Angle-adjustable digital media projection device

Abstract

The utility model relates to the field of digital-media projection devices, in particular to an angle-adjustable digital-media projection device, which adopts the technical scheme that the angle-adjustable digital-media projection device comprises a projector, a battery box, a support frame, a rotating shaft, a first motor and a fixed frame, the projector is inserted into the front end of the battery box, a supporting frame is arranged below the battery box, the bottom end of the battery box is fixedly connected with a rotating shaft, a first motor used for driving the rotating shaft to rotate is installed in the supporting frame, and a fixing frame is arranged on the rear side of the supporting frame and installed below a ceiling. According to the utility model, the conventional digital-medium projection device is improved, the rotating shaft is additionally arranged below the battery box for supplying power to the projector, the first motor is additionally arranged in the support frame, and the rotating shaft is driven to rotate by the first motor, so that the projector inserted at the front end of the battery box is driven to rotate together, and the projection angle is changed according to the projection requirement; the universality of the projection device is improved, and the watching experience of projection pictures is improved.

Description

Technical Field

[0001] This utility model belongs to the field of digital media projection devices, specifically relating to an angle-adjustable digital media projection device. Background Art

[0002] Digital media studies, which involve recording, processing, disseminating, and acquiring information carriers such as digitized text, graphics, images, sound, food images, and animations using binary numbers, often require the use of projection devices to display these information carriers to students during teaching.

[0003] Currently, existing digital media projection devices are often fixedly installed on the classroom ceiling and do not have the ability to adjust the angle. This sometimes leads to distortion and deformation of the projected image, affecting the viewing experience.

[0004] Therefore, in response to the problem that existing digital media projection devices are fixedly installed on the classroom ceiling and lack the ability to adjust the angle, resulting in trapezoidal distortion or image tilt in the projected image, an improvement is made to the existing digital media projection devices by designing an angle-adjustable digital media projection device. A rotating shaft is set below the battery box that powers the projector, and a motor installed in the bracket drives the rotating shaft to rotate, thereby changing the angle of the projector. Utility Model Content

[0005] To overcome the problem that existing digital media projection devices are fixedly installed on the classroom ceiling and do not have the ability to adjust the angle, which affects the viewing experience.

[0006] The technical solution of this utility model is as follows: an angle-adjustable digital media projection device, including a projector, a battery box, a support frame, a rotating shaft, a No. 1 motor, and a fixing frame; the projector is plugged into the front end of the battery box, a support frame is provided below the battery box, a rotating shaft is fixedly connected to the bottom end of the battery box, a No. 1 motor for driving the rotating shaft to rotate is installed inside the support frame, and a fixing frame is provided on the rear side of the support frame, and the fixing frame is installed below the ceiling.

[0007] Preferably, by adding a rotating shaft below the battery box that powers the projector and installing a No. 1 motor inside the support frame, the No. 1 motor drives the rotating shaft to rotate, thereby driving the projector plugged into the front of the battery box to rotate together. The projection angle can be changed according to the projection needs, improving the versatility of the projection device and enhancing the viewing experience of the projected image. The mounting bracket fixes the projector below the ceiling.

[0008] As a preferred option, the support frame has a storage slot, and the No. 1 motor is installed in the storage slot. A support plate is fixedly connected to the output end of the No. 1 motor. The design of the No. 1 storage slot allows the outer wall of the support frame to protect the No. 1 motor and prevent the No. 1 motor from being damaged by external impact.

[0009] Preferably, a fixed plate is fixedly connected to the outside of the rotating shaft, located above the support plate. A stud is fixedly connected to the bottom of the fixed plate, and the stud passes through a hole slot opened on the support plate. A nut is screwed onto the stud at the bottom of the support plate. This fixing method allows the projector and the No. 1 motor to be disassembled, so that it can be easily replaced if one of them fails.

[0010] Preferably, the fixed frame is provided with a lifting groove, and a lifting platform is movably connected in the lifting groove. The lifting platform is fixedly connected to the rear side of the support frame. The height of the support frame fixedly connected to the lifting platform can be changed by moving the lifting platform up and down in the lifting groove.

[0011] Preferably, a threaded rod is inserted into the lifting groove, and a screw hole matching the threaded rod is opened on the lifting platform. A No. 2 motor with its output end connected to the threaded rod is installed at the bottom of the fixed frame. The No. 2 motor drives the threaded rod to rotate. Under the restriction of the lifting groove, the lifting platform screwed to the threaded rod cannot rotate with the threaded rod, but moves up and down along the lifting groove.

