CN220506351U - Supporting device with high rigidity - Google Patents

Abstract

The present utility model provides a support device with high rigidity. A support device having high rigidity comprising: the device comprises a C-shaped bracket body, a first screen fixing assembly, a second screen fixing assembly, a keyboard and mouse fixing assembly, a first rotating piece and a second rotating piece; the upper end of C type support body rotates about through first rotating member and sets up in the upper end of main frame to and the lower extreme of C type support body that corresponds with the upper end rotates about through the second rotating member and sets up the lower extreme at main frame, and the vertical end of C type support body is from last fixed first screen fixed subassembly, second screen fixed subassembly and the fixed subassembly of keyboard mouse of being provided with down in proper order. The supporting device with high rigidity provided by the utility model solves the defects that the supporting frame in the prior art can only fix one screen, has no placement space for a keyboard and a mouse, cannot be adjusted in height, is difficult to match with different models or devices, and does not accord with ergonomic specifications.

Description

Supporting device with high rigidity

Technical Field

The utility model relates to the technical field of semiconductor production equipment, in particular to a supporting device with high rigidity.

Background

An Equipment Front End Module (EFEM) refers to a wafer front end transmission system for transmitting single wafers to a process and detection module through a precision manipulator under a high clean environment. The EFEM belongs to semiconductor production equipment, so that a support frame is needed and is applied to a man-machine interface of the production equipment, but the existing support frame consists of a fixing plate and a connecting rod screen assembly block, two points on the fixing plate are locked on an equipment rack, the connecting rod is connected with the fixing plate and the screen assembly block, the function of swinging left and right is achieved through connection of the connecting rod and a hinge, and the screen fixing plate at the other end is used for assembling a screen, so that the existing support frame has the following defects.

1. The existing support frame can only fix one screen, and has no space for placing a keyboard and a mouse;

2. the height of the existing support frame cannot be adjusted, and is difficult to match with different models or devices, and the existing support frame does not accord with ergonomic specifications;

3. the fixing mode of the fixing piece ensures that the whole rigidity is weak, the supporting surface bears extremely large moment, and the cantilever beam body and the supporting position thereof are easy to deform or be damaged.

Disclosure of Invention

In order to solve the above problems, the present utility model provides a supporting device with high rigidity, so as to solve the defects that the supporting frame in the prior art can only fix one screen, has no placement space for a keyboard and a mouse, cannot adjust the height, is difficult to match with different models or devices, does not conform to the ergonomic specifications and the fixing mode of a fixing sheet, and has weak overall rigidity, the supporting surface bears extremely large moment, and the cantilever body and the supporting position thereof are easily deformed or damaged.

According to a first aspect of the present utility model, there is provided a support device having high rigidity for fixing to a main frame, the main frame being placed on the ground, comprising: the device comprises a C-shaped bracket body, a first screen fixing assembly, a second screen fixing assembly, a keyboard and mouse fixing assembly, a first rotating piece and a second rotating piece;

the upper end of C type support body rotates about through first rotating member and sets up the upper end at the main frame to and the lower extreme of C type support body that corresponds with the upper end rotates about through the second rotating member and sets up the lower extreme at the main frame, and the vertical end of C type support body is fixed from last fixed first screen fixed subassembly, second screen fixed subassembly and the fixed subassembly of keyboard mouse of being provided with down in proper order, and the fixed subassembly of first screen, second screen fixed subassembly and keyboard mouse are all relative the vertical end of C type support body and slide from top to bottom and rotate about.

Optionally, the C-shaped bracket body includes an upper bracket rod, a lower bracket rod and a vertical bracket rod;

the one end vertical fixation of upper end cradling piece sets up the upper end tip at vertical cradling piece, the other end of upper end cradling piece rotates about through first rotating piece and sets up the upper end at the main frame, the one end vertical fixation of lower extreme cradling piece sets up the lower extreme tip at vertical cradling piece, the other end of lower extreme cradling piece rotates about through the second rotating piece and sets up the lower extreme at the main frame, vertical cradling piece is from last fixed first screen fixed subassembly that is provided with down in proper order, second screen fixed subassembly and keyboard mouse fixed subassembly, and first screen fixed subassembly, second screen fixed subassembly and keyboard mouse fixed subassembly are all relative vertical cradling piece slide from top to bottom and control and rotate.

