Multifunctional extensible television screen trolley

Abstract

The invention relates to the field of television screen trolleys, and discloses a multifunctional expandable television screen trolley which comprises a television screen, connecting columns are symmetrically and fixedly connected to one side of the television screen, mounting columns are connected to the interiors of the connecting columns, grooves are formed in the mounting columns, and reset springs are symmetrically and fixedly connected to the inner walls of the grooves. A second connecting plate is fixedly connected to the opposite sides of the reset springs, third rotating shafts are symmetrically and fixedly connected to one side of the second connecting plate, limiting blocks are rotationally connected to the sides, away from the second connecting plate, of the third rotating shafts through bearings, and grooves are symmetrically formed in the connecting column. An operator rotates limiting blocks to drive the limiting blocks to get close to each other, then a connecting column is connected with a mounting column, the operator loosens a hand wheel, and through resetting of a reset spring, a second connecting plate can be driven to rotate, so that the limiting blocks can be driven to get away from each other and be clamped with grooves symmetrically formed in the connecting column.

Description

Technical Field

[0001] The present invention relates to the technical field of television screen trolleys, and in particular to a multifunctional expandable television screen trolley. Background Art

[0002] With the continuous development of society, the use of electronic products is increasing. When using electronic products, corresponding display devices are needed. The TV screen can be connected to the computer host, and it has strong diversity in use. Nowadays, there are many kinds of such TV screens on the market, which can basically meet people's needs. In order to meet the convenience of using TV screens, a TV screen trolley is often required.

[0003] The TV screen trolley is a device used to move and position the TV screen, especially for large conferences, exhibitions or activities. However, it still has certain problems. When installing the TV screen on the traditional multifunctional expandable TV screen trolley, it is often necessary to use bolts or other fasteners to fix it, and the corresponding tools are required. It cannot be easily disassembled and assembled, which is time-consuming and labor-intensive. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a multifunctional expandable TV screen trolley, which solves the problem that corresponding tools need to be used when installing the TV screen and it cannot be easily disassembled and assembled.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a multifunctional expandable TV screen trolley, including a TV screen, one side of the TV screen is symmetrically fixedly connected with a connecting column, the interior of the connecting column is connected with a mounting column, a groove is arranged inside the mounting column, the inner wall of the groove is symmetrically fixedly connected with a reset spring, a second connecting plate is fixedly connected to the side opposite to the reset spring, one side of the second connecting plate is symmetrically fixedly connected with a third rotating shaft, the side of the third rotating shaft away from the second connecting plate is rotatably connected to a limited block through a bearing, the interior of the connecting column is symmetrically provided with a groove, one end of the limit block penetrates one side of the mounting column and is stuck in the groove of the connecting column, the limit block matches the groove symmetrically arranged inside the connecting column, the other side of the second connecting plate is fixedly connected with a connecting shaft, one end of the connecting shaft penetrates one side of the mounting column and is fixedly connected with a hand wheel, the bottom of the mounting column is fixedly connected with a first connecting plate, the bottom of the first connecting plate is provided with a second slide groove, the interior of the second slide groove is symmetrically slidably connected with a second slider, the bottom of the second slider is fixedly connected with a first connecting structure, and the bottom of the first connecting structure is rotatably connected with a telescopic frame.

[0006] Preferably, the first connecting structure includes a third mounting plate, wherein the number of the third mounting plates is two and they are symmetrically fixedly connected to the bottom of the second slider, a second rotating shaft is fixedly connected to the opposite side of the third mounting plate, a middle part of the second rotating shaft is rotatably connected to the top of the telescopic frame through a bearing, and the bottom of the telescopic frame is rotatably connected to the second connecting structure.

[0007] Preferably, the second connecting structure includes a first slider, the number of the first slider is two, the top of the first slider is symmetrically fixedly connected to a second mounting plate, the opposite side of the second mounting plate is fixedly connected to a first rotating shaft, and the middle part of the first rotating shaft is rotatably connected to the bottom of the telescopic frame through a bearing.

[0008] Preferably, a bidirectional screw rod is threadedly connected to the middle part of the telescopic frame, one end of the bidirectional screw rod is rotatably connected to the first mounting plate through a bearing, a first slide groove is provided on the top of the first mounting plate, the bidirectional screw rod is symmetrically slidably connected in the first slide groove, one side of the first mounting plate is fixedly connected to the motor, the other end of the bidirectional screw rod passes through one side of the first mounting plate and is fixedly connected to the output end of the motor, and the bottom of the first mounting plate is fixedly connected to a fixing plate.

