Multimedia projection equipment with adjustable component

Abstract

The utility model provides multimedia projection equipment with an adjustable component, which relates to the technical field of multimedia projection and comprises a base, a square sleeve is fixedly mounted on the outer top of the base, a connecting sleeve is fixedly mounted in the middle of the outer top of the square sleeve, an extension column is connected inside the connecting sleeve, and the extension column is fixedly connected with the base. An adjusting assembly used for driving the extension column to ascend and descend in the connecting sleeve is arranged in the square sleeve. According to the utility model, the driving motor is started, and under the meshing characteristic of the driving bevel gear and the driven bevel gear, the screw rod is driven to drive the extension column to move up and down in the connecting sleeve, so that the projection equipment body in the U-shaped frame is driven to carry out height adjustment in the vertical direction above the connecting sleeve; and under the meshing characteristic of the gear, the projection equipment body in the U-shaped frame is driven to perform angle adjustment in the horizontal direction, so that the projection equipment body can be adjusted according to different use environments.

Description

Technical Field

[0001] The utility model relates to the technical field of multimedia projection, in particular to a multimedia projection device with adjustable components. Background Art

[0002] Multimedia is a combination of various media, generally encompassing text, sound, and images. In computer systems, multimedia refers to a combination of two or more media for interactive human-computer information exchange and dissemination. Media used include text, images, photos, sound, animation, and video, as well as interactive features provided by programs. However, some existing multimedia projection devices utilize fixed projection angles, making them inconvenient in various environments.

[0003] For example, Chinese patent publication number CN220320890U discloses a multimedia projection device comprising a workbench, a locking mechanism, and an adjustment mechanism. This disclosure effectively expands the application scope of the multimedia projection device and thereby effectively improves its efficiency. However, during use, this patent makes it difficult to adjust the vertical height and horizontal angle of the projection device, resulting in poor practicality and hindering long-term use and widespread adoption. Therefore, those skilled in the art have provided a multimedia projection device with adjustable components to address the issues raised in the background art. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the present invention provides a multimedia projection device with adjustable components, which can effectively solve the problem in the background technology that it is inconvenient to adjust the vertical height and horizontal angle of the projection device, resulting in poor practicality and being unfavorable for long-term use and promotion.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a multimedia projection device with an adjustable component, comprising a base, a square sleeve fixedly mounted on the outer top of the base, a connecting sleeve fixedly mounted at the middle position of the outer top of the square sleeve, an extension column connected to the interior of the connecting sleeve, and an adjustment component disposed inside the square sleeve for driving the extension column to move up and down the height inside the connecting sleeve;

[0006] A U-shaped frame is rotatably connected to the outer top of the extension column through a driving shaft, and a projection device body is arranged on the inner side of the U-shaped frame. At the same time, a displacement component for driving the U-shaped frame to adjust the angle is also arranged on the top of the outer wall of the extension column.

[0007] As a further technical solution of the present invention, the adjusting assembly includes a rotating shaft rotatably connected to the top surface of the square sleeve, and a driven bevel gear is fixedly installed on the outer circumferential surface of the rotating shaft. At the same time, one end of the rotating shaft passes through the square sleeve and extends to the interior of the connecting sleeve, and is fixedly connected to the screw rod rotatably connected to the inner bottom surface of the connecting sleeve. The outer bottom of the extension column is sleeved on the outer circumferential surface of the screw rod through the threaded hole opened, and the inner side walls on both sides of the connecting sleeve are symmetrically provided with sliding grooves, and guide rods are fixedly installed on the inner bottom surfaces of the two groups of the sliding grooves, and the outer side walls on both sides of the extension column are slidably sleeved on the outer circumferential surfaces of the two groups of guide rods through fixed blocks.

[0008] As a further technical solution of the present invention, a rotating shaft is rotatably connected to the inner wall of the square sleeve, and a main bevel gear is fixedly sleeved on the outer peripheral surface of the rotating shaft. At the same time, one end of the rotating shaft extends to the outer wall of the square sleeve and is fixedly connected to the output end of the driving motor fixedly installed on the outer top of the base, and the main bevel gear and the driven bevel gear are meshed.

