CN220038012U - Video training monitoring screen recording sharing device - Google Patents

Abstract

The utility model provides a video training monitoring screen recording sharing device which comprises a sliding rail, a first sliding arm, a second sliding arm and a wireless camera; the sliding rail is detachably connected to the top frame of the computer screen, a sliding seat is connected to the sliding rail in an axial sliding manner, and a rotating seat is horizontally connected to the sliding seat in a rotating manner; the first sliding arm is connected to the swivel base in a sliding manner along the horizontal direction, is provided with a working position swinging along with the swivel base to be vertical to the computer screen, and is also provided with a storage position swinging along with the swivel base to be consistent with the axial direction of the sliding rail; the second sliding arm is connected with one end of the first sliding arm in a sliding manner along the vertical direction; the wireless camera is fixedly connected to the bottom end of the second sliding arm along the axial direction of the first sliding arm. The video training monitoring screen recording sharing device provided by the utility model can meet the clear sharing of the whole screen and partial screen images, thereby improving the viewing experience of a user on the video training sharing images.

Description

Video training monitoring screen recording sharing device

Technical Field

The utility model belongs to the technical field of vision training peripheral equipment, and particularly relates to a vision training monitoring screen recording sharing device.

Background

With the increasing attention of children's vision problem, many parents bring children to specialized vision training institutions to perform vision training under the guidance of the profession, and in general, in the vision training room, there are usually a plurality of positions of vision training items, and each training item position is configured with a monitor, where the purpose of the monitor is to enable the parents to view the state of the trainer in real time. However, in any of the above modes, the whole screen of the screen can only be seen, and the resolution is reduced due to the screen enlarging of the shared screen, so that the requirement of clearly enlarging or closely watching a certain split screen of the shared screen cannot be met, the training details of children cannot be clearly seen, and the sharing experience is poor.

Disclosure of Invention

The embodiment of the utility model provides a viewing training monitoring screen recording sharing device, which aims to simultaneously meet clear viewing requirements of whole screen and partial screen pictures and improve viewing experience of viewing training sharing pictures.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a watch-training monitoring screen-recording sharing device, which comprises a sliding rail, a first sliding arm, a second sliding arm and a wireless camera; the slide rail is used for being detachably connected to the top frame of the computer screen, the slide rail is axially connected with a slide seat in a sliding manner, and the slide seat is horizontally connected with a rotary seat in a rotary manner; the first sliding arm is connected to the swivel base in a sliding manner along the horizontal direction, is provided with a working position swinging along with the swivel base to be vertical to the computer screen, and is also provided with a storage position swinging along with the swivel base to be consistent with the axial direction of the sliding rail; the second sliding arm is connected with one end of the first sliding arm in a sliding manner along the vertical direction; the wireless camera is fixedly connected to the bottom end of the second sliding arm along the axial direction of the first sliding arm and is provided with a built-in memory card and a wireless network card; when the first sliding arm is in the working position, the second sliding arm and the wireless camera are positioned right in front of the computer screen, the shooting direction of the wireless camera faces the computer screen, and when the first sliding arm is in the storage position, the second sliding arm and the wireless camera are positioned on the side of the computer screen.

In one possible implementation manner, two ends of the sliding seat are respectively provided with an elastic limiting part, when the first sliding arm is in the working position, the two elastic limiting parts respectively extend out of the sliding seat upwards and respectively abut against two side walls of the sliding seat, and when the first sliding arm is in the storage position, the two elastic limiting parts are respectively contracted downwards and abut against the bottom wall of the sliding seat.

In some embodiments, two clamping grooves are distributed on the bottom wall of the swivel base along the axial direction of the first sliding arm at intervals, and when the first sliding arm is in the storage position, the two elastic limiting parts are respectively and correspondingly clamped with the two clamping grooves.

