Video conference room projection auxiliary equipment
By designing an additional mechanism, the projector angle can be automatically adjusted and dustproofed and cooled, solving the problem of manual adjustment that requires climbing to a height in the existing technology, and improving the ease of operation and equipment maintenance efficiency.
Patent Information
- Application Number
- CN202520524983.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Existing projector mounts require manual operation from a height when adjusting the projector angle, which is inconvenient.
An additional mechanism, including a motor, rotating shaft, helical gear, double threaded rod, threaded sleeve, and dust cover, is used to achieve automatic angle adjustment of the projector in the horizontal and vertical directions via motor drive, and a fan is provided for heat dissipation and dust prevention.
It enables automatic adjustment of the projector angle, is easy to operate, and keeps the projector clean and provides good heat dissipation.
Smart Images

Figure CN223794955U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of projection auxiliary equipment, specifically to a projection auxiliary equipment for video conference rooms. Background Technology
[0002] A projector, also known as a projector, is a device that amplifies and projects images or video signals onto a screen or other display surface using an optical system. It is widely used in video conferencing rooms and is an important component of modern display technology. To improve projection quality, projectors are often mounted on other devices. For example, patent application number 201610632904.5 discloses a projector mount, including a U-shaped upper mount and a U-shaped lower mount. The lower mount is located below the upper mount, with the upper mount opening upwards and the lower mount opening downwards. A rotating shaft is provided between the upper mount and the lower mount, with one end fixedly connected to the top of the lower mount and the other end passing through the upper mount. The projector mount has a bottom section that rotatably engages with the U-shaped upper bracket. An angle adjustment device is located at one end of the rotating shaft passing through the bottom of the U-shaped upper bracket. The angle adjustment device includes an adjusting cap and a locking bolt. The adjusting cap is fitted onto the rotating shaft and fixedly connected to it. One end of the locking bolt passes through the end face of the adjusting cap and extends to the bottom of the U-shaped upper bracket. A projector mounting plate is located at the opening of the U-shaped lower bracket, and rotating shafts are located at both ends of the mounting plate. The rotating shafts at both ends of the projector mounting plate pass through the two sides of the opening of the U-shaped lower bracket and are threaded into nuts. This projector mount offers the following advantages: it has a simple structure, is easy to install, and allows for convenient adjustment of the projector angle.
[0003] However, the patent still has the following drawbacks: because the U-shaped bracket is connected to the wall and is installed at a high height, it is necessary to climb up and manually adjust the angle adjustment device and the projector mounting plate, which is very inconvenient to operate. Utility Model Content
[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a video conference room projection auxiliary device that can automatically adjust the projection angle of the projector in the horizontal and vertical directions, so that the product does not require manual adjustment by climbing, making it very convenient to operate.
[0005] According to the technical solution provided by the embodiments of this utility model, a video conference room projection auxiliary device includes an additional mechanism. The additional mechanism includes a first support, a fixed plate, a motor, a rotating shaft, a first helical gear, a double-threaded rod, a second helical gear, a threaded sleeve, a connecting plate, a dust cover, a sliding plate, and a second support. The fixed plate is fixedly installed inside the first support, and the motor is fixedly installed on the side of the fixed plate. The side of the fixed plate has an opening corresponding to the output shaft of the motor. The rotating shaft is connected to the output shaft of the motor through a coupling. The first helical gear is fixedly installed on the outside of the rotating shaft, and the double-threaded rod is connected to the motor through a coupling. The bearing is connected to the first support. The second helical gear is fixedly installed on the outside of the double-threaded rod, and the second helical gear meshes with the first helical gear. The outside of the double-threaded rod is provided with a first thread and a second thread. One side of the threaded sleeve is screwed to the first thread, and the other side of the threaded sleeve is screwed to the second thread. The mating plate is fixedly connected between the dust cover and the threaded sleeve. The side of the first support is provided with a first sliding opening that matches the mating plate. The sliding plate is fixedly connected to the dust cover. The inside of the second support is provided with a sliding groove that matches the sliding plate. The side of the second support is provided with a sliding groove that matches the sliding plate. A matching second sliding opening, the end of the sliding plate extending into the sliding groove through the second sliding opening; the bottom of the dust cover is a closed structure, and the top of the dust cover is an open