Conference screen projection equipment

Abstract

The utility model discloses conference screen projection equipment, and relates to the technical field of screen projection equipment, in particular to conference screen projection equipment which comprises a main supporting frame, a limiting frame is arranged on the outer surface of the main supporting frame, a supporting shaft rod is arranged on the inner wall of the limiting frame, and a supporting plate is rotationally connected to the outer surface of the supporting shaft rod. A connecting seat is arranged on the outer surface of the supporting plate, an adjusting rod is rotationally connected to the outer surface of the connecting seat, a first servo motor is arranged in the limiting frame, a transmission screw is arranged at one end of an output shaft of the first servo motor, a connecting ring is in transmission connection to the outer surface of the transmission screw, and a fixing seat part is arranged on the outer surface of the connecting ring. According to the conference screen projection equipment, through cooperative arrangement of the limiting frame, the adjusting rod, the first servo motor, the transmission screw rod, the connecting ring, the second servo motor, the transmission sleeve, the connecting plate and the projector body, the conference screen projection equipment has the effect of facilitating rapid storage and folding of the screen projection equipment.

Description

Technical Field

[0001] This utility model relates to the field of screen projection equipment technology, specifically a conference screen projection device. Background Technology

[0002] With the continuous development of the times and the increasing demands of work, more and more office tools have gradually developed well, effectively improving office efficiency and results. Among them, the most obvious example is the use and development of wireless real-time projection devices. The emergence of wireless real-time projection devices has great use in education, teaching and office planning. It can wirelessly connect to computers and mobile phones within a local area network, directly transmitting the screen of the mobile phone or computer to the display screen in real time. This eliminates the need for data exchange via USB flash drives, providing great convenience and having great practical significance in teaching and meetings.

[0003] Existing conference projection equipment is inconvenient to store after use, taking up a lot of space and causing inconvenience. At the same time, the location of some conference projection equipment is relatively fixed, making it inconvenient to move, which affects the user experience. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] In view of the shortcomings of the existing technology, this utility model provides a conference projection device that solves the problems mentioned in the background.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a conference projection device includes a main support frame. A limiting frame is provided on the outer surface of the main support frame. A support shaft is provided on the inner wall of the limiting frame. A support plate is rotatably connected to the outer surface of the support shaft. A connecting seat is provided on the outer surface of the support plate. An adjusting rod is rotatably connected to the outer surface of the connecting seat. A first servo motor is provided inside the limiting frame. A transmission screw is provided at one end of the output shaft of the first servo motor. A connecting ring is rotatably connected to the outer surface of the transmission screw. A fixed seat is provided on the outer surface of the connecting ring. The adjusting rod is rotatably connected inside the fixed seat. A second servo motor is provided at the upper end of the main support frame. An adjusting screw is provided at one end of the output shaft of the second servo motor. A transmission sleeve is rotatably connected to the outer surface of the adjusting screw. The transmission sleeve is slidably connected inside the main support frame. A connecting plate is provided on the outer surface of the transmission sleeve. A projector body is rotatably connected inside the connecting plate.

[0008] Optionally, the bottom of the support plate is provided with a mounting slot, and a ball is rolled inside the mounting slot.

[0009] Optionally, the side of the support plate is provided with a limiting block, the position of which is adapted to the position of the limiting block.

[0010] Optionally, the number of support plates is several, and they are evenly distributed on the outer surface of the main support frame.

[0011] Optionally, a limiting slide rod is provided on the back of the main support frame, a fixing plate is slidably connected to the outer surface of the limiting slide rod, a first spring is provided on the outer surface of the fixing plate, a limiting piece is provided at one end of the first spring, the limiting piece is provided at one end of the limiting slide rod, a limiting pin is provided on the outer surface of the fixing plate, and a control handle is provided on the side of the fixing plate away from the limiting pin.

[0012] Optionally, the projector body has a positioning hole, the position of which is adapted to the position of the limiting pin.

[0013] This utility model provides a conference projection device with the following beneficial effects:

[0014] 1. This conference projection device, through the coordinated arrangement of a limiting frame, adjusting rod, first servo motor, transmission screw, connecting ring, second servo motor, transmission sleeve, connecting plate and projector body, enables the conference projection device to be conveniently and quickly stored and folded.

[0015] 2. This conference projection device, through the combination of a support plate and a ball bearing, allows for easy and free movement of the projection device. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a side view of the structure of this utility model;

[0018] Figure 3 This is a three-dimensional structural diagram of the present invention viewed from below;

[0019] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A;

[0020] Figure 5 This is a schematic diagram of the three-dimensional structure of the projector body after it has been stored.