Optionally, the first rotating member and the second rotating member have the same structure;

the first rotating piece comprises a first fixed block, a first hinge and a plurality of screws;

the first fixing block is fixedly arranged at the other end of the upper bracket rod, one leaf of the first hinge is fixedly arranged on the first fixing block through a plurality of screws, and the other leaf of the first hinge is fixedly arranged at the upper end of the main frame through a plurality of screws;

the second rotating piece comprises a second fixed block, a second hinge and a plurality of screws;

the second fixed block is fixedly arranged at the other end of the lower end bracket rod, one leaf of the second hinge is fixedly arranged on the second fixed block through a plurality of screws, and the other leaf of the second hinge is fixedly arranged at the lower end of the main frame through a plurality of screws.

Optionally, the first screen fixing assembly includes a third fixing block and a first screen fixing plate;

the third fixed block is sleeved on the vertical support rod, the third fixed block slides up and down and rotates left and right relative to the vertical support rod, the first screen fixed plate is fixedly arranged on the outer surface of the third fixed block, and the first screen fixed plate rotates up and down relative to the third fixed block.

Optionally, the second screen fixing assembly includes a fourth fixing block and a second screen fixing plate;

the fourth fixed block is sleeved on the vertical support rod, the fourth fixed block slides up and down and rotates left and right relative to the vertical support rod, the second screen fixed plate is fixedly arranged on the outer surface of the fourth fixed block, and the second screen fixed plate rotates up and down relative to the fourth fixed block.

Optionally, the keyboard and mouse fixing assembly includes a fifth fixing block and a third keyboard and mouse fixing plate;

the fifth fixed block is sleeved on the vertical bracket rod, and the fifth fixed block slides up and down and rotates left and right relative to the vertical bracket rod, and the third keyboard mouse fixed plate is fixedly arranged on the outer surface of the fifth fixed block.

Optionally, the support device with high rigidity further comprises: two USB switcher fixing plates and two video switcher fixing plates;

the left and right sides of the first screen fixing plate and the second screen fixing plate are respectively and fixedly provided with a USB switcher fixing plate and a video switcher fixing plate, the USB switcher fixing plate and the video switcher fixing plate on the left and right sides of the first screen fixing plate are on the same horizontal plane with the first screen fixing plate, and the USB switcher fixing plate and the video switcher fixing plate on the left and right sides of the second screen fixing plate are on the same horizontal plane with the second screen fixing plate.

Optionally, the first screen fixing plate is arranged at a preset first interval between the central point and the ground, the second screen fixing plate is arranged at a preset second interval between the central point and the ground, and the third keyboard mouse fixing plate is arranged at a preset third interval between the central point and the ground.

Optionally, the first pitch is L1, l1=1400 mm-1600mm, the second pitch is L2, l2=1100 mm-1300mm, and the third pitch is L3, l3=880 mm-1080mm.

According to the support device with high rigidity, the main frame is placed on the ground, the upper end of the C-shaped bracket body is arranged at the upper end of the main frame in a left-right rotating way through the first rotating piece, and the lower end of the C-shaped bracket body corresponding to the upper end is arranged at the lower end of the main frame in a left-right rotating way through the second rotating piece, so that the rigidity of the C-shaped bracket body is high, the load bearing capacity is high, and deformation or damage is not easy to occur; and the vertical end of C type support body is fixed from last to fixed first screen fixed subassembly, second screen fixed subassembly and the fixed subassembly of keyboard mouse of being provided with down in proper order, and the fixed subassembly of first screen, the fixed subassembly of second screen and the fixed subassembly of keyboard mouse all slide from top to bottom and rotate about the vertical end of C type support body, thereby make this application can fix two screens, place the space of keyboard and mouse in addition, simultaneously, the fixed subassembly of first screen, the fixed subassembly of second screen and the fixed subassembly of keyboard mouse highly can be adjusted, can match different models or equipment, accord with ergonomic standard. The utility model solves the defects that the support frame in the prior art can only fix one screen, has no placement space for a keyboard and a mouse, cannot be adjusted in height, is difficult to match with different models or equipment, does not conform to the ergonomic specifications, and has weak overall rigidity due to the fixing mode of the fixing piece, the support surface bears extremely large moment, and the cantilever body and the support position thereof are easy to deform or damage.