[0009] As a further technical solution of the present invention, the displacement assembly includes a mounting block fixedly mounted on the top of the outer side wall of the extension column, a connecting rod is rotatably connected at the center position of the outer top of the mounting block, a first gear is fixedly mounted on the outer peripheral surface of the connecting rod, one end of the connecting rod extends to the outer bottom of the mounting block, and a first knob is also fixedly mounted on the outer peripheral surface of the connecting rod, a second gear is fixedly mounted on the outer peripheral surface of the drive shaft, and the first gear and the second gear are meshedly connected;

[0010] The inner side walls of both sides of the U-shaped frame are rotatably connected with fixing rods, and the ends of the two groups of fixing rods corresponding to each other are fixedly connected to the outer side walls of the projection device body on both sides.

[0011] As a further technical solution of the present invention, one end of the two groups of fixing rods extends to the outer side walls of both sides of the U-shaped frame, and a second knob is fixedly installed on the outer peripheral surface of one group of the fixing rods.

[0012] As a further technical solution of the present invention, sliding wheels are fixedly installed on the four corners of the outer bottom of the base.

[0013] The utility model provides a multimedia projection device with adjustable components, which has the following beneficial effects compared with the prior art:

[0014] 1. A multimedia projector with an adjustable component. When in use, a drive motor is used as a power source. Under the meshing characteristics of master and slave bevel gears, a lead screw is driven to drive an extension column to move back and forth up and down inside a connecting sleeve, thereby driving a projection device body in a U-shaped frame to adjust the height in the vertical direction above the connecting sleeve. At the same time, by turning a first knob and under the meshing characteristics of the gears, the projection device body in the U-shaped frame is driven to adjust the angle in the horizontal direction. Thus, the projection device body can be adjusted according to different usage environments, effectively expanding the working scope of the multimedia projector and improving the working efficiency of the multimedia projector.

[0015] 2. A multimedia projection device with an adjustable component, which drives the fixed rod to drive the projection device body to make fine adjustments to the tilt angle through the second knob, and cooperates with the horizontal angle adjustment to enable the projection device body to better perform projection work, thereby further improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the three-dimensional structure of a multimedia projection device with adjustable components;

[0017] Figure 2 A schematic diagram of a cross-sectional three-dimensional structure of a multimedia projection device having adjustable components;

[0018] Figure 3 A schematic diagram of a cross-sectional three-dimensional structure of an adjustment component of a multimedia projection device having an adjustable component;

[0019] Figure 4 The figure is a schematic diagram of the three-dimensional structure of a displacement component of a multimedia projection device with an adjustable component.

[0020] In the figure: 1. Base; 2. Square sleeve; 3. Connecting sleeve; 4. Extension column; 5. U-shaped frame; 6. Projection device body; 7. Rotating shaft; 8. Driven bevel gear; 9. Screw; 10. Threaded hole; 11. Slide groove; 12. Guide rod; 13. Fixed block; 14. Rotating shaft; 15. Main bevel gear; 16. Drive motor; 17. Mounting block; 18. Connecting rod; 19. First gear; 20. First knob; 21. Second gear; 22. Drive shaft; 23. Fixed rod; 24. Second knob; 25. Sliding wheel. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-4 As shown, a multimedia projection device with an adjustable component includes a base 1, a square sleeve 2 is fixedly installed on the outer top of the base 1, a connecting sleeve 3 is fixedly installed at the middle position of the outer top of the square sleeve 2, an extension column 4 is connected to the interior of the connecting sleeve 3, and an adjustment component for driving the extension column 4 to move up and down inside the connecting sleeve 3 is provided inside the square sleeve 2. The adjustment component includes a rotating shaft rod 7 rotatably connected to the inner top surface of the square sleeve 2, and a driven bevel gear 8 is fixedly installed on the outer circumferential surface of the rotating shaft rod 7. At the same time, one end of the rotating shaft rod 7 passes through the square sleeve 2 and extends to the interior of the connecting sleeve 3, and is fixedly connected to a screw rod 9 rotatably connected to the inner bottom surface of the connecting sleeve 3. The outer bottom of the extension column 4 is opened by The threaded hole 10 is sleeved on the outer circumferential surface of the screw rod 9, and the inner side walls on both sides of the connecting sleeve 3 are symmetrically provided with slide grooves 11. The inner bottom surfaces of the two sets of slide grooves 11 are fixedly installed with guide rods 12. The outer side walls of both sides of the extension column 4 are slidably sleeved on the outer circumferential surfaces of the two sets of guide rods 12 through fixed blocks 13. The inner side wall of the square sleeve 2 is rotatably connected with a rotating shaft 14, and the outer circumferential surface of the rotating shaft 14 is fixedly sleeved with a main bevel gear 15. At the same time, one end of the rotating shaft 14 extends to the outer side wall of the square sleeve 2 and is fixedly connected to the output end of a drive motor 16 fixedly mounted on the outer top of the base 1. The main bevel gear 15 and the driven bevel gear 8 are meshedly connected, and sliding wheels 25 are fixedly mounted on the four corners of the outer bottom of the base 1. During operation, the sliding wheel 25 rolls to drive the rapid movement of the projection device. After reaching the working area, the driving motor 16 is started as needed to drive the rotating shaft 14 to drive the main bevel gear 15 to rotate, and synchronously drives the driven bevel gear 8 to rotate under the meshing characteristics, thereby making the rotating shaft 7 drive the screw rod 9 to rotate in the threaded hole 10, thereby driving the extension column 4 to move up and down inside the connecting sleeve 3, so as to realize the vertical height adjustment of the projection device body 6 to meet the use requirements of different heights. At the same time, in the process of up and down lifting, the fixed block 13 slides on the surface of the guide rod 12, so that the extension column 4 can be lifted and lowered more stably.

