Exhibition projection device
By introducing a combined adjustment mechanism of threaded rod, bevel gear and motor into the exhibition projection device, the problem of fixed height limitation is solved, and flexible adjustment of the height and angle of the projection device is realized, improving the audience experience and simplicity of operation.
Patent Information
- Application Number
- CN202421113569.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-05-21
AI Technical Summary
Common exhibition projection devices on the market adopt a fixed height installation method, which limits its application scenarios and the viewing experience of the audience.
An exhibition projection device including a mounting frame, an adjustment mechanism and a motor is designed. Through the combination of a threaded rod, a first bevel gear and a second bevel gear, the height and angle adjustment of the projection body can be achieved, and the user can easily pass the motor and rotate. Make precise adjustments.
It realizes flexible adjustment of the height and angle of the projection device, improves the viewing experience of the audience, simplifies the operation process, and improves the practicality of the device.
Smart Images
Figure CN222230111U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of exhibition projection, and in particular to an exhibition projection device. Background Art
[0002] With the rapid development of the exhibition industry, projection devices play an increasingly important role in various exhibitions. At present, the common exhibition projection devices on the market mostly adopt a fixed height installation method. This design limits the application scenarios of the projection device and the audience's viewing experience to a certain extent; therefore, we propose an exhibition projection device to solve this problem.
[0003] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content
[0004] In order to solve the problem that most common exhibition projection devices on the market currently adopt a fixed height installation method, which to a certain extent limits the application scenarios of the projection device and the audience's viewing experience, the present application provides an exhibition projection device.
[0005] The exhibition projection device provided in this application adopts the following technical solution:
[0006] An exhibition projection device comprises a mounting frame, the top of which is fixedly connected to a top plate, and an adjustment mechanism is arranged on the mounting frame; the adjustment mechanism comprises two threaded rods, the two threaded rods are rotatably connected to the inner side of the mounting frame, the tops of the two threaded rods are fixedly connected to a first bevel gear, the top of the mounting frame is fixedly connected to a motor, the output end of the motor is connected to a first transmission wheel via a coupling, the top of the mounting frame is fixedly connected to two connection blocks, and the inner sides of the two connection blocks are rotatably connected to the same rotating rod.
[0007] Preferably, two second bevel gears are fixedly connected to the outer side of the rotating rod, a second transmission wheel is fixedly connected to the outer side of the rotating rod, and the outer sides of the first transmission wheel and the second transmission wheel are rotationally connected via the same transmission belt.
[0008] Preferably, the outer sides of the first bevel gears are meshed with the second bevel gears, a connecting frame is provided on the front side of the mounting frame, and two moving blocks are fixedly connected to the outer sides of the connecting frame, and the two moving blocks are threadedly connected to the outer sides of the threaded rods.
[0009] Preferably, a bottom plate is provided at the bottom of the connecting frame, and a turning handle is threadedly connected to the inner side of the bottom plate.
[0010] Preferably, a rectangular block is installed on the outer side of the turning handle, and a projection body is arranged on the top of the bottom plate.
[0011] Preferably, a concave block is fixedly connected to the bottom of the projection body, and the rectangular block is hinged on the inner side of the concave block.
[0012] In summary, this application includes the following beneficial technical effects:
[0013] 1. The two second bevel gears drive the two meshing first bevel gears on the outside to rotate. When the two first bevel gears rotate, the first bevel gear drives the threaded rod fixedly connected at the bottom to rotate. Since the outside of the connecting frame is threadedly connected to the outside of the two threaded rods through two moving blocks, the rotation of the motor can drive the entire connecting frame to move up and down to adjust the upper and lower heights of the entire projection body. Through the adjustment mechanism, users can easily achieve precise adjustment of the height of the projection device without complicated mechanical operations;
[0014] 2. When the angle of the installed projection body needs to be adjusted, the staff can rotate the handle. Since the outer side of the handle is threadedly connected to the inner side of the base plate, rotating the handle can make the handle rise or fall along the inner side of the base plate. Because a rectangular block is installed on the outer side of the handle, the rectangular block is hinged on the inner side of the concave block, and the concave block is fixedly connected to the bottom of the projection body, the rotation of the handle can adjust the height of the projection body, and then adjust the angle of the entire projection body. The device is simple and practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the application;
[0016] Figure 2 is a structural schematic diagram of another viewing angle of an embodiment of the application;
[0017] Figure 3 It is a schematic diagram of the structure of the bottom of the connection frame of the embodiment of the application;
[0018] Figure 4 It is a schematic diagram of the structure of the motor and the like of the embodiment of the application;
[0019] Figure 5 It is a schematic diagram of the structure of the first bevel gear and the second bevel gear, etc. of the embodiment of the application.
