft connecting frame arranged on the circuit board, an electromagnetic coil arranged on the circuit board, a magnet arranged on the back of the decorative sheet, a buffer connecting assembly arranged between the back of the decorative sheet and the circuit board, and a swing control assembly arranged between the circuit board and the buffer connecting assembly. The electromagnetic coil is powered and matched with the magnet, the decorative sheet is driven to swing, the swing amplitude of the decorative sheet is controlled according to the current size of the electromagnetic coil, the swing impact force of the decorative sheet is buffered through the effect of the buffer connecting assembly and the swing control assembly during the swing process of the decorative sheet, the swing amplitude of the decorative sheet is accurately positioned, the display effect is improved, and the service life of the decorative sheet is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mechanical equipment, in particular to a magnetic dynamic wall. BACKGROUND

[0002] At present, various LED display screens can be seen everywhere, which are used to display various information such as text, images, videos, etc. The display effect is achieved by swinging the decorative pieces through electromagnetic control, and the swing combination of several decorative pieces. However, the swing amplitude of the current decorative pieces cannot be accurately adjusted, which affects the display effect. Moreover, the surface of the decorative pieces will be damaged after long-term swinging, which also affects the display effect.

[0003] The current disclosed Chinese patent CN202010954180.2 is an electromagnetic force driven display screen, which includes a rear cover, an outer cover arranged at the front end of the rear cover, a sealing strip arranged between the outer cover and the rear cover, first heat dissipation holes respectively arranged on the two opposite sides of the outer cover, a transparent cover connected with the outer cover, a turnover driving mechanism arranged in the outer cover, a fixing member connecting the turnover driving mechanism and the inner wall of the outer cover in a stepped manner, and a connecting member arranged between the outer cover and the transparent cover. A square slot is arranged on the upper surface of the outer cover, and the connecting member is a hollow square ring.

[0004] According to the above-mentioned patent, the display screen drives the turnover piece to turn over by making the electromagnet pass through positive and negative current, repelling the electromagnet and strong magnet with the same polarity, and pushing the turnover piece to turn over with the repulsive force. Compared with the traditional LED display screen, the display screen can display effective pattern identification without being affected by environmental light. It is not dazzling in the sunlight, has good reflection effect at night, and the content displayed by the display screen is full, has stereoscopic effect and good texture. However, the turning angle of the turnover piece of the patent cannot be accurately adjusted, which cannot better present the display effect. Moreover, with the continuous turning of the turnover piece, the surface of the turnover piece will be worn out due to the collision with the contact position, which will also affect the display effect. Therefore, there is a need for a dynamic wall that can adjust the turning angle of the turnover piece and ensure that the turnover piece is not damaged. SUMMARY

[0005] In view of the problems existing in the prior art, the present application provides a magnetic dynamic wall. According to the principle of repulsion between different magnetic poles and attraction between the same magnetic poles, the decorative piece is driven to swing by the cooperation of the electromagnetic coil and the magnet. The swing amplitude of the decorative piece is controlled by controlling the current of the electromagnetic coil. During the swinging process of the decorative piece, the swing amplitude of the decorative piece is accurately positioned and the swing impact force of the decorative piece is buffered by the effect of the buffer connecting assembly and the swing control assembly, which improves the display effect and the service life of the decorative piece.

[0006] In order to solve the prior art problems, the application provides a magnetic dynamic wall, which comprises a frame, a circuit board fixedly arranged in the frame, a decorative sheet arranged on the circuit board, a rotating shaft arranged at one end of the decorative sheet, a shaft connecting frame arranged on the circuit board and used for rotationally connecting the rotating shaft, an electromagnet arranged on the circuit board, a magnet arranged on the back of the decorative sheet and corresponding to the electromagnet, a buffer connecting assembly arranged between the back of the decorative sheet and the circuit board and used for buffering the overturning of the decorative sheet, and a swing control assembly arranged between the circuit board and the buffer connecting assembly and used for stabilizing the swing amplitude of the decorative sheet.

[0007] Preferably, the buffer connecting assembly is provided with a guide rod, a sliding block is slidably arranged on the guide rod, one end of the guide rod is fixedly connected with the lower end of the circuit board, the lower end of the circuit board is provided with a fixed part for fixing the end of the guide rod, the other end of the guide rod extends towards the direction of the rotating shaft, the extending end of the guide rod is provided with an end block with a diameter larger than that of the guide rod, a first buffer spring is fixedly connected between the sliding block and the fixed part and is sleeved on the guide rod, a second buffer spring is fixedly connected between the sliding block and the end block and is sleeved on the guide rod, and a first pull rope is further arranged between the back of the decorative sheet and the sliding block.