The two end walls of the sliding seat are respectively provided with limiting holes which are correspondingly communicated with the two slots; the elastic limiting piece comprises a plugboard and an elastic element, the plugboard is inserted into the slot in a vertically sliding manner, a limiting plate is arranged on the side wall of the plugboard, and the limiting plate penetrates through the limiting hole and extends out of the sliding seat; the elastic element is arranged at the bottom of the slot and is abutted with the bottom end wall of the plugboard; when the first sliding arm is in a working position or a storage position, the limiting plate is abutted with the top wall of the limiting hole; when the limiting plate is abutted against the bottom wall of the limiting hole, the inserting plate integrally retracts into the slot.

In one possible implementation manner, the video training monitoring screen recording sharing device further comprises a driving mechanism and a controller electrically connected with the driving mechanism; the driving mechanism comprises a first driving piece, a second driving piece and a third driving piece, wherein the first driving piece and the second driving piece are arranged on the swivel base, and the third driving piece is arranged on the first sliding arm; the output end of the second driving piece is connected with the first sliding arm and is used for driving the first sliding arm to slide relative to the swivel base along the axial direction of the first sliding arm; the output end of the third driving piece is connected with the second sliding arm and used for driving the second sliding arm to slide relative to the first sliding arm along the axial direction of the second sliding arm.

In some embodiments, the first drive comprises a first motor, a first gear, and a first rack; the first motor is fixedly connected to the rotary seat, and the output shaft penetrates through the rotary seat and penetrates into the sliding seat; the first gear is arranged in the sliding seat and is connected with an output shaft of the first motor, and a rim of the first gear extends out of one side wall of the sliding seat; the first rack is connected to the slide rail along the axial direction of the slide rail and meshed with the first gear.

In some embodiments, the second drive comprises a second motor and a second rack; the second motor is horizontally fixed on the rotary seat, and a second gear is sleeved on the output shaft; the second rack is fixed on the first sliding arm along the axial direction of the first sliding arm and meshed with the second gear.

In some embodiments, the third drive comprises a third motor and a third rack; the third motor is fixedly connected to one end of the first sliding arm, which is close to the second sliding arm, and a third gear is sleeved on the output shaft; the third rack is fixedly connected to the second sliding arm along the axial direction of the second sliding arm and meshed with the third gear.

Illustratively, the power cord end of the drive mechanism is provided with a USB plug.

For example, an installation groove suitable for nesting the top frame is formed in the bottom wall of the sliding rail, a plurality of spiral pressing pieces are screwed on the groove wall on one side of the installation groove along the axial direction of the sliding rail at intervals, and the plurality of spiral pressing pieces are matched with the groove wall on the other side of the installation groove to clamp the top frame.

The video training monitoring screen recording sharing device provided by the utility model has the beneficial effects that: compared with the prior art, the vision training monitoring screen sharing device has the advantages that the sliding rail is fixed on the top frame of the computer screen, the phenomenon that the sliding rail affects the picture of the computer screen is avoided, when vision training pictures are required to be shared, the first sliding arm swings to a working position by utilizing the rotation connection relation between the rotating seat and the sliding seat, so that the wireless camera arranged on the second sliding arm moves to a state of being opposite to the computer screen, then the left and right positions of the wireless camera are adjusted by sliding the sliding seat along the sliding rail, the front and back positions of the wireless camera are adjusted by sliding the first sliding arm back and forth, the upper and lower positions of the wireless camera are adjusted by sliding the second sliding arm up and down, the wireless camera can be positioned at the proper space position to share the whole computer screen, the wireless camera can be moved to the space position opposite to and close to any monitoring picture to carry out screen division sharing, the vision training sharing is flexible and practical, the definition of the shared screen division pictures is high, and the viewing experience of a user on vision training sharing pictures can be improved; in addition, after vision training is finished, the sliding rail does not need to be disassembled, and only the first sliding arm is required to swing to the storage position, so that the second sliding arm and the wireless camera are driven to move to the lateral position of the computer screen, and the second sliding arm and the wireless camera are prevented from shielding the computer screen to influence the normal use of the computer.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of a video training monitoring screen sharing device in a storage position according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a three-dimensional structure of a video training monitoring screen recording sharing device in a working position according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2;