[0020] Explanation of the accompanying drawings: 1. mounting frame; 2. top plate; 3. moving block; 4. connecting frame; 5. projection body; 6. bottom plate; 7. turning handle; 8. rectangular block; 9. concave block; 10. motor; 11. first transmission wheel; 12. transmission belt; 13. second transmission wheel; 14. rotating rod; 15. first bevel gear; 16. threaded rod; 17. connecting block; 18. second bevel gear. DETAILED DESCRIPTION
[0021] The following is combined with Figure 1-5 This application is described in further detail.
[0022] The present application embodiment discloses an exhibition projection device. Figure 1-5 , an exhibition projection device, including a mounting frame 1, a top plate 2 is fixedly connected to the top of the mounting frame 1, and an adjustment mechanism is arranged on the mounting frame 1; the adjustment mechanism includes two threaded rods 16, the two threaded rods 16 are rotatably connected to the inner side of the mounting frame 1, the tops of the two threaded rods 16 are fixedly connected to the first bevel gear 15, the top of the mounting frame 1 is fixedly connected to the motor 10, the output end of the motor 10 is connected to the first transmission wheel 11 through a coupling, the top of the mounting frame 1 is fixedly connected to two connecting blocks 17, the inner sides of the two connecting blocks 17 are rotatably connected to the same rotating rod 14; by starting the motor 10, the motor 10 drives the first transmission wheel 11 at the output end to rotate through the coupling, and when the first transmission wheel 11 rotates, the first transmission wheel 1 The motor 10 drives the transmission belt 12 at one end of the output shaft to rotate, thereby driving the second transmission wheel 13, the rotating rod 14 and the two second bevel gears 18 to rotate. When the two second bevel gears 18 rotate, the two second bevel gears 18 drive the two meshing first bevel gears 15 on the outside to rotate. When the two first bevel gears 15 rotate, the first bevel gears 15 drive the threaded rod 16 fixedly connected at the bottom to rotate. Since the outer side of the connecting frame 4 is threadedly connected to the outer sides of the two threaded rods 16 through the two moving blocks 3, the rotation of the motor 10 can drive the entire connecting frame 4 to move up and down, so as to adjust the upper and lower heights of the entire projection body 5. Through the adjustment mechanism, the user can easily realize the precise adjustment of the height of the projection device.
[0023] Reference Figure 1-5 Two second bevel gears 18 are fixedly connected to the outer side of the rotating rod 14 , and a second transmission wheel 13 is fixedly connected to the outer side of the rotating rod 14 . The outer sides of the first transmission wheel 11 and the second transmission wheel 13 are rotationally connected through the same transmission belt 12 .
[0024] Reference Figure 1-5 The outer sides of the first bevel gear 15 are meshed with the second bevel gear 18 . A connecting frame 4 is provided on the front side of the mounting frame 1 . Two moving blocks 3 are fixedly connected to the outer sides of the connecting frame 4 . The two moving blocks 3 are threadedly connected to the outer sides of the threaded rod 16 .
[0025] Reference Figure 1-5A base plate 6 is provided at the bottom of the connecting frame 4, a turning handle 7 is threadedly connected to the inner side of the base plate 6, a rectangular block 8 is installed on the outer side of the turning handle 7, and a projection body 5 is provided on the top of the base plate 6; by rotating the turning handle 7, since the outer side of the turning handle 7 is threadedly connected to the inner side of the base plate 6, the turning handle 7 can be rotated to make the turning handle 7 rise or fall along the inner side of the base plate 6, and because a rectangular block 8 is installed on the outer side of the turning handle 7, the rectangular block 8 is hinged on the inner side of the concave block 9, and the concave block 9 is fixedly connected to the bottom of the projection body 5, so the rotation of the turning handle 7 can adjust the height of the projection body 5, and then adjust the angle of the entire projection body 5.