[0008] Preferably, the swing control assembly is provided with a fixed column, the fixed column is fixedly arranged at the lower end of the circuit board and close to the side edge thereof, a rotating ring sleeve is rotationally sleeved on the fixed column, a second pull rope is arranged between the rotating ring sleeve and the sliding block, an electromagnet ring is further fixedly arranged on the rotating ring sleeve and is sleeved on the electromagnet ring, and the fixed column is a hollow structure with an open lower end, when the electromagnet ring is electrified, the rotating ring sleeve is in a state of being attracted by the electromagnet ring.

[0009] Preferably, the outward end of the rotating ring sleeve is provided with an end ring with a diameter larger than that of the rotating ring sleeve, and a torsional spring is fixedly connected between the end ring and the fixed column and is sleeved on the electromagnet ring.

[0010] Preferably, the back of the decorative sheet extends outwardly and is provided with a bottom sheet flush with the back of the decorative sheet, a gap is left between the bottom sheet and the decorative sheet, a strip-shaped opening is arranged on the bottom sheet along the extending direction thereof, a connecting piece is slidably arranged in the strip-shaped opening, and the end of the first pull rope is fixed to the connecting piece.

[0011] Preferably, the connecting piece is provided with a movable block, the movable block is slidably clamped in the strip-shaped opening of the bottom sheet, and the movable block is provided with a rope winding rod for fixing the end of the first pull rope.

[0012] Preferably, the end of the movable block between the bottom sheet and the decorative sheet is symmetrically provided with a first shaft rod and a second shaft rod, the surfaces of the first shaft rod and the second shaft rod are in contact with the inner surfaces of the decorative sheet and the bottom sheet, and the surface of the rope winding rod is in contact with the outer surface of the bottom sheet.

[0013] Preferably, the two ends of the winding rod are sleeved with anti-off discs in contact with the end of the movable block, and the two ends of the winding rod are also threadedly connected with nuts for fixing the anti-off discs.

[0014] Preferably, the sliding block is provided with a connecting part for fixing the end of the first pull rope, and the end block of the guide rod is provided with a guide hole for the first pull rope to pass through, and the axis direction of the first pull rope is parallel to the axis direction of the guide rod.

[0015] Preferably, the front surface of the circuit board is fixedly provided with a lamp bead, and the lamp bead is in a bright state when the decorative sheet swings.

[0016] The beneficial effects of the present application compared with the prior art are:

[0017] 1. The present application drives the decorative sheet to swing through the cooperation of the energized electromagnetic coil and the magnet according to the principle that opposite poles attract and same poles repel, and controls the swing amplitude of the decorative sheet according to the current size of the electromagnetic coil. During the swing process of the decorative sheet, the swing impact force of the decorative sheet is buffered, and the swing amplitude of the decorative sheet is accurately positioned through the effects of the buffer connecting assembly and the swing control assembly, the swing amplitude control of the decorative sheet is realized, the display effect is improved, and the service life of the decorative sheet is improved.

[0018] 2. The present application avoids the wear of the surface of the decorative sheet and the circuit board through the buffering effect of the first buffer spring and the second buffer spring during the swing process of the decorative sheet, realizes the protection of the decorative sheet, improves the service life of the decorative sheet, and improves the presentation effect of the display picture.

[0019] 3. The present application drives the second pull rope to move through the process that the sliding block slides on the guide rod under the pull of the first pull rope during the swing of the decorative sheet, thereby driving the rotating ring to rotate on the fixed column. With the energization of the electromagnetic ring, the rotating ring is attracted, and the position of the sliding block on the guide rod is fixed, the positioning of the swing amplitude of the decorative sheet is realized, and the stability of the swing of the decorative sheet is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic view of a magnetic dynamic flip-over dynamic wall.

[0021] Figure 2 It is a front view of a magnetic dynamic flip-over dynamic wall.

[0022] Figure 3 It is a partial three-dimensional structure schematic view of a magnetic dynamic flip-over dynamic wall. Figure 1 .

[0023] Figure 4 It is a partial three-dimensional structure schematic view of a magnetic dynamic flip-over dynamic wall. Figure 2 .

[0024] Figure 5 is a partial perspective view of a magnetic dynamic flip dynamic wall Figure 3 .