structure; mounting blocks are fixedly installed on the left and right sides of the first support and the second support respectively; the surface of the mounting blocks is provided with mounting holes; a connecting plate is fixedly connected between the first support and the second support; the dust cover slides in contact with the connecting plate, the first support, and the second support respectively; a first adjusting mechanism is installed below the connecting plate, and the first adjusting mechanism includes... The system includes a first rod body, a second rod body, a first rotating plate, a first electric push rod, a docking block, and a synchronous shaft. The first rod body is fixedly installed below the connecting plate, the second rod body is fixedly connected between the left and right sides of the first rod body, the first rotating plate is rotatably connected to the second rod body, the first electric push rod is hinged between the first rotating plate and one side of the first rod body, the docking block is fixedly installed between the first rotating plate and the synchronous shaft, and a second adjusting mechanism is installed at the bottom of the synchronous shaft. The second adjusting mechanism includes a third rod body, a fourth rod body, a second rotating plate, a horizontal seat, and a second electric push rod.The bottom of the horizontal seat has an air inlet. The upper third rod is fixedly installed at the bottom of the synchronous shaft. The fourth rod is fixedly connected between the upper and lower third rods. The second rotating plate is rotatably connected to the fourth rod. The horizontal seat is fixedly installed on the side of the second rotating plate. The second electric push rod is hinged between the horizontal seat and one side of the third rod. The dust cover is located on the left and right sides of the first and second adjusting mechanisms, respectively. An auxiliary plate is installed on the top of the horizontal seat with countersunk screws. A fan is installed below the auxiliary plate with screws. The surface of the auxiliary plate has an air outlet. The interior of the horizontal seat has a slot, and the fan is located in the slot.
[0006] In summary, the beneficial effects of this utility model are as follows:
[0007] 1. With the setting of the first adjustment mechanism and the second adjustment mechanism, the projection angle of the projector in the horizontal and vertical directions can be automatically adjusted, so that the product does not need to be manually adjusted by climbing, making it very convenient to operate;
[0008] 2. The additional mechanism and connecting plate can protect the projector from dust when not in use, which helps to keep the projector clean.
[0009] 3. With the auxiliary board and fan, the fan can blow air near the projector, which is beneficial for the projector's heat dissipation. Attached Figure Description
[0010] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0011] Figure 1 This is a schematic diagram of the structure of this utility model;
[0012] Figure 2 This is a side view of the connection between the first support, the second support, the mounting block, and the connecting plate of this utility model.
[0013] Figure 3 This is a top view of the additional mechanism of this utility model;
[0014] Figure 4 This is a top view of the first adjustment mechanism of this utility model.
[0015] Figure 5 This is a side view of the connection between the second adjustment mechanism, the auxiliary plate, and the fan of this utility model.
[0016] The following are the labeling elements in the diagram: 1. Additional mechanism; 2. First support; 3. Fixed plate; 4. Motor; 5. Rotating shaft; 6. First helical gear; 7. Double threaded rod; 8. Second helical gear; 9. Screw sleeve; 10. Connecting plate; 11. Dust cover; 13. Sliding plate; 14. Second support; 15. Mounting block; 16. Connecting plate; 17. First adjusting mechanism; 18. First rod; 19. Second rod; 20. First rotating plate; 21. First electric push rod; 22. Connecting block; 23. Synchronous shaft; 24. Second adjusting mechanism; 25. Third rod; 26. Fourth rod; 27. Second rotating plate; 28. Horizontal seat; 29. Second electric push rod; 30. Auxiliary plate; 31. Fan. Detailed Implementation
[0017] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings.
[0018] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.
[0019] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A video conference room projection auxiliary device includes an auxiliary mechanism 1, which comprises a first support 2, a fixing plate 3, a motor 4, a rotating shaft 5, a first helical gear 6, a double-threaded rod 7, a second helical gear 8, a threaded sleeve 9, a docking plate 10, a dust cover 11, a sliding plate 13, and a second support 14; mounting blocks 15, which are respectively fixedly installed on the left and right sides of the first support 2 and the second support 14; a connecting plate 16, which is fixedly connected between the first support 2 and the second support 14; and a first adjustment mechanism 17, which is installed on... Below the connecting plate 16, the first adjusting mechanism 17 includes a first rod 18, a second rod 19, a first rotating plate 20, a first electric push rod 21, a docking block 22, and a synchronous shaft 23; the second adjusting mechanism 24 is installed at the bottom of the synchronous shaft 23, and includes a third rod 25, a fourth rod 26, a second rotating plate 27, a horizontal seat 28, and a second electric push rod 29; the auxiliary plate 30 is installed on top of the horizontal seat 28 by countersunk screws, and a fan 31 is installed below the auxiliary plate 30 by screws.