[0009] Preferably, the outer side of the fixing plate is fixedly connected to a box body, the top of the fixing plate is symmetrically provided with speakers, and the fixing plate is located in the middle of the inner wall of the box body.

[0010] Preferably, a handle is symmetrically fixedly connected to the outer side of the box, ventilation holes are evenly and symmetrically arranged on the outer side of the box, a door is symmetrically arranged on one side of the box, a door handle is fixedly connected to the side of the door away from the box, a cooling fan is arranged on the other side of the box, and a control panel is arranged on one side of the box.

[0011] Preferably, a battery is provided at the bottom of the inner wall of the box, a host is provided on the top of the battery, a network connection device is provided on the top of the battery, a charging connector is provided on one side of the battery, the charging connector passes through one side of the box and is located on the outside of the box, and the host and the network connection device are located below the fixed plate.

[0012] Preferably, the battery is electrically connected to the control panel, cooling fan, host, network connection device, motor, TV screen, and audio system. The bottom of the box is fixedly connected to a base, and universal wheels are evenly arranged on the bottom of the base.

[0013] Working principle: During installation, the operator rotates the limit block, thereby driving the connecting shaft to rotate, thereby driving the second connecting plate to rotate, thereby driving the third rotating shaft to be displaced, thereby driving the limit blocks to approach each other, so that one end of the limit block is in the same horizontal line with the left and right sides of the mounting column, and then lift the TV screen so that the two connecting columns on its rear side are matched and connected with the mounting column, and then by loosening the hand wheel and resetting the reset spring, the second connecting plate can be driven to rotate, thereby driving the third rotating shaft to be displaced, thereby driving the limit blocks to move away from each other and engage with the grooves symmetrically arranged inside the connecting column, thereby completing rapid installation. During disassembly, the operator rotates the limit block, thereby driving the second rotating shaft to rotate, thereby driving the second connecting plate to rotate, thereby driving the third rotating shaft to be displaced, thereby driving the limit blocks to approach each other, so that one end of the limit block is in the same horizontal line with the left and right sides of the mounting column, and then lift the TV screen so that The two connecting columns on the rear side are far away from the mounting columns, so that quick disassembly can be achieved. The battery provides corresponding power supply for the TV screen, control panel, audio, cooling fan, host, network connection equipment, and motor. The operation of each device is controlled by the control panel. The operation of the cooling fan allows the air inside the box to dissipate heat to the outside through the air vents. The box door is convenient for operators to maintain the interior of the box. The operator pulls the handle to drive the universal wheel to move, thereby driving the trolley to move according to needs. The operation of the motor drives the bidirectional screw rod to rotate, thereby driving the two first sliders to approach or move away from each other through the first slide groove, thereby driving the telescopic frame to rise or fall through the second mounting plate and the first rotating shaft, thereby driving the second slider to approach or move away from each other through the second slide groove through the third mounting plate and the second rotating shaft, thereby driving the first connecting plate to rise or fall, thereby driving the TV screen to adjust its height according to corresponding needs.

[0014] The present invention provides a multifunctional expandable TV screen trolley. It has the following beneficial effects:

[0015] 1. The present invention allows an operator to rotate the limit block to drive the second connecting plate to rotate, thereby driving the limit blocks to approach each other, so that one end of the limit block is in the same horizontal line with the left and right sides of the mounting column, and then connected to the mounting column through the connecting column. The operator releases the hand wheel, and the second connecting plate can be driven to rotate through the reset spring, thereby driving the limit blocks to move away from each other and engage with the grooves symmetrically arranged inside the connecting column, thereby solving the problem that corresponding tools need to be used when installing the TV screen and convenient disassembly and assembly cannot be performed.

[0016] 2. The present invention can drive the bidirectional screw to rotate through the operation of the motor, thereby driving the two first sliding blocks to approach or move away from each other through the first sliding groove, thereby driving the telescopic frame to be raised or lowered through the second mounting plate and the first rotating shaft, thereby driving the second sliding blocks to approach or move away from each other through the second sliding groove through the third mounting plate and the second rotating shaft, thereby driving the first connecting plate to be raised or lowered, thereby driving the TV screen to adjust its height according to corresponding needs, thereby increasing the practicality of the trolley.