[0025] Figure 6 is a sectional view of a partial perspective view of a magnetic dynamic flip dynamic wall.

[0026] Figure 7 is a perspective sectional view of a partial perspective view of a magnetic dynamic flip dynamic wall.

[0027] Figure 8 is a perspective view of a circuit board and buffer connecting assembly and swing control assembly of a magnetic dynamic flip dynamic wall.

[0028] Figure 9 is a left view of a circuit board and buffer connecting assembly and swing control assembly of a magnetic dynamic flip dynamic wall.

[0029] Figure 10 is a partial perspective sectional view of a circuit board and buffer connecting assembly and swing control assembly of a magnetic dynamic flip dynamic wall.

[0030] Figure 11 is an enlarged view of A of 10.

[0031] Reference numerals in the figure are:

[0032] 1 - frame; 2 - circuit board; 21 - electromagnetic coil; 211 - magnet; 3 - decorative sheet; 31 - bottom sheet; 311 - bar-shaped port; 32 - lamp bead; 4 - shaft connecting frame; 41 - rotating shaft; 5 - buffer connecting assembly; 51 - guide rod; 511 - fixed part; 512 - end block; 513 - connecting part; 52 - sliding block; 521 - first buffer spring; 522 - second buffer spring; 53 - first pull rope; 54 - connecting piece; 541 - movable block; 5411 - first shaft rod; 5412 - second shaft rod; 542 - winding rope rod; 5421 - anti-falling disc; 5422 - nut; 6 - swing control assembly; 61 - fixed column; 611 - electromagnetic ring; 62 - rotating ring sleeve; 621 - end ring; 63 - second pull rope; 64 - torsional spring. DETAILED DESCRIPTION

[0033] In order to further understand the features, technical means and specific purposes and functions of the present application, the present application will be described in further detail below in conjunction with the drawings and specific embodiments.

[0034] Reference Figures 1-10As shown, a kind of magnetic dynamic flip dynamic wall, including frame 1, fixedly arranged with circuit board 2 in frame 1, circuit board 2 is provided with decorative sheet 3, one end of decorative sheet 3 is equipped with rotating shaft 41, and rotating shaft 41 is rotatably connected with the shaft connecting frame 4 arranged on circuit board 2, and circuit board 2 is provided with electromagnetic coil 21, the back of decorative sheet 3 is provided with magnet 211 corresponding to electromagnetic coil 21, and the back of decorative sheet 3 and circuit board 2 are connected to be equipped with buffer connecting assembly 5 for the buffering effect of the flip of decorative sheet 3, and the swing amplitude control assembly 6 for stabilizing the swing amplitude of decorative sheet 3 is also connected with buffer connecting assembly 5 on circuit board 2.

[0035] The circuit board 2 in frame 1 is evenly distributed with several, and the decorative sheet 3 on each circuit board 2 is controlled separately, the magnetic field is generated by the start of electromagnetic coil 21, the cooperation between electromagnetic coil 21 and magnet 211 uses the principle that opposite poles attract and like poles repel, so that the preceding decorative sheet 3 can swing regularly, decorative sheet 3 swings through rotating shaft 41 under the rotatable connection of shaft connecting frame 4, and the swing amplitude of decorative sheet 3 is controlled by controlling the current size of electromagnetic coil 21, and in order to avoid the surface of decorative sheet 3 from being worn due to collision with circuit board 2 when decorative sheet 3 swings, therefore, the decorative sheet 3 is buffered when swinging by the setting of buffer connecting assembly 5 between decorative sheet 3 and circuit board 2, the impact force of decorative sheet 3 swinging is slowed down, and the service life of decorative sheet 3 is improved, and in order to better control the swing amplitude of decorative sheet 3 within the specified swing amplitude, the swing amplitude of decorative sheet 3 is limited by swing amplitude control assembly 6, so that the swing amplitude of decorative sheet 3 is controlled, and the effect of the whole display picture is better.

[0036] Referring to Figures 3-10 As shown, buffer connecting assembly 5 is provided with guide rod 51, sliding block 52 is slidably arranged on guide rod 51, one end of guide rod 51 is fixedly connected with the lower end of circuit board 2, the lower end of circuit board 2 has fixed part 511 for fixing the end of guide rod 51, the other end of guide rod 51 extends towards the direction of rotating shaft 41, the extension end of guide rod 51 has end block 512 with a diameter larger than that of guide rod 51, first buffer spring 521 is fixedly connected between sliding block 52 and fixed part 511 and sleeved on guide rod 51, second buffer spring 522 is fixedly connected between sliding block 52 and end block 512 and sleeved on guide rod 51, and first pull rope 53 is further connected between the back of decorative sheet 3 and sliding block 52.