[0026] Reference Figure 1-5 The bottom of the projection body 5 is fixedly connected with a concave block 9, and the rectangular block 8 is hinged on the inner side of the concave block 9; the outer side of the projection body 5 is hinged on the inner side of the connecting frame 4. When it is hinged on the inner side of the connecting frame 4, when the handle 7 pushes the projection body 5 to move up and down, the projection body 5 performs a circular motion along the hinged part.
[0027] The implementation principle of an exhibition projection device in the embodiment of the present application is as follows: when a staff member is using the device, the staff member can first place the device in a suitable position. When the height of the device needs to be adjusted, the staff member can start the motor 10. The motor 10 drives the first transmission wheel 11 at the output end to rotate through the coupling. When the first transmission wheel 11 rotates, the first transmission wheel 11 drives the transmission belt 12 at one end of the output shaft to rotate, thereby driving the second transmission wheel 13, the rotating rod 14 and the two second bevel gears 18 to rotate. When the two second bevel gears 18 rotate, the two second bevel gears 18 drive the two meshing first bevel gears 15 on the outside to rotate. When the two first bevel gears 15 rotate, the first bevel gear 15 drives the threaded rod 16 fixedly connected at the bottom to rotate. Since the outer side of the connecting frame 4 is threadedly connected to the outer sides of the two threaded rods 16 through the two moving blocks 3, the rotation of the motor 10 can drive the entire connecting frame 4 to move up and down to adjust the upper and lower heights of the entire projection body 5. Through the adjustment mechanism, the user can easily achieve precise adjustment of the height of the projection device without complicated mechanical operations.
[0028] When the angle of the installed projection body 5 needs to be adjusted, the staff can rotate the handle 7. Since the outer side of the handle 7 is threadedly connected to the inner side of the base plate 6, rotating the handle 7 can make the handle 7 rise or fall along the inner side of the base plate 6. Because a rectangular block 8 is installed on the outer side of the handle 7, the rectangular block 8 is hinged on the inner side of the concave block 9, and the concave block 9 is fixedly connected to the bottom of the projection body 5, the rotation of the handle 7 can adjust the height of the projection body 5, and then adjust the angle of the entire projection body 5. The device is simple and practical.
[0029] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;
[0030] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0031] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
[0032] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. An exhibition projection device, comprising a mounting frame (1), characterized in that: A top plate (2) is fixedly connected to the top of the mounting frame (1), and an adjustment mechanism is provided on the mounting frame (1); The adjustment mechanism comprises two threaded rods (16), the two threaded rods (16) are rotatably connected to the inner side of the mounting frame (1), the tops of the two threaded rods (16) are fixedly connected to a first bevel gear (15), the top of the mounting frame (1) is fixedly connected to a motor (10), the output end of the motor (10) is connected to a first transmission wheel (11) via a coupling, the top of the mounting frame (1) is fixedly connected to two connection blocks (17), and the inner sides of the two connection blocks (17) are rotatably connected to the same rotating rod (14).
2. The exhibition projection device according to claim 1, characterized in that: Two second bevel gears (18) are fixedly connected to the outer side of the rotating rod (14), a second transmission wheel (13) is fixedly connected to the outer side of the rotating rod (14), and the outer sides of the first transmission wheel (11) and the second transmission wheel (13) are rotationally connected via a same transmission belt (12).
3. The exhibition projection device according to claim 1, characterized in that: The outer sides of the first bevel gears (15) are meshed with the second bevel gears (18); a connecting frame (4) is provided on the front side of the mounting frame (1); two moving blocks (3) are fixedly connected to the outer sides of the connecting frame (4); and the two moving blocks (3) are threadedly connected to the outer sides of the threaded rods (16).
4. The exhibition projection device according to claim 3, characterized in that: A bottom plate (6) is provided at the bottom of the connection frame (4), and a turning handle (7) is threadedly connected to the inner side of the bottom plate (6).
5. The exhibition projection device according to claim 4, characterized in that: A rectangular block (8) is installed on the outer side of the turning handle (7), and a projection body (5) is arranged on the top of the bottom plate (6).
6. The exhibition projection device according to claim 5, characterized in that: A concave block (9) is fixedly connected to the bottom of the projection body (5), and the rectangular block (8) is hinged on the inner side of the concave block (9).