[0017] 3. The present invention provides corresponding power supply for the TV screen, control panel, audio, cooling fan, host, network connection equipment, and motor through the battery, controls the operation of each device through the control panel, and the operation of the cooling fan allows the air inside the box to dissipate heat to the outside through the air vents. The box door allows the operator to maintain the interior of the box conveniently. The operator can pull the handle to drive the universal wheel to move, thereby driving the trolley to move according to needs, thereby increasing the convenience and practicality of the trolley. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural stereogram of the present invention;

[0019] Figure 2 It is a schematic diagram of the installation column of the present invention;

[0020] Figure 3 It is a schematic diagram of the interior of the box of the present invention;

[0021] Figure 4 A schematic diagram of a motor according to the present invention;

[0022] Figure 5 is a schematic diagram of a first connecting plate of the present invention;

[0023] Figure 6 It is a schematic diagram of the interior of the mounting column of the present invention;

[0024] Figure 7 It is a schematic diagram of the limit block of the present invention;

[0025] Figure 8 It is a schematic diagram of the connecting column of the present invention.

[0026] Among them, 1. box body; 2. box door; 3. box door handle; 4. base; 5. universal wheel; 6. TV screen; 7. control panel; 8. ventilation hole; 9. charging connector; 10. handle; 11. speaker; 12. telescopic frame; 13. cooling fan; 14. connecting column; 15. first connecting plate; 16. mounting column; 17. hand wheel; 18. host; 19. network connection device; 20. battery; 21. fixing plate; 22. first slider; 23. first mounting plate; 24. two-way screw rod; 25. motor; 26. second mounting plate; 27. first rotating shaft; 28. first slide slot; 29. ​​limit block; 30. third mounting plate; 31. second slide slot; 32. second slider; 33. second rotating shaft; 34. connecting shaft; 35. third rotating shaft; 36. reset spring; 37. second connecting plate. DETAILED DESCRIPTION

[0027] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Example:

[0029] Please see attached Figure 1 -Attached Figure 8 The embodiment of the present invention provides a multifunctional expandable TV screen trolley, including a TV screen 6, a connecting column 14 is symmetrically fixedly connected to one side of the TV screen 6, a mounting column 16 is connected to the inside of the connecting column 14, a groove is arranged inside the mounting column 16, a reset spring 36 is symmetrically fixedly connected to the inner wall of the groove, a second connecting plate 37 is fixedly connected to the opposite side of the reset spring 36, a third rotating shaft 35 is symmetrically fixedly connected to one side of the second connecting plate 37, a side of the third rotating shaft 35 away from the second connecting plate 37 is rotatably connected to a limiting block 29 through a bearing, a groove is symmetrically arranged inside the connecting column 14, one side of the limiting block 29 The end passes through one side of the mounting column 16 and is stuck in the groove of the connecting column 14. The limit block 29 matches the groove symmetrically arranged inside the connecting column 14. The other side of the second connecting plate 37 is fixedly connected with a connecting shaft 34. One end of the connecting shaft 34 passes through one side of the mounting column 16 and is fixedly connected with a handwheel 17. The bottom of the mounting column 16 is fixedly connected with the first connecting plate 15. The bottom of the first connecting plate 15 is provided with a second slide groove 31. The inside of the second slide groove 31 is symmetrically slidably connected with a second slider 32. The bottom of the second slider 32 is fixedly connected with the first connecting structure. The bottom of the first connecting structure is rotatably connected with the telescopic frame 12.

[0030] Specifically, the operator rotates the limit block 29, thereby driving the connecting shaft 34 to rotate, thereby driving the second connecting plate 37 to rotate, thereby driving the third rotating shaft 35 to move, so that the limit blocks 29 can be driven to approach each other, so that one end of the limit block 29 can be in the same horizontal line with the left and right sides of the mounting column 16, and then connected to the mounting column 16 through the two connecting columns 14 on the rear side of the TV screen 6, and then the operator releases the hand wheel 17, and the reset spring 36 can be reset to drive the second connecting plate 37 to rotate, thereby driving the third rotating shaft 35 to move. The telescopic frame 12 is raised or lowered, and the two first connecting structures on the top thereof can drive the second slider 32 to move away from or approach each other through the second slide groove 31, thereby driving the first connecting plate 15 to be raised or lowered, thereby driving the mounting column 16 to be raised or lowered, thereby driving the TV screen 6 to be raised or lowered.