[0020] like Figure 1 , Figure 2 and Figure 3 As shown, the fixing plate 3 is fixedly installed inside the first support 2, the motor 4 is fixedly installed on the side of the fixing plate 3, and the side of the fixing plate 3 is provided with an opening corresponding to the output shaft of the motor 4, which facilitates the passage of the output shaft of the motor 4. The rotating shaft 5 is connected to the output shaft of the motor 4 through a coupling. The first helical gear 6 is fixedly installed on the outside of the rotating shaft 5. The double threaded rod 7 is connected to the first support 2 through a bearing. The second helical gear 8 is fixedly installed on the outside of the double threaded rod 7. The second helical gear 8 meshes with the first helical gear 6. The outside of the double threaded rod 7 is provided with a first thread and a second thread. The threaded sleeve 9 on one side is screwed to the first thread, and the threaded sleeve 9 on the other side is screwed to the second thread. The docking plate 10 is fixedly connected between the dust cover 11 and the screw sleeve 9. The side of the first support 2 is provided with a first sliding opening that matches the docking plate 10, which facilitates the movement of the docking plate 10. The sliding plate 13 is fixedly connected to the dust cover 11. The interior of the second support 14 is provided with a sliding groove that matches the sliding plate 13. The side of the second support 14 is provided with a second sliding opening that matches the sliding plate 13. The end of the sliding plate 13 passes through the second sliding opening and extends into the sliding groove, so that the sliding plate 13 can slide along the sliding groove. The bottom of the dust cover 11 is a closed structure, and the top of the dust cover 11 is an open structure. The dust cover 11 is in sliding contact with the connecting plate 16, the first support 2, and the second support 14, respectively.
[0021] like Figure 1 , Figure 2 and Figure 4 As shown, the surface of the mounting block 15 is provided with mounting holes, which facilitates the installation of this product. The bottom of the horizontal seat 28 is provided with an air inlet, and the surface of the auxiliary plate 30 is provided with an air outlet. The first rod 18 is fixedly installed below the connecting plate 16, the second rod 19 is fixedly connected between the left and right sides of the first rod 18, the first rotating plate 20 is rotatably connected to the second rod 19, the first electric push rod 21 is hinged between the first rotating plate 20 and one side of the first rod 18, and the docking block 22 is fixedly installed between the first rotating plate 20 and the synchronous shaft 23.
[0022] like Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, the upper third rod 25 is fixedly installed at the bottom of the synchronous shaft 23, the fourth rod 26 is fixedly connected between the upper and lower third rods 25, the second rotating plate 27 is rotatably connected to the fourth rod 26, the horizontal seat 28 is fixedly installed on the side of the second rotating plate 27, and the second electric push rod 29 is hinged between the horizontal seat 28 and one side of the third rod 25. The horizontal seat 28 has a slot inside to facilitate the storage of the fan 31, the fan 31 is located in the slot, and the dust cover 11 is located on the left and right sides of the first adjusting mechanism 17 and the second adjusting mechanism 24, respectively.
[0023] This product also includes a controller (not shown in the figure). The first electric push rod 21, the second electric push rod 29, and the motor 4 are electrically connected to the controller, which facilitates control.
[0024] In use: First, fix the projector on the auxiliary plate 30 and install the controller on the wall of the video conference room. Then, use bolts to install the mounting block 15 on the wall of the video conference room. Next, activate the first electric push rod 21 of the first adjustment mechanism 17, which can drive the first rotating plate 20, the synchronous shaft 23 and the second adjustment mechanism 24 to rotate, which can automatically adjust the projection angle of the projector in the horizontal direction. Then, activate the second electric push rod 29, which can drive the second rotating plate 27 and the horizontal seat 28 to rotate, which can automatically adjust the projection angle of the projector in the vertical direction. This makes the product very convenient to operate without the need for manual adjustment by climbing. During the projection process... The fan 31 can be started, which blows air near the projector, which helps to dissipate heat from the projector. When the projector is not in use, the second rotating plate 27 and the horizontal seat 28 are in a horizontal state, and the first rotating plate 20 is in a vertical state. Then the motor 4 of the auxiliary mechanism 1 is started. The motor 4 can drive the rotating shaft 5 and the first helical gear 6 to rotate. The first helical gear 6 can drive the second helical gear 8 and the double threaded rod 7 to rotate. The double threaded rod 7 can drive the screw sleeves 9 on both sides, the docking plate 10, the dust cover 11 and the sliding plate 13 to move closer to each other, so that the dust cover 11 can cover the outside of the projector, which can protect the projector from dust when it is not in use and help to keep the projector clean.