FIG. 4 is a schematic diagram of a connection structure between a swivel base and a slide base when the video training monitoring recording sharing device provided by the embodiment of the utility model is at a storage position;

FIG. 5 is a schematic diagram of a driving mechanism according to an embodiment of the present utility model;

fig. 6 is a schematic side view of a sliding rail according to an embodiment of the present utility model.

In the figure: 10. a slide rail; 11. a slide; 111. a slot; 112. a limiting hole; 113. a through groove; 114. a receiving chamber; 115. a notch; 12. rotating base; 121. a clamping groove; 13. an elastic limiting piece; 131. inserting plate; 1311. a limiting plate; 132. an elastic element; 14. a mounting groove; 15. a screw pressing member; 20. a first slider arm; 30. a second slide arm; 40. a wireless camera; 50. a driving mechanism; 51. a first driving member; 511. a first motor; 512. a first gear; 513. a first rack; 52. a second driving member; 521. a second motor; 522. a second gear; 523. a second rack; 53. a third driving member; 531. a third motor; 532. a third gear; 533. a third rack; 60. a controller; 70. a computer screen.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 and fig. 2, a description will now be given of the video training monitoring screen sharing device provided by the present utility model. The vision training monitoring screen recording sharing device comprises a sliding rail 10, a first sliding arm 20, a second sliding arm 30 and a wireless camera 40; the slide rail 10 is detachably connected to the top frame of the computer screen 70, the slide rail 10 is axially and slidably connected with a slide seat 11, and the slide seat 11 is horizontally and rotatably connected with a rotary seat 12; the first sliding arm 20 is slidably connected to the swivel base 12 along a horizontal direction, and has a working position swinging along with the swivel base 12 to be perpendicular to the computer screen 70, and a storage position swinging along with the swivel base 12 to be consistent with an axial direction of the sliding rail 10; the second sliding arm 30 is slidably connected to one end of the first sliding arm 20 in the vertical direction; the wireless camera 40 is fixedly connected to the bottom end of the second sliding arm 30 along the axial direction of the first sliding arm 20, and the wireless camera 40 is provided with a built-in memory card and a wireless network card; when the first sliding arm 20 is in the working position, the second sliding arm 30 and the wireless camera 40 are located right in front of the computer screen 70, the shooting direction of the wireless camera 40 faces the computer screen 70, and when the first sliding arm 20 is in the storage position, the second sliding arm 30 and the wireless camera 40 are located at the side of the computer screen 70.

It should be noted that, the wireless camera 40 has a built-in memory card, and can record and store the monitoring image for later viewing, and uses the wireless network card to establish wireless communication with the parent mobile phone client to realize the transmission of the sharing image, and these sharing transmission modes are all in the prior art and will not be described in detail herein.

It should be understood that, the video training monitoring screen sharing device provided in this embodiment is not only used for the remote implementation of the user to watch the shared picture, but also can be used for an expert to watch the computer screen 70 (playback of the whole monitoring picture stored by the computer) at the remote end after the video training is finished, and the expert can watch the video training screen according to the split screen details in the watching process, and mainly aims at facilitating the expert to watch the expression and eye movements of the trainer in the training process, so as to judge the training effect.