[0031] Please see attached Figure 3 -Attached Figure 5 The first connection structure includes a third mounting plate 30, the number of which is two and symmetrically fixedly connected to the bottom of the second slider 32, the second rotating shaft 33 is fixedly connected to the opposite side of the third mounting plate 30, the middle part of the second rotating shaft 33 is rotatably connected to the top of the telescopic frame 12 through a bearing, and the bottom of the telescopic frame 12 is rotatably connected to the second connection structure; the second connection structure includes a first slider 22, the number of which is two, the top of the first slider 22 is symmetrically fixedly connected to the second mounting plate 26, and the opposite side of the second mounting plate 26 is fixedly connected to the first rotating shaft 2 7, the middle part of the first rotating shaft 27 is rotatably connected to the bottom of the telescopic frame 12 through a bearing; the middle part of the telescopic frame 12 is threadedly connected with a bidirectional screw rod 24, one end of the bidirectional screw rod 24 is rotatably connected to the first mounting plate 23 through a bearing, a first slide groove 28 is provided on the top of the first mounting plate 23, the bidirectional screw rod 24 is symmetrically slidably connected in the first slide groove 28, one side of the first mounting plate 23 is fixedly connected to a motor 25, the other end of the bidirectional screw rod 24 passes through one side of the first mounting plate 23 and is fixedly connected to the output end of the motor 25, and the bottom of the first mounting plate 23 is fixedly connected to a fixing plate 21.

[0032] Specifically, through the operation of the motor 25, the bidirectional screw rod 24 can be driven to rotate, thereby driving the two first sliders 22 to approach or move away from each other through the first slide groove 28, thereby driving the telescopic frame 12 to be raised or lowered through the second mounting plate 26 and the first rotating shaft 27, thereby driving the second slider 32 to approach or move away from each other through the second slide groove 31 through the third mounting plate 30 and the second rotating shaft 33, thereby driving the first connecting plate 15 to be raised or lowered, thereby driving the TV screen 6 to adjust its height according to corresponding needs, thereby increasing the practicality of the trolley.

[0033] Please see attached Figure 1 -Attached Figure 3 The outer side of the fixing plate 21 is fixedly connected with the box body 1, and the top of the fixing plate 21 is symmetrically provided with the speaker 11, and the fixing plate 21 is located in the middle of the inner wall of the box body 1; the outer side of the box body 1 is symmetrically fixedly connected with the handle 10, and the outer side of the box body 1 is evenly and symmetrically provided with the air vents 8, and one side of the box body 1 is symmetrically provided with a box door 2, and the side of the box door 2 away from the box body 1 is fixedly connected with the box door handle 3, and the other side of the box body 1 is provided with a cooling fan 13, and one side of the box body 1 is provided with a control panel 7; the bottom of the inner wall of the box body 1 is provided with a battery 20, and the battery A host 18 is arranged on the top of the battery 20, a network connection device 19 is arranged on the top of the battery 20, a charging connector 9 is arranged on one side of the battery 20, the charging connector 9 passes through one side of the box 1 and is located on the outside of the box 1, the host 18 and the network connection device 19 are located below the fixing plate 21; the battery 20 is electrically connected to the control panel 7, the cooling fan 13, the host 18, the network connection device 19, the motor 25, the TV screen 6, and the audio 11, the bottom of the box 1 is fixedly connected to the base 4, and the bottom of the base 4 is evenly provided with universal wheels 5.