[0023] The outer top of the extension column 4 is rotatably connected to the U-shaped frame 5 through the drive shaft 22, and the projection device body 6 is provided on the inner side of the U-shaped frame 5. At the same time, a displacement component for driving the U-shaped frame 5 to adjust the angle is also provided on the top of the outer wall of the extension column 4. The displacement component includes a mounting block 17 fixedly mounted on the top of the outer wall of the extension column 4. The center position of the outer top of the mounting block 17 is rotatably connected to a connecting rod 18. A first gear 19 is fixedly mounted on the outer peripheral surface of the connecting rod 18. At the same time, one end of the connecting rod 18 extends to the outer bottom of the mounting block 17. , and a first knob 20 is also fixedly installed on the outer circumferential surface of the connecting rod 18, a second gear 21 is fixedly installed on the outer circumferential surface of the driving shaft 22, and the first gear 19 and the second gear 21 are meshedly connected, and fixed rods 23 are rotatably connected to the inner side walls of both sides of the U-shaped frame 5. The corresponding ends of the two groups of fixed rods 23 are fixedly connected to the outer side walls of both sides of the projection device body 6, and one end of the two groups of fixed rods 23 extends to the outer side walls of both sides of the U-shaped frame 5, and a second knob 24 is also fixedly installed on the outer circumferential surface of one group of fixed rods 23. After the projection device reaches the required height, in order to better perform the projection work, first turn the first knob 20 to drive the connecting rod 18 to drive the first gear 19 to rotate, and under the meshing characteristics of the gears, synchronously drive the second gear 21 to rotate, so that the driving shaft 22 drives the U-shaped frame 5 to adjust the horizontal angle in all aspects. At the same time, turn the second knob 24 to drive the fixing rod 23 to drive the projection device body 6 to fine-tune the tilt angle inside the U-shaped frame 5. In conjunction with the horizontal angle adjustment, the projection device body 6 can be adjusted according to different usage environments, effectively expanding the working application range of the multimedia projection device and improving the working efficiency of the multimedia projection device.

[0024] The working principle of the present utility model is as follows: when working, the multimedia projection device is moved to the working area by rotating the sliding wheel 25, and then, according to needs, the driving motor 16 is started to drive the rotating shaft 14 to drive the main bevel gear 15 to rotate, and synchronously drives the driven bevel gear 8 to rotate under the meshing characteristics, so that the rotating shaft 7 drives the screw rod 9 to rotate in the threaded hole 10, thereby driving the extension column 4 to move up and down inside the connecting sleeve 3, so as to realize the vertical height adjustment of the projection device body 6. At the same time, in the process of up and down lifting, the fixed block 13 slides on the surface of the guide rod 12, so that the extension column 4 can be lifted up and down more stably.

[0025] After the projection device reaches the desired height, turn the first knob 20 to drive the connecting rod 18 to drive the first gear 19 to rotate, and under the meshing characteristics of the gears, synchronously drive the second gear 21 to rotate, thereby causing the driving shaft 22 to drive the U-shaped frame 5 to adjust the horizontal angle in all directions.