[0021] In the diagram: 1. Main support frame; 2. Limiting frame; 3. Support plate; 4. Adjusting rod; 5. First servo motor; 6. Transmission screw; 7. Connecting ring; 8. Second servo motor; 9. Adjusting screw; 10. Transmission sleeve; 11. Connecting plate; 12. Projector body; 13. Ball bearing; 14. Limiting block; 15. Limiting slide bar; 16. Fixing plate; 17. First spring; 18. Limiting pin; 19. Control handle. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Example

[0024] Please see Figures 1 to 5 This utility model provides a technical solution: a conference projection device, including a main support frame 1, a limiting frame 2 on the outer surface of the main support frame 1, a supporting shaft on the inner wall of the limiting frame 2, a supporting plate 3 rotatably connected to the outer surface of the supporting shaft, a connecting seat on the outer surface of the supporting plate 3, an adjusting rod 4 rotatably connected to the outer surface of the connecting seat, a first servo motor 5 inside the limiting frame 2, a transmission screw 6 at one end of the output shaft of the first servo motor 5, a connecting ring 7 rotatably connected to the outer surface of the transmission screw 6, a fixed seat on the outer surface of the connecting ring 7, and the adjusting rod 4 rotatably connected inside the fixed seat. A second servo motor 8 is provided at the upper end of the main support frame 1, an adjusting screw 9 at one end of the output shaft of the second servo motor 8, a transmission sleeve 10 rotatably connected to the outer surface of the adjusting screw 9, the transmission sleeve 10 slidably connected inside the main support frame 1, a connecting plate 11 on the outer surface of the transmission sleeve 10, and a projector body 12 rotatably connected inside the connecting plate 11.

[0025] Specifically, by controlling the rotation of the first servo motor 5, the transmission screw 6 is driven to rotate, which in turn drives the connecting ring 7 to move. Under the action of the adjusting rod 4, the support plate 3 is unfolded and stored, facilitating the setup and placement of the projection device. By rotating the second servo motor 8, the adjusting screw 9 is driven to rotate, moving the transmission sleeve 10 and the projector body 12 to the upper end of the main support frame 1. Then, the projector body 12 is rotated to a horizontal position for unfolding and use. After use, the projection cloth is stored, and then the projector body 12 is rotated so that it overlaps with the main support frame 1. The second servo motor 8 is reversed to move the projector body 12 down for storage, reducing the space occupied by the projector body 12.

[0026] Please see Figure 3 The bottom of the support plate 3 is provided with a mounting slot, and a ball bearing 13 is rolled inside the mounting slot.

[0027] Specifically, when the support plate 3 is unfolded, the ball 13 comes into contact with the ground, and the projector body 12 can be moved easily under the action of the ball 13.

[0028] Please see Figure 1 The side of the support plate 3 is provided with a limiting block 14, and the position of the limiting block 14 is adapted to the position of the limiting block.

[0029] Specifically, the limiting block 14 can limit the support plate 3 to prevent it from over-expanding.

[0030] Please refer to Figures 1-3. There are several support plates 3, which are evenly distributed on the outer surface of the main support frame 1.

[0031] Specifically, the multiple sets of support plates 3 can effectively ensure the stability of the projection device.

[0032] Please refer to 3-4. A limiting slide rod 15 is provided on the back of the main support frame 1. A fixing plate 16 is slidably connected to the outer surface of the limiting slide rod 15. A first spring 17 is provided on the outer surface of the fixing plate 16. A limiting piece is provided at one end of the first spring 17. The limiting piece is provided at one end of the limiting slide rod 15. A limiting pin 18 is provided on the outer surface of the fixing plate 16. A control handle 19 is provided on the side of the fixing plate 16 away from the limiting pin 18.

[0033] Specifically, when the projector body 12 is in a horizontal rotation state, the limiting pins 18 are engaged in the corresponding positioning holes to fix the position of the projector body 12 and prevent the projector body 12 from rotating freely. When the projector body 12 is in a vertical state, the limiting pins 18 are engaged on both sides of the projector body 12 to prevent the projector body 12 from rotating freely.

[0034] Please refer to 3. The projector body 12 has a positioning hole, and the position of the positioning hole is adapted to the position of the limiting post 18.