[0037] When the decorative sheet 3 swings, the decorative sheet 3 pulls the sliding block 52 to slide on the guide rod 51 through the first pull rope 53, when the decorative sheet 3 swings outward, the sliding block 52 slides on the guide rod 51 towards the direction of the rotating shaft 41, at this time, the first buffer spring 521 changes from the normal state to the stretched state, and the second buffer spring 522 changes from the normal state to the compressed state, until the decorative sheet 3 swings to the position, the second buffer spring 522 buffers the swing of the decorative sheet 3, avoiding the wear of the surface of the decorative sheet 3 and the circuit board 2, when the electromagnetic coil 21 reduces the current or stops energizing, the first buffer spring 521 gradually returns to the normal state, driving the sliding block 52 to slide back on the guide rod 51, thereby pulling the decorative sheet 3 to swing back through the first pull rope 53, the decorative sheet 3 swings back and is buffered under the action of the first buffer spring 521, until the decorative sheet 3 and the circuit board 2 are in the parallel state, the second buffer spring 522 returns to the normal state.

[0038] Referring to Figures 3-11 As shown in the figure, the swing range control assembly 6 is provided with a fixed column 61 fixedly arranged at the lower end of the circuit board 2 and close to the side edge thereof, a rotating ring sleeve 62 is rotatably arranged on the fixed column 61, a second pull rope 63 is connected between the rotating ring sleeve 62 and the sliding block 52, and an electromagnetic ring 611 is further fixedly arranged on the fixed column 61 and sleeved on the rotating ring sleeve 62, the fixed column 61 is a hollow structure with an open lower end, and the rotating ring sleeve 62 is in the state of being attracted by the electromagnetic ring 611 when the electromagnetic ring 611 is energized.

[0039] When the decorative sheet 3 swings, the swing range of the decorative sheet 3 is controlled by controlling the repulsive force between the electromagnetic coil 21 and the magnet 211 through controlling the current, in order to stabilize the swing range of the decorative sheet 3, when the sliding block 52 slides on the guide rod 51 driven by the swing of the decorative sheet 3, the sliding of the sliding block 52 pulls the rotating ring sleeve 62 through the second pull rope 63, the rotating ring sleeve 62 rotates on the fixed column 61, until the decorative sheet 3 swings to the position, in order to position the decorative sheet 3 in the state of the swing range, the electromagnetic ring 611 is energized, the rotating ring sleeve 62 has magnetism and is attracted by the electromagnetic ring 611, the rotating ring sleeve 62 is fixed, the second pull rope 63 is in the state of being pulled tight, and the decorative sheet 3 is in the state of being stably swung at the specified swing range, avoiding the shaking due to the unstable current of the electromagnetic coil 21.

[0040] Referring to Figures 6-11 As shown in the figure, the outward end of the rotating ring sleeve 62 has an end ring 621 with a diameter greater than the outer diameter of the rotating ring sleeve 62, and a torsion spring 64 is fixedly connected between the end ring 621 and the fixed column 61 and sleeved on the electromagnetic ring 611.

[0041] When the rotating ring 62 rotates on the fixed column 61, the torsion spring 64 changes from the normal state to the torsion state, and as the decorative sheet 3 gradually tends to be horizontal with the circuit board 2, the torsion spring 64 gradually returns to the normal state, so that the rotating ring 62 rotates back, effectively ensuring the slider 52 to reset.

[0042] Referring to Figures 6-10 As shown, the back of the decorative sheet 3 extends outwardly and is provided with a bottom sheet 31 flush with the back of the decorative sheet 3, and a gap is left between the bottom sheet 31 and the decorative sheet 3. The bottom sheet 31 is provided with a strip-shaped opening 311 along the extending direction thereof, and the connecting piece 54 is slidably arranged in the strip-shaped opening 311, and the end of the first pull rope 53 is fixed with the connecting piece 54.

[0043] When the decorative sheet 3 swings, the strip-shaped opening 311 on the bottom sheet 31 is provided with the connecting piece 54 connected with the first pull rope 53, so that when the decorative sheet 3 pulls the first pull rope 53, the connecting piece 54 will move in the strip-shaped opening 311, keeping the first pull rope 53 in a horizontal state with the circuit board 2, avoiding the situation that the first pull rope 53 cannot effectively drive the slider 52 to slide due to the inclination of the first pull rope 53 caused by the pulling of the decorative sheet 3, resulting in insufficient pulling force of the first pull rope 53 and poor buffering effect of the first buffering spring 521 and the second buffering spring 522.