Drawings

FIG. 1 is a schematic view of an overall three-dimensional structure at a first perspective of a support device with high rigidity according to the present utility model;

FIG. 2 is a schematic view of a second perspective of a support device with high rigidity according to the present utility model;

FIG. 3 is a schematic view of an overall two-dimensional structure of a support device with high rigidity according to the present utility model;

fig. 4 is a schematic view of a structure of a support device with high rigidity mounted on a main frame according to the present utility model.

List of reference numerals:

10. a C-shaped bracket body; 11. an upper bracket rod; 12. a lower support rod; 13. a vertical support rod; 20. a first screen fixing assembly; 21. a third fixed block; 22. a first screen fixing plate; 30. a second screen fixing assembly; 31. a fourth fixed block; 32. a second screen fixing plate; 40. a keyboard and mouse fixing assembly; 41. a fifth fixed block; 42. a third keyboard mouse fixing plate; 50. a first rotating member; 51. a first fixed block; 52. a first hinge; 60. a second rotating member; 61. a second fixed block; 62. a second hinge; 70. a USB switcher fixing plate; 80. video switcher fixing board.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 4, the present utility model provides a supporting device with high rigidity, which can solve the defects that a supporting frame in the prior art can only fix a screen, has no placement space for a keyboard and a mouse, cannot be adjusted in height, is difficult to match with different models or devices, does not conform to ergonomic specifications and the fixing mode of a fixing sheet, so that the overall rigidity is weak, the supporting surface bears a great moment, and the cantilever body and the supporting position thereof are easily deformed or damaged.

The utility model provides a supporting device with high rigidity, which is used for being fixed on a main frame, wherein the main frame is placed on the ground and comprises: the C-shaped stand body 10, the first screen fixing assembly 20, the second screen fixing assembly 30, the keyboard and mouse fixing assembly 40, the first rotating member 50 and the second rotating member 60;

the upper end of the C-shaped bracket body 10 is rotatably disposed at the upper end of the main frame through the first rotating member 50 left and right, and the lower end of the C-shaped bracket body 10 corresponding to the upper end is rotatably disposed at the lower end of the main frame through the second rotating member 60 left and right, the vertical end of the C-shaped bracket body 10 is fixedly provided with the first screen fixing assembly 20, the second screen fixing assembly 30 and the keyboard-mouse fixing assembly 40 from top to bottom in sequence, and the first screen fixing assembly 20, the second screen fixing assembly 30 and the keyboard-mouse fixing assembly 40 slide up and down and rotate left and right with respect to the vertical end of the C-shaped bracket body 10.

The upper end and the lower end of the C-shaped bracket body 10 are respectively arranged on the main frame in a left-right rotation way through the first rotating member 50 and the second rotating member 60, so that the device is used for avoiding obstacles and obtaining real-time adaptation requirements, part of cables can be tidied and contained in the main frame, and the C-shaped bracket body 10 is not easy to receive impact force and shaking force after being arranged on the main frame, so that the device does not have obvious shaking and displacement when an Equipment Front End Module (EFEM) operates; the first screen fixing assembly 20 and the second screen fixing assembly 30 are respectively provided with screens; the keyboard and mouse fixing assembly 40 is provided with a mouse and a keyboard.

In addition, the application is not limited to installing two screens, and in practical application, the two screens can be correspondingly adjusted according to specific use, and redundant description is omitted herein.