Compared with the prior art, the vision training monitoring screen sharing device provided by the embodiment has the advantages that the sliding rail 10 is fixed on the top frame of the computer screen 70, the influence of the sliding rail 10 on the screen of the computer screen 70 is avoided, when the vision training screen is required to be shared, the first sliding arm 20 is swung to the working position by utilizing the rotation connection relation between the swivel mount 12 and the sliding seat 11, so that the wireless camera 40 arranged on the second sliding arm 30 is moved to a state of being opposite to the computer screen 70, then the left and right positions of the wireless camera 40 are adjusted by sliding the sliding seat 11 along the sliding rail 10, the front and back positions of the wireless camera 40 are adjusted by sliding the first sliding arm 20 forwards and backwards, the up and down positions of the wireless camera 40 are adjusted by sliding the second sliding arm 30, the wireless camera 40 can be positioned at the proper spatial position to share the whole computer screen 70, the wireless camera 40 can be moved to be opposite to and close to the spatial position of any monitoring screen, and the split-screen sharing is flexible and practical, and the shared split screen is high in definition; in addition, after the vision training is finished, the sliding rail 10 is not required to be disassembled, and only the first sliding arm 20 is required to swing to the storage position, so that the second sliding arm 30 and the wireless camera 40 are driven to move to the lateral position of the computer screen 70, and the second sliding arm 30 and the wireless camera 40 are prevented from shielding the computer screen 70 to influence the normal use of the computer.

In some embodiments, referring to fig. 1 to 4, two ends of the sliding base 11 are respectively provided with an elastic limiting member 13, when the first sliding arm 20 is in the working position, the two elastic limiting members 13 respectively extend upwards out of the sliding base 11 and respectively abut against two side walls of the rotating base 12, and when the first sliding arm 20 is in the storage position, the two elastic limiting members 13 are both contracted downwards and abut against the bottom wall of the rotating base 12.

When the first sliding arm 20 is positioned on the working position for screen recording operation, the extending parts of the two elastic limiting parts 13 are respectively abutted against the two side walls of the rotary seat 12 so as to limit the rotation freedom degree of the rotary seat 12, so that the first sliding arm 20 can be always positioned in a state perpendicular to the computer screen 70 during screen recording operation, the first sliding arm 20 is prevented from shaking left and right to influence the screen recording quality, when the first sliding arm 20 is switched from the working position to the storage position for screen recording, the two elastic limiting parts 13 are retracted downwards to the sliding seat 11 through pressing, then the first sliding arm 20 is swung to drive the rotary seat 12 to rotate, the rotary seat 12 is pressed above the two elastic limiting parts 13 (the distance between the two ends of the rotary seat 12 is larger than the distance between the two side walls), and when the first sliding arm 20 is switched from the storage position to the working position, the two elastic limiting parts 13 can be automatically popped up and matched with the two side walls of the rotary seat 12, and the operation is simple and convenient.

In order to improve the stability of the storage state of the first sliding arm 20 in the storage position, referring to fig. 4, two clamping grooves 121 are distributed on the bottom wall of the swivel base 12 along the axial direction of the first sliding arm 20 at intervals, and when the first sliding arm 20 is in the storage position, the two elastic limiting members 13 are respectively clamped with the two clamping grooves 121 correspondingly.

Specifically, referring to fig. 3 and 4, the top walls at two ends of the sliding seat 11 are respectively provided with a slot 111 extending downwards, and the two end walls of the sliding seat 11 are respectively provided with a limit hole 112 correspondingly communicated with the two slots 111; the elastic limiting piece 13 comprises a plugboard 131 and an elastic element 132, the plugboard 131 is inserted into the slot 111 in a vertically sliding manner, a limiting plate 1311 is arranged on the side wall of the plugboard 131, and the limiting plate 1311 penetrates through the limiting hole 112 and extends out of the sliding seat 11; the elastic element 132 is arranged at the bottom of the slot 111 and is abutted with the bottom end wall of the plugboard 131; when the first slider 20 is at the working position or the storage position, the limiting plate 1311 abuts against the top wall of the limiting hole 112; when the limit plate 1311 abuts against the bottom wall of the limit hole 112, the insert plate 131 integrally retracts into the slot 111.