[0035] Specifically, the matching setting of the positioning hole and the limiting pin 18 can effectively ensure that the limiting pin 18 can be smoothly locked into the inside of the projector body 12 to complete the limiting.

[0036] In use, by controlling the rotation of the first servo motor 5, the transmission screw 6 is driven to rotate, which in turn drives the connecting ring 7 to move downwards, thereby driving the adjusting rod 4 to rotate, which in turn drives the support plate 3 to rotate along the support shaft, unfolding the support plate 3 until the limit block 14 is engaged with the limit frame 2. At this time, the support plate 3 is in a horizontal rotation state, and the ball 13 contacts the ground. Subsequently, the second servo motor 8 is rotated, driving the adjusting screw 9 to rotate, causing the transmission sleeve 10, the connecting plate 11, and the projector body 12 to move to the upper end of the main support frame 1. Then, the pull... The control handle 19 moves the fixing plate 16 and the limiting pin 18, compressing the first spring 17. Then, the projector body 12 is rotated to a horizontal position. Releasing the control handle 19 allows the limiting pin 18 to engage with the positioning hole under the force of the first spring 17, fixing the position of the projector body 12 (which includes the main body, projection cloth, and limiting strip, shown in the figure). The projector body 12 is then unfolded for projection. Simultaneously, the bottom ball 13 allows for easy... The projector body 12 can be moved freely for convenient use in different locations within the conference room. After use, the projection screen is stored away. The control handle 19 is pulled again to disengage the limiting pin 18 from the positioning hole. Then, the projector body 12 is rotated so that it overlaps with the main support frame 1. The control handle 19 is released, and the limiting pin 18 is locked onto both sides of the projector body 12 to prevent it from rotating freely. The second servo motor 8 is reversed to lower the projector body 12, reducing the height of the projection device and the space occupied by the projector body 12. Next, the first servo motor 5 is reversed to rotate, driving the transmission screw 6 to rotate, which in turn drives the connecting ring 7 to move upward, driving the adjusting rod 4 to rotate, thereby driving the support plate 3 to rotate along the support shaft. The support plate 3 is then moved into the limiting frame 2, completing the storage of the support plate 3 and reducing the space occupied by the projection device. This makes the conference projection device convenient for quick storage and folding, and also allows for free movement of the projection device.

[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A conference screen projection device comprising a main support frame, characterized in that: The outer surface of the main support frame is provided with a limiting frame, the inner wall of the limiting frame is provided with a support shaft rod, the outer surface of the support shaft rod is rotationally connected with a support plate, the outer surface of the support plate is provided with a connecting seat, the outer surface of the connecting seat is rotationally connected with an adjusting rod, the inside of the limiting frame is provided with a first servo motor, one end of the output shaft of the first servo motor is provided with a transmission screw rod, the outer surface of the transmission screw rod is transmissionally connected with a connecting ring, the outer surface of the connecting ring is provided with a fixing seat, the adjusting rod is rotationally connected in the inside of the fixing seat, the upper end of the main support frame is provided with a second servo motor, one end of the output shaft of the second servo motor is provided with an adjusting screw rod, the outer surface of the adjusting screw rod is transmissionally connected with a transmission sleeve, the transmission sleeve is slidingly connected in the inside of the main support frame, the outer surface of the transmission sleeve is provided with a connecting plate, the inside of the connecting plate is rotationally connected with a projector body.

2. The conference screen projection device according to claim 1, characterized in that: The bottom of the support plate is provided with a mounting clamping groove, and the inside of the mounting clamping groove is rollingly connected with a rolling ball.

3. The conference screen projection device according to claim 1, characterized in that: The side surface of the support plate is provided with a limiting clamping block, and the position of the limiting clamping block is matched with the position of the limiting block.

4. The conference screen projection device according to claim 1, characterized in that: The number of the support plates is several, which are evenly distributed on the outer surface of the main support frame.

5. The conference screen projection device according to claim 1, characterized in that: The back surface of the main support frame is provided with a limiting sliding rod, the outer surface of the limiting sliding rod is slidingly connected with a fixing plate, the outer surface of the fixing plate is provided with a first spring, one end of the first spring is provided with a limiting piece, the limiting piece is arranged at one end of the limiting sliding rod, the outer surface of the fixing plate is provided with a limiting clamping column, and the side of the fixing plate away from the limiting clamping column is provided with a control handle. 6.The conference screen projection device of claim 1, wherein: The body of the projector body is provided with a positioning hole, and the position of the positioning hole is matched with the position of the limiting clamping column.

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