The supporting device with high rigidity provided by the utility model is placed on the ground through the main frame, the upper end of the C-shaped bracket body 10 is arranged at the upper end of the main frame through the left-right rotation of the first rotating piece 50, and the lower end of the C-shaped bracket body 10 corresponding to the upper end is arranged at the lower end of the main frame through the left-right rotation of the second rotating piece 60, so that the rigidity of the C-shaped bracket body 10 is high, the load bearing capacity is strong, and the deformation or the damage is not easy to occur; and the vertical end of the C-shaped bracket body 10 is fixedly provided with a first screen fixing assembly 20, a second screen fixing assembly 30 and a keyboard and mouse fixing assembly 40 from top to bottom in sequence, and the first screen fixing assembly 20, the second screen fixing assembly 30 and the keyboard and mouse fixing assembly 40 slide up and down and rotate left and right respectively, so that the application can fix two screens, and a placing space for a keyboard and a mouse is provided, and meanwhile, the heights of the first screen fixing assembly 20, the second screen fixing assembly 30 and the keyboard and mouse fixing assembly 40 can be adjusted, different models or devices can be matched, and ergonomic specifications are met. The utility model solves the defects that the support frame in the prior art can only fix one screen, has no placement space for a keyboard and a mouse, cannot be adjusted in height, is difficult to match with different models or devices, does not conform to the ergonomic standard (SEMIS 8-semiconductor manufacturing equipment artificial engineering safety standard) and the fixing mode of the fixing piece, so that the whole rigidity is weak, the support surface bears extremely large moment, and the cantilever body and the support position thereof are easy to deform or damage.

Referring to fig. 2, alternatively, the C-shaped bracket body 10 includes an upper bracket bar 11, a lower bracket bar 12, and a vertical bracket bar 13;

one end vertical fixation of upper end support pole 11 sets up the upper end tip at vertical support pole 13, the other end of upper end support pole 11 rotates about through first rotation piece 50 and sets up the upper end at the main frame, the one end vertical fixation of lower extreme support pole 12 sets up the lower extreme tip at vertical support pole 13, the other end of lower extreme support pole 12 rotates about through second rotation piece 60 and sets up the lower extreme at the main frame, vertical support pole 13 is fixed in proper order from top to bottom and is provided with first screen fixed subassembly 20, second screen fixed subassembly 30 and keyboard mouse fixed subassembly 40, and first screen fixed subassembly 20, second screen fixed subassembly 30 and keyboard mouse fixed subassembly 40 are all slided about and are rotated about vertical support pole 13.

Wherein, the arrangement of the upper end bracket rod 11, the lower end bracket rod 12 and the vertical bracket rod 13 can lead to high rigidity, strong loading capacity and difficult deformation or damage.

Referring to fig. 1, alternatively, the first rotating member 50 and the second rotating member 60 are identical in structure;

the first rotating member 50 includes a first fixed block 51, a first hinge 52, and a plurality of screws;

the first fixing block 51 is fixedly arranged at the other end of the upper end bracket rod 11, one leaf of the first hinge 52 is fixedly arranged on the first fixing block 51 through a plurality of screws, and the other leaf of the first hinge 52 is fixedly arranged at the upper end of the main frame through a plurality of screws;

the second rotating member 60 includes a second fixed block 61, a second hinge 62, and a plurality of screws;

the second fixing block 61 is fixedly arranged at the other end of the lower end bracket rod 12, one leaf of the second hinge 62 is fixedly arranged on the second fixing block 61 through a plurality of screws, and the other leaf of the second hinge 62 is fixedly arranged at the lower end of the main frame through a plurality of screws.

The upper bracket rod 11 is connected with the main frame through the first hinge 52 and a plurality of screws, so that the number of locking points between the upper bracket rod and the main frame is increased, for example, if the other leaf of the first hinge 52 is fixedly arranged at the upper end of the main frame through 4 screws, the number of locking points between the upper bracket rod and the main frame is four, the rigidity is high, the load bearing capacity is high, the rotating arrangement of the C-shaped bracket body 10 relative to the main frame can be achieved, and the requirement of real-time adaptation of avoiding obstacles is met; the arrangement between the lower end bracket bar 12 and the main frame is the same as the arrangement between the upper end bracket bar 11 and the main frame, so that the effects are the same, and redundant description is not made here.

Referring to fig. 3, the first screen fixing assembly 20 may optionally include a third fixing block 21 and a first screen fixing plate 22;

the third fixed block 21 is sleeved on the vertical bracket rod 13, the third fixed block 21 slides up and down and rotates left and right relative to the vertical bracket rod 13, the first screen fixed plate 22 is fixedly arranged on the outer surface of the third fixed block 21, and the first screen fixed plate 22 rotates up and down relative to the third fixed block 21.