[0044] Referring to Figures 6-10 As shown, the connecting piece 54 is provided with a movable block 541 slidably connected in the strip-shaped opening 311 of the bottom sheet 31, and the movable block 541 is provided with a rope winding rod 542 for fixing the end of the first pull rope 53.

[0045] When the movable block 541 slides in the strip-shaped opening 311 of the bottom sheet 31 along with the swinging of the decorative sheet 3, and the first pull rope 53 is connected with the rope winding rod 542, the rope winding rod 542 is in a state of moving along the edge direction of the shaft connecting frame 4, so as to keep the first pull rope 53 in a horizontal pulling state.

[0046] Referring to Figures 6-10 As shown, the end of the movable block 541 between the bottom sheet 31 and the decorative sheet 3 is symmetrically provided with a first shaft rod 5411 and a second shaft rod 5412, the surfaces of the first shaft rod 5411 and the second shaft rod 5412 are in contact with the inner surfaces of the decorative sheet 3 and the bottom sheet 31, and the surface of the rope winding rod 542 is in contact with the outer surface of the bottom sheet 31.

[0047] When the movable block 541 is stable in the sliding state on the bottom plate 31, the movable block 541 is clamped between the first shaft rod 5411 and the second shaft rod 5412 and the winding rod 542 through the connection of the first shaft rod 5411 and the second shaft rod 5412 on the movable block 541 and the connection of the winding rod 542 on the movable block 541, the stability of the movable block 541 is maintained, and the first shaft rod 5411 and the second shaft rod 5412 are connected on the movable block 541 in a threaded manner, so that the movable block 541 is convenient to disassemble from the bottom plate 31, and the maintenance and replacement are facilitated.

[0048] Referring to Figures 6-10 As shown, the two ends of the winding rod 542 are sleeved with anti-off discs 5421 in contact with the end of the movable block 541, and the two ends of the winding rod 542 are also threadedly connected with nuts 5422 for fixing the anti-off discs 5421.

[0049] When the first pull rope 53 is disassembled, since the two ends of the winding rod 542 are provided with the nuts 5422, after the nuts 5422 are disassembled, the two anti-off discs 5421 are disassembled, and the winding rod 542 can be taken out from the movable block 541, the first pull rope 53 is taken off from the winding rod 542 and replaced, and the swinging of the decorative sheet 3 keeps the stable pulling of the sliding block 52.

[0050] Referring to Figures 6-10 As shown, the sliding block 52 has a connecting portion 513 for fixing the end of the first pull rope 53, and the end block 512 of the guide rod 51 is provided with a guide opening for the first pull rope 53 to pass through, and the axis direction of the first pull rope 53 is parallel to the axis direction of the guide rod 51.

[0051] When the first pull rope 53 is pulled with the winding rod 542, since the first pull rope 53 passes through the guide opening on the end block 512, the horizontal pulling state of the first pull rope 53 relative to the circuit board 2 is effectively maintained.

[0052] Referring to Figures 3-10 As shown, the front surface of the circuit board 2 is fixedly provided with a lamp bead 32, and when the decorative sheet 3 swings, the lamp bead 32 is in a bright state.

[0053] When the decorative sheet 3 swings, the lamp bead 32 will brighten and extinguish following the swinging of the decorative sheet 3, so that a better display effect is achieved.

[0054] The present application drives the decorative sheet 3 to swing through the cooperation of the energization of the electromagnetic coil 21 and the magnet 211 according to the principle that the opposite poles attract and the same poles repel, and controls the swing amplitude of the decorative sheet 3 according to the current size of the electromagnetic coil 21, and through the effect of the buffer connecting assembly 5 and the swing control assembly 6 in the swing process of the decorative sheet 3, the swing impact force of the decorative sheet 3 is buffered, the swing amplitude of the decorative sheet 3 is accurately positioned, the display effect is improved, and the service life of the decorative sheet 3 is improved.