When the first sliding arm 20 is switched between the working position and the storage position, the plug board 131 can rotate the rotary seat 12 by only pressing the limiting plate 1311 to retract into the slot 111 against the elastic force of the elastic element 132 (spring or shrapnel), the plug board 131 automatically pops out to limit under the action of the elastic element 132 after rotating in place, and the plug board 131 can be prevented from completely falling out of the slot 111 by the abutting action of the limiting plate 1311 and the limiting hole 112.

In some embodiments, referring to fig. 2 and 5, the video training monitoring screen sharing device further includes a driving mechanism 50 and a controller 60 electrically connected to the driving mechanism 50; the driving mechanism 50 includes a first driving member 51, a second driving member 52, and a third driving member 53, which are disposed on the swivel base 12, and disposed on the first sliding arm 20, wherein an output end of the first driving member 51 passes through the swivel base 12 downward and is connected with the sliding base 11, so as to drive the sliding base 11 to slide along an axial direction of the sliding rail 10; the output end of the second driving piece 52 is connected with the first sliding arm 20 and is used for driving the first sliding arm 20 to slide relative to the swivel base 12 along the axial direction of the first sliding arm; the output end of the third driving member 53 is connected to the second slider arm 30 for driving the second slider arm 30 to slide in its own axial direction with respect to the first slider arm 20. An operator can control the driving mechanism 50 to drive the sliding seat 11, the first sliding arm 20 and the second sliding arm 30 to act only by operating the controller 60, so that the spatial position adjustment of the wireless camera 40 is realized, and the wireless camera is simple and convenient, and the position adjustment precision is high.

Specifically, the above-mentioned controller 60 and the mobile phone client also establish wireless transmission communication, so that the adjustment of the recording position by the viewer can be achieved, for example, the computer screen 70 displays a nine-grid frame, each grid represents a frame of the viewing training position, each split-screen frame can be respectively numbered digitally for convenient operation, and the client only needs to click the corresponding digital number to trigger the control signal of the controller 60, so that the driving mechanism 50 drives the wireless camera 40 to move to the spatial position aligned to the corresponding split-screen frame.

As an embodiment of the first driving member 51, referring to fig. 5, the first driving member 51 includes a first motor 511, a first gear 512, and a first rack 513; wherein, the first motor 511 is fixedly connected to the rotary seat 12, and the output shaft passes through the rotary seat 12 and penetrates into the sliding seat 11; the first gear 512 is disposed in the slide 11 and connected to the output shaft of the first motor 511, and the rim of the first gear 512 extends out of one side wall of the slide 11; the first rack 513 is connected to the slide rail 10 along an axial direction of the slide rail 10 and is engaged with the first gear 512. Specifically, a through groove 113 (as shown in fig. 6) extending along the axial direction of the slide rail 10 is formed in a side wall of the slide 11, a containing cavity 114 suitable for containing the first gear 512 is formed in the side wall of the containing cavity 114, a notch 115 (see fig. 4) communicated with the through groove 113 is formed in the cavity wall of the containing cavity 114, the rim of the first gear 512 protrudes out of the notch 115 and stretches into the through groove 113, the first rack 513 is aligned with the through groove 113 to be meshed with the first gear 512, the first gear 512 is driven to rotate and roll on the first rack 513 by the first motor 511, so that the slide 11 and the rotary seat 12 are driven to move together, the first sliding arm 20 and the second sliding arm 30 are driven to move left and right, left and right position adjustment of the wireless camera 40 is achieved, the structure is simple, transmission is stable, and adjustment precision is high.

As an embodiment of the second driving member 52, referring to fig. 5, the second driving member 52 includes a second motor 521 and a second rack 523; wherein, the second motor 521 is horizontally fixed on the rotary seat 12, and a second gear 522 is sleeved on the output shaft; the second rack 523 is fixed to the first slider 20 in the axial direction of the first slider 20, and is engaged with the second gear 522. The second motor 521 drives the second gear 522 to rotate and roll on the second rack 523, thereby driving the first sliding arm 20 to move relative to the rotary seat 12, and further driving the second sliding arm 30 and the wireless camera 40 to move back and forth together, so as to realize the back and forth position adjustment of the wireless camera 40, and the wireless camera has the advantages of simple structure, stable transmission and high adjustment precision.