The third fixing block 21 may be two half fixing blocks which are spliced together by screws, and after being spliced together, an inserting hole is formed in the middle of the two half fixing blocks, the third fixing block 21 is sleeved on the vertical bracket rod 13, and after the first screen fixing plate 22 is adjusted to a proper position and height up and down and left and right, the two half fixing blocks are fixedly screwed by screws so as to fix the third fixing block 21 on the vertical bracket rod 13; the first screen fixing plate 22 may be vertically rotated relative to the third fixing block 21, and a long screw may be disposed between the third fixing block 21 and the first screen fixing plate 22, and when the angle between the first screen fixing plate 22 and the third fixing block 21 is to be adjusted, the long screw is screwed, the first screen fixing plate 22 is rotated to a proper angle, and then the long screw is screwed to fix the first screen fixing plate 22 on the third fixing block 21, so that the height and the angle of the first screen fixing plate 22 conform to the ergonomic specifications.

Referring to fig. 3, the second screen fixing assembly 30 may optionally include a fourth fixing block 31 and a second screen fixing plate 32;

the fourth fixing block 31 is sleeved on the vertical bracket rod 13, the fourth fixing block 31 slides up and down and rotates left and right relative to the vertical bracket rod 13, the second screen fixing plate 32 is fixedly arranged on the outer surface of the fourth fixing block 31, and the second screen fixing plate 32 rotates up and down relative to the fourth fixing block 31.

The fourth fixing block 31 may be two half fixing blocks which are spliced together by screws, and an insertion hole is formed in the middle of the two half fixing blocks after the two half fixing blocks are spliced together, the fourth fixing block 31 is sleeved on the vertical bracket rod 13, and after the second screen fixing plate 32 is adjusted to a proper position and height up and down and left and right, the two half fixing blocks are fixedly screwed by screws so as to fix the fourth fixing block 31 on the vertical bracket rod 13; the second screen fixing plate 32 may be vertically rotated relative to the fourth fixing block 31, and a long screw may be disposed between the fourth fixing block 31 and the second screen fixing plate 32, and when the angle between the second screen fixing plate 32 and the fourth fixing block 31 is to be adjusted, the long screw is screwed, the second screen fixing plate 32 is rotated to a proper angle, and then the long screw is screwed to fix the second screen fixing plate 32 on the fourth fixing block 31, so that the height and the angle of the second screen fixing plate 32 conform to the ergonomic specifications.

Referring to fig. 3, the keyboard and mouse fixing assembly 40 may alternatively include a fifth fixing block 41 and a third keyboard and mouse fixing plate 42;

the fifth fixing block 41 is sleeved on the vertical bracket rod 13, the fifth fixing block 41 slides up and down and rotates left and right relative to the vertical bracket rod 13, and the third keyboard mouse fixing plate 42 is fixedly arranged on the outer surface of the fifth fixing block 41.

The fifth fixing block 41 may be two half fixing blocks which are fixed together by screw assembly, and an insertion hole is formed in the middle of the two half fixing blocks after the two half fixing blocks are assembled together, the fifth fixing block 41 is sleeved on the vertical bracket rod 13, and after the third keyboard mouse fixing plate 42 is adjusted to a proper position and height up and down and left and right, the two half fixing blocks are fixed and screwed by screws so as to fix the fifth fixing block 41 on the vertical bracket rod 13.

Referring to fig. 1 to 2, the support device having high rigidity may optionally further include: two USB switcher fixing plates 70 and two video switcher fixing plates 80;

the first screen fixing plate 22 and the second screen fixing plate 32 are fixedly provided with a USB switcher fixing plate 70 and a video switcher fixing plate 80, respectively, on the left and right sides of the first screen fixing plate 22, the USB switcher fixing plate 70 and the video switcher fixing plate 80 on the left and right sides of the first screen fixing plate 22 are on the same horizontal plane as the first screen fixing plate 22, and the USB switcher fixing plate 70 and the video switcher fixing plate 80 on the left and right sides of the second screen fixing plate 32 are on the same horizontal plane as the second screen fixing plate 32.

Wherein, the USB switcher fixing plate 70 is used for fixing the USB switcher; the video switcher fixing plate 80 is used for fixing a video switcher.