[0025] The above description is merely a preferred embodiment of this utility model and an explanation of the technical principles and solutions employed. Furthermore, the scope of this invention is not limited to the specific combinations of the above-described technical features, but also includes other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in this utility model.
Claims
1. A projection auxiliary device for video conference rooms, characterized in that: Includes an additional mechanism (1), which includes a first support (2), a fixing plate (3), a motor (4), a rotating shaft (5), a first helical gear (6), a double threaded rod (7), a second helical gear (8), a threaded sleeve (9), a docking plate (10), a dust cover (11), a sliding plate (13), and a second support (14); Mounting blocks (15) are fixedly installed on the left and right sides of the first support (2) and the second support (14), respectively; A connecting plate (16) is fixedly connected between the first support (2) and the second support (14); The first adjustment mechanism (17) is installed below the connecting plate (16). The first adjustment mechanism (17) includes a first rod (18), a second rod (19), a first rotating plate (20), a first electric push rod (21), a docking block (22), and a synchronous shaft (23). The second adjustment mechanism (24) is installed at the bottom of the synchronous shaft (23). The second adjustment mechanism (24) includes a third rod (25), a fourth rod (26), a second rotating plate (27), a horizontal seat (28), and a second electric push rod (29). An auxiliary plate (30) is mounted on top of the horizontal seat (28) by countersunk screws, and a fan (31) is mounted below the auxiliary plate (30) by screws.
2. The video conference room projection auxiliary device according to claim 1, characterized in that: The fixing plate (3) is fixedly installed inside the first support (2), the motor (4) is fixedly installed on the side of the fixing plate (3), the side of the fixing plate (3) is provided with an opening corresponding to the output shaft of the motor (4), the rotating shaft (5) is connected to the output shaft of the motor (4) through a coupling, the first helical gear (6) is fixedly installed on the outside of the rotating shaft (5), the double threaded rod (7) is connected to the first support (2) through a bearing, the second helical gear (8) is fixedly installed on the outside of the double threaded rod (7), the second helical gear (8) meshes with the first helical gear (6), the outside of the double threaded rod (7) is provided with a first thread and a second thread, one side of the threaded sleeve (9) is screwed to the first thread, and the other side of the threaded sleeve (9) is screwed to the second thread.
3. The video conference room projection auxiliary device according to claim 1, characterized in that: The docking plate (10) is fixedly connected between the dust cover (11) and the screw sleeve (9). The side of the first support (2) is provided with a first sliding opening that matches the docking plate (10). The sliding plate (13) is fixedly connected to the dust cover (11). The interior of the second support (14) is provided with a sliding groove that matches the sliding plate (13). The side of the second support (14) is provided with a second sliding opening that matches the sliding plate (13). The end of the sliding plate (13) passes through the second sliding opening and extends into the sliding groove. The bottom of the dust cover (11) is a closed structure, and the top of the dust cover (11) is an open structure. The dust cover (11) slides in contact with the connecting plate (16), the first support (2), and the second support (14) respectively.
4. A video conference room projection auxiliary device according to claim 1, characterized in that: The surface of the mounting block (15) is provided with mounting holes, the bottom of the horizontal seat (28) is provided with an air inlet, and the surface of the auxiliary plate (30) is provided with an air outlet.
5. A video conference room projection auxiliary device according to claim 1, characterized in that: The first rod (18) is fixedly installed below the connecting plate (16), the second rod (19) is fixedly connected between the first rods (18) on the left and right sides, the first rotating plate (20) is rotatably connected to the second rod (19), the first electric push rod (21) is hinged between the first rotating plate (20) and the first rod (18) on one side, and the docking block (22) is fixedly installed between the first rotating plate (20) and the synchronous shaft (23).
6. A video conference room projection auxiliary device according to claim 1, characterized in that: above... The third rod (25) is fixedly installed at the bottom of the synchronous shaft (23), the fourth rod (26) is fixedly connected between the upper and lower third rods (25), the second rotating plate (27) is rotatably connected to the fourth rod (26), the horizontal seat (28) is fixedly installed on the side of the second rotating plate (27), and the second electric push rod (29) is hinged between the horizontal seat (28) and one side of the third rod (25).
7. A video conference room projection auxiliary device according to claim 1, characterized in that: The horizontal seat (28) has a slot inside, the fan (31) is located in the slot, and the dust cover (11) is located on the left and right sides of the first adjustment mechanism (17) and the second adjustment mechanism (24), respectively.
Citation Information
Patent Citations
Projector hanging bracket
CN106051423A