As a specific embodiment of the third driving member 53, referring to fig. 5, the third driving member 53 includes a third motor 531 and a third rack 533; wherein, the third motor 531 is fixedly connected to one end of the first sliding arm 20 near the second sliding arm 30, and a third gear 532 is sleeved on the output shaft; the third rack 533 is fixedly connected to the second slider arm 30 in the axial direction of the second slider arm 30, and is engaged with the third gear 532. The third motor 531 drives the third gear 532 to rotate and roll on the third rack 533, so as to drive the second sliding arm 30 to move up and down, and further realize the up-and-down height adjustment of the wireless camera 40, and the wireless camera has the advantages of simple structure, stable transmission and high adjustment precision.

In some possible implementations, the power supply end of the drive mechanism 50 is provided with a USB plug. The USB plug can be directly plugged into a USB jack of a computer to supply power to the driving mechanism 50, power supply connection is not needed, and the USB plug is simple and practical.

In some embodiments, as shown in fig. 6, a bottom wall of the sliding rail 10 is provided with a mounting groove 14 suitable for nesting the top frame, a plurality of spiral pressing members 15 are screwed on a groove wall on one side of the mounting groove 14 along an axial direction of the sliding rail 10 at intervals, and the plurality of spiral pressing members 15 are matched with a groove wall on the other side of the mounting groove 14 to clamp the top frame. When the sliding rail 10 is installed, the installation groove 14 is only required to be clamped on the top frame of the computer screen 70, and then each spiral pressing piece 15 (specifically, a jackscrew) is screwed in sequence, so that the plurality of spiral pressing pieces 15 and the groove wall of the installation groove 14 are matched to clamp the front wall and the rear wall of the top frame, and the installation is convenient and reliable.

It should be noted that, the sliding rail 10 may also be installed on a left side frame or a right side frame of the computer screen 70, when the screen recording operation is performed, the first sliding arm 20 may also swing to an angle perpendicular to the computer screen 70, and when the screen recording operation is performed, the first sliding arm 20 swings vertically to drive the second sliding arm 30 and the wireless camera 40 to rotate above the computer screen 70, which also can avoid shielding the computer screen 70, that is, the video training monitoring screen recording sharing device provided in this embodiment may be flexibly installed and fixed according to the environmental space and the operation habit, and is flexible and convenient to use.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. Video training monitoring screen recording sharing device, which is characterized by comprising:

the sliding rail is detachably connected to the top frame of the computer screen, a sliding seat is connected to the sliding rail in an axial sliding manner, and a rotating seat is horizontally connected to the sliding seat in a rotating manner;

the first sliding arm is connected to the swivel base in a sliding manner along the horizontal direction, is provided with a working position swinging along with the swivel base to be vertical to the computer screen, and is also provided with a storage position swinging along with the swivel base to be consistent with the axial direction of the sliding rail;

the second sliding arm is connected with one end of the first sliding arm in a sliding manner along the vertical direction;

the wireless camera is fixedly connected to the bottom end of the second sliding arm along the axial direction of the first sliding arm and is provided with a built-in memory card and a wireless network card;

when the first sliding arm is in the working position, the second sliding arm and the wireless camera are positioned right in front of the computer screen, the shooting direction of the wireless camera faces to the computer screen, and when the first sliding arm is in the storage position, the second sliding arm and the wireless camera are positioned on the side of the computer screen.