Referring to fig. 4, alternatively, the center point of the first screen fixing plate 22 is disposed at a preset first interval from the ground, the center point of the second screen fixing plate 32 is disposed at a preset second interval from the ground, and the center point of the third keyboard-mouse fixing plate 42 is disposed at a preset third interval from the ground.

Wherein the first, second and third pitches are defined so as to conform to ergonomic specifications.

Referring to fig. 4, alternatively, the first pitch is L1, l1=1400 mm-1600mm, the second pitch is L2, l2=1100 mm-1300mm, and the third pitch is L3, l3=880 mm-1080mm.

Wherein the first, second and third pitches are defined so as to conform to ergonomic specifications.

In summary, the support device with high rigidity provided by the utility model is placed on the ground through the main frame, the upper end of the C-shaped bracket body 10 is arranged at the upper end of the main frame through the left-right rotation of the first rotating member 50, and the lower end of the C-shaped bracket body 10 corresponding to the upper end is arranged at the lower end of the main frame through the left-right rotation of the second rotating member 60, so that the rigidity of the C-shaped bracket body is high, the load bearing capacity is strong, and deformation or damage is not easy to occur; and the vertical end of the C-shaped bracket body 10 is fixedly provided with a first screen fixing assembly 20, a second screen fixing assembly 30 and a keyboard and mouse fixing assembly 40 from top to bottom in sequence, and the first screen fixing assembly 20, the second screen fixing assembly 30 and the keyboard and mouse fixing assembly 40 slide up and down and rotate left and right respectively, so that the application can fix two screens, and a placing space for a keyboard and a mouse is provided, and meanwhile, the heights of the first screen fixing assembly 20, the second screen fixing assembly 30 and the keyboard and mouse fixing assembly 40 can be adjusted, different models or devices can be matched, and ergonomic specifications are met. The utility model solves the defects that the support frame in the prior art can only fix one screen, has no placement space for a keyboard and a mouse, cannot be adjusted in height, is difficult to match with different models or equipment, does not conform to the ergonomic specifications, and has weak overall rigidity due to the fixing mode of the fixing piece, the support surface bears extremely large moment, and the cantilever body and the support position thereof are easy to deform or damage.

It should be noted that not all the steps and modules in the above flowcharts and the system configuration diagrams are necessary, and some steps or modules may be omitted according to actual needs. The execution sequence of the steps is not fixed and can be adjusted as required. The system structure described in the above embodiments may be a physical structure or a logical structure, that is, some modules may be implemented by the same physical entity, or some modules may be implemented by multiple physical entities, or may be implemented jointly by some components in multiple independent devices.

In the above embodiments, the hardware module may be mechanically or electrically implemented. While the utility model has been illustrated and described in detail in the drawings and in the preferred embodiments, the utility model is not limited to the disclosed embodiments, and it will be appreciated by those skilled in the art that the code audits of the various embodiments described above may be combined to produce further embodiments of the utility model, which are also within the scope of the utility model.

Claims (9)

1. A support device having high rigidity for fixing to a main frame, the main frame being placed on the ground, comprising: the device comprises a C-shaped bracket body (10), a first screen fixing assembly (20), a second screen fixing assembly (30), a keyboard and mouse fixing assembly (40), a first rotating piece (50) and a second rotating piece (60);

the upper end of the C-shaped support body (10) is arranged at the upper end of the main frame in a left-right rotating mode through the first rotating piece (50), the lower end of the C-shaped support body (10) corresponding to the upper end is arranged at the lower end of the main frame in a left-right rotating mode through the second rotating piece (60), the first screen fixing assembly (20) is fixedly arranged at the vertical end of the C-shaped support body (10) from top to bottom in sequence, the second screen fixing assembly (30) and the keyboard and mouse fixing assembly (40) are arranged, and the first screen fixing assembly (20), the second screen fixing assembly (30) and the keyboard and mouse fixing assembly (40) slide up and down and rotate left and right at the vertical end of the C-shaped support body (10).