[0034] Specifically, a through hole is provided in the middle of the fixing plate 21, and this through hole is used to limit each circuit to a certain extent so that it is located inside the trolley. The through hole is not shown in the figure. The battery 20 provides corresponding power supply for the TV screen 6, the control panel 7, the audio 11, the cooling fan 13, the host 18, the network connection device 19, and the motor 25. The operation of each device is controlled by the control panel 7. Through the operation of the cooling fan 13, the air inside the box 1 is dissipated to the outside through the air vent 8. The box door 2 is convenient for the operator to maintain the inside of the box 1. By the operator pulling the handle 10, the universal wheel 5 can be driven to move, so that the trolley can be driven to move according to needs, thereby increasing the convenience and practicality of the trolley.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional expandable TV screen trolley, comprising a TV screen (6), characterized in that: A connecting column (14) is symmetrically fixedly connected to one side of the television screen (6), a mounting column (16) is connected inside the connecting column (14), a groove is provided inside the mounting column (16), a reset spring (36) is symmetrically fixedly connected to the inner wall of the groove, a second connecting plate (37) is fixedly connected to the opposite side of the reset spring (36), a third rotating shaft (35) is symmetrically fixedly connected to one side of the second connecting plate (37), a side of the third rotating shaft (35) away from the second connecting plate (37) is rotatably connected to a limiting block (29) through a bearing, a groove is symmetrically provided inside the connecting column (14), one end of the limiting block (29) passes through a card and a side of the mounting column (16). In the groove of the connecting column (14), the limit block (29) matches the groove symmetrically arranged inside the connecting column (14); the other side of the second connecting plate (37) is fixedly connected to a connecting shaft (34); one end of the connecting shaft (34) passes through one side of the mounting column (16) and is fixedly connected to a hand wheel (17); the bottom of the mounting column (16) is fixedly connected to a first connecting plate (15); a second slide groove (31) is arranged at the bottom of the first connecting plate (15); a second slider (32) is symmetrically slidably connected inside the second slide groove (31); the bottom of the second slider (32) is fixedly connected to a first connecting structure; the bottom of the first connecting structure is rotatably connected to a telescopic frame (12).

2. The multifunctional expandable TV screen trolley according to claim 1 is characterized in that: The first connection structure comprises a third mounting plate (30), wherein the number of the third mounting plates (30) is two and they are symmetrically fixedly connected to the bottom of the second sliding block (32), a second rotating shaft (33) is fixedly connected to the opposite side of the third mounting plate (30), a middle part of the second rotating shaft (33) is rotatably connected to the top of the telescopic frame (12) via a bearing, and the bottom of the telescopic frame (12) is rotatably connected to the second connection structure.

3. The multifunctional expandable TV screen trolley according to claim 2 is characterized in that: The second connection structure comprises a first sliding block (22), the number of the first sliding blocks (22) is two, the top of the first sliding block (22) is symmetrically fixedly connected to a second mounting plate (26), the opposite side of the second mounting plate (26) is fixedly connected to a first rotating shaft (27), and the middle part of the first rotating shaft (27) is rotatably connected to the bottom of the telescopic frame (12) via a bearing.

4. The multifunctional expandable TV screen trolley according to claim 3 is characterized in that: A bidirectional screw rod (24) is threadedly connected to the middle part of the telescopic frame (12); one end of the bidirectional screw rod (24) is rotatably connected to the first mounting plate (23) via a bearing; a first slide groove (28) is provided on the top of the first mounting plate (23); the bidirectional screw rod (24) is symmetrically slidably connected in the first slide groove (28); a motor (25) is fixedly connected to one side of the first mounting plate (23); the other end of the bidirectional screw rod (24) passes through one side of the first mounting plate (23) and is fixedly connected to the output end of the motor (25); and a fixing plate (21) is fixedly connected to the bottom of the first mounting plate (23).

5. The multifunctional expandable TV screen trolley according to claim 4 is characterized in that: The outer side of the fixing plate (21) is fixedly connected to the box body (1), the top of the fixing plate (21) is symmetrically provided with a speaker (11), and the fixing plate (21) is located in the middle of the inner wall of the box body (1).

6. The multifunctional expandable TV screen trolley according to claim 5 is characterized in that: A handle (10) is symmetrically fixedly connected to the outer side of the box (1), air holes (8) are evenly and symmetrically arranged on the outer side of the box (1), a box door (2) is symmetrically arranged on one side of the box (1), a box door handle (3) is fixedly connected to the side of the box door (2) away from the box (1), a cooling fan (13) is arranged on the other side of the box (1), and a control panel (7) is arranged on one side of the box (1).

7. The multifunctional expandable TV screen trolley according to claim 6 is characterized in that: A battery (20) is arranged at the bottom of the inner wall of the box (1), a host (18) is arranged on the top of the battery (20), a network connection device (19) is arranged on the top of the battery (20), a charging connector (9) is arranged on one side of the battery (20), the charging connector (9) passes through one side of the box (1) and is located on the outside of the box (1), and the host (18) and the network connection device (19) are located below a fixing plate (21).

8. The multifunctional expandable TV screen trolley according to claim 7 is characterized in that: The battery (20) is electrically connected to the control panel (7), the cooling fan (13), the host (18), the network connection device (19), the motor (25), the television screen (6), and the audio system (11); the bottom of the box (1) is fixedly connected to a base (4); and universal wheels (5) are evenly arranged at the bottom of the base (4).

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