[0026] At the same time, by turning the second knob 24, the fixing rod 23 is driven to drive the projection device body 6 to slightly adjust the tilt angle inside the U-shaped frame 5. Combined with the horizontal angle adjustment, the projection device body 6 can be adjusted according to different usage environments, effectively expanding the working scope of the multimedia projection device and improving the working efficiency of the multimedia projection device.

[0027] The above description is merely a preferred embodiment of the present invention. It should be noted that those skilled in the art may make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications should be considered within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described or explained in this invention shall, unless otherwise specified or limited, be implemented in accordance with conventional means in the art.

Claims

1. A multimedia projection device with adjustable components, characterized in that: The invention comprises a base (1), a square sleeve (2) is fixedly mounted on the outer top of the base (1), a connecting sleeve (3) is fixedly mounted at the middle position of the outer top of the square sleeve (2), an extension column (4) is connected to the interior of the connecting sleeve (3), and an adjusting component for driving the extension column (4) to move up and down inside the connecting sleeve (3) is arranged inside the square sleeve (2); A U-shaped frame (5) is rotatably connected to the outer top of the extension column (4) via a driving shaft (22), and a projection device body (6) is arranged on the inner side of the U-shaped frame (5). At the same time, a displacement component for driving the U-shaped frame (5) to adjust the angle is also arranged on the top of the outer side wall of the extension column (4).

2. A multimedia projection device with adjustable components according to claim 1, characterized in that: The adjusting assembly comprises a rotating shaft (7) rotatably connected to the inner top surface of the square sleeve (2), and a driven bevel gear (8) is fixedly installed on the outer peripheral surface of the rotating shaft (7), and one end of the rotating shaft (7) passes through the square sleeve (2) and extends to the inside of the connecting sleeve (3), and is fixedly connected to a screw rod (9) rotatably connected to the inner bottom surface of the connecting sleeve (3), the outer bottom of the extension column (4) is sleeved on the outer peripheral surface of the screw rod (9) through a threaded hole (10), the inner side walls on both sides of the connecting sleeve (3) are symmetrically provided with sliding grooves (11), and guide rods (12) are fixedly installed on the inner bottom surfaces of the two groups of the sliding grooves (11), and the outer side walls on both sides of the extension column (4) are slidably sleeved on the outer peripheral surfaces of the two groups of the guide rods (12) through fixed blocks (13).

3. A multimedia projection device with adjustable components according to claim 2, characterized in that: A rotating shaft (14) is rotatably connected to the inner wall of the square sleeve (2), and a main bevel gear (15) is fixedly sleeved on the outer peripheral surface of the rotating shaft (14). At the same time, one end of the rotating shaft (14) extends to the outer wall of the square sleeve (2) and is fixedly connected to the output end of a driving motor (16) fixedly installed on the outer top of the base (1), and the main bevel gear (15) and the driven bevel gear (8) are meshingly connected.

4. The multimedia projection device with adjustable components according to claim 1, characterized in that: The displacement assembly comprises a mounting block (17) fixedly mounted on the top of the outer side wall of the extension column (4); a connecting rod (18) is rotatably connected at the center position of the outer top of the mounting block (17); a first gear (19) is fixedly mounted on the outer peripheral surface of the connecting rod (18); one end of the connecting rod (18) extends to the outer bottom of the mounting block (17); a first knob (20) is also fixedly mounted on the outer peripheral surface of the connecting rod (18); a second gear (21) is fixedly mounted on the outer peripheral surface of the driving shaft (22); and the first gear (19) and the second gear (21) are meshingly connected; The inner side walls of both sides of the U-shaped frame (5) are rotatably connected with fixing rods (23), and the corresponding ends of the two sets of fixing rods (23) are fixedly connected to the outer side walls of both sides of the projection device body (6).

5. A multimedia projection device with adjustable components according to claim 4, characterized in that: One end of the two groups of fixing rods (23) extends to the outer side walls of the U-shaped frame (5) on both sides, and a second knob (24) is fixedly mounted on the outer peripheral surface of one group of fixing rods (23).

6. The multimedia projection device with adjustable components according to claim 1, characterized in that: Sliding wheels (25) are fixedly mounted at the four corners of the outer bottom of the base (1).

Images