2. A support device with high rigidity according to claim 1, characterized in that the C-shaped bracket body (10) comprises an upper bracket bar (11), a lower bracket bar (12) and a vertical bracket bar (13);

the one end vertical fixation of upper end support pole (11) sets up the upper end tip of vertical support pole (13), the other end of upper end support pole (11) is through first rotation piece (50) left and right sides rotates the upper end that sets up at the main frame, the one end vertical fixation of lower extreme support pole (12) sets up the lower extreme tip of vertical support pole (13), the other end of lower extreme support pole (12) is through second rotation piece (60) left and right sides rotates the lower extreme that sets up at the main frame, vertical support pole (13) from last to being provided with in proper order first screen fixed subassembly (20), second screen fixed subassembly (30) with keyboard mouse fixed subassembly (40), just first screen fixed subassembly (20), second screen fixed subassembly (30) with keyboard mouse fixed subassembly (40) all slide from top to bottom and control the rotation of vertical support pole (13).

3. A supporting device with high rigidity according to claim 2, characterized in that said first rotating member (50) and said second rotating member (60) are identical in structure;

the first rotating piece (50) comprises a first fixed block (51), a first hinge (52) and a plurality of screws;

the first fixing block (51) is fixedly arranged at the other end of the upper end bracket rod (11), one leaf of the first hinge (52) is fixedly arranged on the first fixing block (51) through a plurality of screws, and the other leaf of the first hinge (52) is fixedly arranged at the upper end of the main frame through a plurality of screws;

the second rotating piece (60) comprises a second fixed block (61), a second hinge (62) and a plurality of screws;

the second fixing block (61) is fixedly arranged at the other end of the lower end bracket rod (12), one leaf of the second hinge (62) is fixedly arranged on the second fixing block (61) through a plurality of screws, and the other leaf of the second hinge (62) is fixedly arranged at the lower end of the main frame through a plurality of screws.

4. A support device with high rigidity according to claim 2, characterized in that said first screen fixing assembly (20) comprises a third fixing block (21) and a first screen fixing plate (22);

the third fixing block (21) is sleeved on the vertical support rod (13), the third fixing block (21) slides up and down and rotates left and right relative to the vertical support rod (13), the first screen fixing plate (22) is fixedly arranged on the outer surface of the third fixing block (21), and the first screen fixing plate (22) rotates up and down relative to the third fixing block (21).

5. A support device with high rigidity according to claim 4, characterized in that said second screen fixing assembly (30) comprises a fourth fixing block (31) and a second screen fixing plate (32);

the fourth fixing block (31) is sleeved on the vertical support rod (13), the fourth fixing block (31) slides up and down and rotates left and right relative to the vertical support rod (13), the second screen fixing plate (32) is fixedly arranged on the outer surface of the fourth fixing block (31), and the second screen fixing plate (32) rotates up and down relative to the fourth fixing block (31).

6. A supporting device with high rigidity according to claim 5, characterized in that said keyboard-mouse fixing assembly (40) comprises a fifth fixing block (41) and a third keyboard-mouse fixing plate (42);

the fifth fixed block (41) is sleeved on the vertical support rod (13), the fifth fixed block (41) slides up and down and rotates left and right relative to the vertical support rod (13), and the third keyboard mouse fixed plate (42) is fixedly arranged on the outer surface of the fifth fixed block (41).

7. The high rigidity support device according to claim 5, further comprising: two USB switch fixing plates (70) and two video switch fixing plates (80);

the USB switch fixing plate (70) and the video switch fixing plate (80) are fixedly arranged on the left side and the right side of the first screen fixing plate (22) and the second screen fixing plate (32) respectively, the USB switch fixing plate (70) and the video switch fixing plate (80) on the left side and the right side of the first screen fixing plate (22) are on the same horizontal plane with the first screen fixing plate (22), and the USB switch fixing plate (70) and the video switch fixing plate (80) on the left side and the right side of the second screen fixing plate (32) are on the same horizontal plane with the second screen fixing plate (32).

8. The support device with high rigidity according to claim 6, wherein a first predetermined distance is provided between a center point of the first screen fixing plate (22) and the ground, a second predetermined distance is provided between a center point of the second screen fixing plate (32) and the ground, and a third predetermined distance is provided between a center point of the third keyboard-mouse fixing plate (42) and the ground.

9. A support device with high rigidity according to claim 8, wherein the first pitch is L1, l1=1400 mm-1600mm, the second pitch is L2, l2=1100 mm-1300mm, and the third pitch is L3, l3=880 mm-1080mm.