2. The viewing and monitoring screen sharing device according to claim 1, wherein elastic limiting members are respectively arranged at two ends of the sliding seat, when the first sliding arm is in the working position, the two elastic limiting members respectively extend out of the sliding seat upwards and respectively abut against two side walls of the rotating seat, and when the first sliding arm is in the storage position, the two elastic limiting members are respectively contracted downwards and abut against the bottom wall of the rotating seat.

3. The viewing and monitoring screen sharing device according to claim 2, wherein two clamping grooves are distributed on the bottom wall of the swivel base at intervals along the axial direction of the first sliding arm, and when the first sliding arm is in the storage position, the two elastic limiting pieces are respectively clamped with the two clamping grooves correspondingly.

4. The video training monitoring screen recording sharing device according to claim 3, wherein the top walls at two ends of the sliding seat are respectively provided with a slot extending downwards, and the two end walls of the sliding seat are respectively provided with a limiting hole correspondingly communicated with the two slots; the elastic limiting piece comprises:

the inserting plate is inserted into the slot in a vertically sliding manner, a limiting plate is arranged on the side wall of the inserting plate, and the limiting plate penetrates through the limiting hole and extends out of the sliding seat;

the elastic element is arranged at the bottom of the slot and is abutted with the bottom end wall of the plugboard;

when the first sliding arm is in the working position or the storage position, the limiting plate is abutted with the top wall of the limiting hole; when the limiting plate is abutted against the bottom wall of the limiting hole, the inserting plate integrally retracts into the slot.

5. The viewing and monitoring screen sharing apparatus of any one of claims 1-4, wherein the viewing and monitoring screen sharing apparatus further comprises a drive mechanism and a controller electrically connected to the drive mechanism; wherein, the actuating mechanism includes:

the first driving piece is arranged on the rotary seat, and the output end of the first driving piece downwards passes through the rotary seat and is connected with the sliding seat, so as to drive the sliding seat to slide along the axial direction of the sliding rail;

the second driving piece is arranged on the swivel base, and the output end of the second driving piece is connected with the first sliding arm and is used for driving the first sliding arm to slide relative to the swivel base along the axial direction of the second sliding arm;

the third driving piece is arranged on the first sliding arm, and the output end of the third driving piece is connected with the second sliding arm and is used for driving the second sliding arm to slide relative to the first sliding arm along the axial direction of the third driving piece.

6. The viewing and monitoring screen sharing apparatus of claim 5, wherein the first driving member comprises:

the first motor is fixedly connected to the rotary seat, and an output shaft penetrates through the rotary seat and penetrates into the sliding seat;

the first gear is arranged in the sliding seat and is connected with the output shaft of the first motor, and the rim of the first gear extends out of one side wall of the sliding seat;

the first rack is connected to the sliding rail along the axial direction of the sliding rail and meshed with the first gear.

7. The viewing and monitoring screen sharing apparatus of claim 5, wherein the second driving member comprises:

the second motor is horizontally fixed on the rotary seat, and a second gear is sleeved on the output shaft;

the second rack is fixed on the first sliding arm along the axial direction of the first sliding arm and meshed with the second gear.

8. The viewing and monitoring screen sharing apparatus of claim 5, wherein the third driving member comprises:

the third motor is fixedly connected to one end of the first sliding arm, which is close to the second sliding arm, and a third gear is sleeved on the output shaft;

and the third rack is fixedly connected to the second sliding arm along the axial direction of the second sliding arm and meshed with the third gear.

9. The video training monitoring and recording sharing device according to claim 5, wherein a USB plug is arranged at a power supply line end of the driving mechanism.

10. The viewing and monitoring screen sharing device according to any one of claims 1-4 and 6-9, wherein a mounting groove suitable for nesting the top frame is formed in the bottom wall of the sliding rail, a plurality of spiral pressing members are screwed on the groove wall on one side of the mounting groove along the axial direction of the sliding rail at intervals, and the plurality of spiral pressing members are matched with the groove wall on the other side of the mounting groove to clamp the top frame.