[0055] The above embodiments only express one or several embodiments of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A magnetic dynamic flip dynamic wall, comprising a frame (1), a circuit board (2) is fixedly arranged in the frame (1), a decorative sheet (3) is arranged on the circuit board (2), one end of the decorative sheet (3) is provided with a rotating shaft (41), and an axle connecting frame (4) for rotating connection of the rotating shaft (41) is arranged on the circuit board (2), characterized in that, The circuit board (2) is provided with an electromagnetic coil (21), the back of the decorative sheet (3) is provided with a magnet (211) corresponding to the electromagnetic coil (21), a buffer connecting assembly (5) for buffering the turnover of the decorative sheet (3) is connected between the back of the decorative sheet (3) and the circuit board (2), and a swing control assembly (6) for stabilizing the swing amplitude of the decorative sheet (3) is further connected between the circuit board (2) and the buffer connecting assembly (5). The buffer connecting assembly (5) is provided with a guide rod (51), a sliding block (52) is slidably arranged on the guide rod (51), one end of the guide rod (51) is fixedly connected to the lower end of the circuit board (2), the lower end of the circuit board (2) has a fixed portion (511) for fixing the end of the guide rod (51), the other end of the guide rod (51) extends towards the direction of the rotating shaft (41), the extending end of the guide rod (51) has an end block (512) with a diameter larger than that of the guide rod (51), a first buffer spring (521) is fixedly connected between the sliding block (52) and the fixed portion (511) and is sleeved on the guide rod (51), a second buffer spring (522) is fixedly connected between the sliding block (52) and the end block (512) and is sleeved on the guide rod (51), and a first pull rope (53) is further connected between the back of the decorative sheet (3) and the sliding block (52). The swing control assembly (6) is provided with a fixed column (61) fixedly arranged at the lower end of the circuit board (2) and close to the side edge thereof, a rotating ring sleeve (62) is rotatably sleeved on the fixed column (61), a second pull rope (63) is connected between the rotating ring sleeve (62) and the sliding block (52), an electromagnetic ring (611) is further fixedly arranged on the rotating ring sleeve (62) and is sleeved thereon, and the fixed column (61) is a hollow structure with an open lower end, when the electromagnetic ring (611) is energized, the rotating ring sleeve (62) is in a state of being attracted by the electromagnetic ring (611).

2. A magnetically actuated flip wall as claimed in claim 1, wherein, The outward end of the rotating ring sleeve (62) has an end ring (621) with a diameter larger than that of the rotating ring sleeve (62), and a torsional spring (64) is fixedly connected between the end ring (621) and the fixed column (61) and is sleeved on the electromagnetic ring (611).

3. The magnetically actuated flip dynamic wall of claim 1, wherein, The back of the decorative sheet (3) extends outwardly and is provided with a bottom sheet (31) flush with the back of the decorative sheet (3), a gap is left between the bottom sheet (31) and the decorative sheet (3), a strip-shaped opening (311) is formed in the bottom sheet (31) along the extension direction thereof, a connecting piece (54) is slidably arranged in the strip-shaped opening (311), and the end of the first pull rope (53) is fixed to the connecting piece (54).

4. A magnetically actuated flip wall as claimed in claim 3, wherein, The connecting piece (54) is provided with a movable block (541) slidably connected in the strip-shaped opening (311) of the bottom sheet (31), and the movable block (541) is provided with a rope winding rod (542) for fixing the end of the first pull rope (53).

5. A magnetically actuated flip wall as claimed in claim 4, wherein, The end of the movable block (541) between the base sheet (31) and the decorative sheet (3) is symmetrically provided with a first shaft rod (5411) and a second shaft rod (5412), the surfaces of the first shaft rod (5411) and the second shaft rod (5412) are in contact with the inner surfaces of the decorative sheet (3) and the base sheet (31), and the surface of the rope rod (542) is in contact with the outer surface of the base sheet (31).

6. A magnetically actuated flip wall as claimed in claim 5, wherein, The two ends of the rope rod (542) are sleeved with anti-disengagement discs (5421) in contact with the ends of the movable block (541), and the two ends of the rope rod (542) are also threadedly connected with nuts (5422) for fixing the anti-disengagement discs (5421).

7. The magnetically actuated flip dynamic wall of claim 1, wherein, The slider (52) is provided with a connecting portion (513) for fixing the end of the first pull rope (53), and the end block (512) of the guide rod (51) is provided with a guide opening through which the first pull rope (53) passes, and the axis direction of the first pull rope (53) is parallel to the axis direction of the guide rod (51).

8. The magnetically actuated flip dynamic wall of claim 1, wherein, The front surface of the circuit board (2) is fixedly provided with a lamp bead (32), and when the decorative sheet (3) swings, the lamp bead (32) is in a light-on state.

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