[0012] Preferably, the battery box has an interface on the front side, and the projector has a connector that matches the interface fixedly connected to the rear side. The projector has a mounting base with anchoring holes fixedly connected to it. Through the interface and connector, the battery box can provide power to the projector. By passing the screws, which serve as anchors, through the anchoring holes, the projector can be fixed to the front side of the battery box, preventing the connector from falling off from the interface.

[0013] Preferably, batteries are installed in both the battery box and the support frame. The battery box has a No. 1 charging port, and the support frame has a No. 2 charging port. The battery in the battery box provides power to the projector, and the battery in the support frame provides power to motors No. 1 and No. 2. The No. 1 charging port can charge the battery in the battery box, and the No. 2 charging port can charge the battery in the support frame.

[0014] The beneficial effects of this utility model are:

[0015] 1. By improving the existing digital media projection device, a rotating shaft is added below the battery box that powers the projector, and a No. 1 motor is added inside the support frame. The No. 1 motor drives the rotating shaft to rotate, thereby driving the projector plugged into the front of the battery box to rotate together. The projection angle can be changed according to the projection needs, improving the versatility of the projection device and improving the viewing experience of the projected image.

[0016] 2. The hinge is not fixed to the output end of the No. 1 battery. Instead, it is fixed by passing the screws under the fixing plate on the outside of the hinge through the support plate slot on the output end and tightening the nuts. This fixing method allows the projector to be removed from the No. 1 motor for easy maintenance of the projector or the No. 1 motor. Attached Figure Description

[0017] Figure 1 The diagram shown is a first three-dimensional structural schematic of the angle-adjustable digital media projection device of this utility model.

[0018] Figure 2 The diagram shown is a three-dimensional structural schematic of the projector of the angle-adjustable digital media projection device of this utility model.

[0019] Figure 3 The diagram shown is a three-dimensional structural schematic of the battery box of the angle-adjustable digital media projection device of this utility model.

[0020] Figure 4 The diagram shown is a three-dimensional structural schematic of the adjustable angle digital media projection device mounting bracket of this utility model.

[0021] Figure 5 The diagram shown is a three-dimensional structural schematic of the support frame for the angle-adjustable digital media projection device of this utility model.

[0022] Figure 6 The diagram shown is a three-dimensional structural representation of the internal structure of the support frame for the angle-adjustable digital media projection device of this invention.

[0023] Explanation of reference numerals in the attached diagram: 1. Projector; 2. Battery box; 3. Support frame; 4. Rotating shaft; 5. Motor No. 1; 6. Fixing frame; 7. Storage slot; 8. Support plate; 9. Fixing plate; 10. Stud; 11. Lifting slot; 12. Lifting platform; 13. Threaded rod; 14. Motor No. 2; 15. Mounting base; 16. Charging port No. 1; 17. Charging port No. 2. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] Please see Figures 1-6 This utility model provides an embodiment of an angle-adjustable digital media projection device, comprising a projector 1, a battery box 2, a support frame 3, a rotating shaft 4, a primary motor 5, and a fixing frame 6. The projector 1 is plugged into the front end of the battery box 2. The support frame 3 is located below the battery box 2, and the rotating shaft 4 is fixedly connected to the bottom of the battery box 2. The primary motor 5, which drives the rotating shaft 4 to rotate, is installed inside the support frame 3. The fixing frame 6 is located at the rear of the support frame 3 and is installed below the ceiling. By adding the rotating shaft 4 below the battery box 2 that supplies power to the projector 1 and adding the primary motor 5 inside the support frame 3, the primary motor 5 drives the rotating shaft 4 to rotate, thereby driving the projector 1 plugged into the front end of the battery box 2 to rotate together. The projection angle can be changed according to the projection requirements, improving the versatility of the projection device and enhancing the viewing experience of the projected image. The fixing frame 6 fixes the projector 1 below the ceiling.

[0026] Please see Figure 3-Figure 6 In this embodiment, the support frame 3 has a storage slot 7, and the first motor 5 is installed in the storage slot 7. The output end of the first motor 5 is fixedly connected to the support plate 8. The outer side of the rotating shaft 4 is fixedly connected to the fixed plate 9 located above the support plate 8. The bottom end of the fixed plate 9 is fixedly connected to the stud 10, which passes through the hole slot on the support plate 8. The bottom end of the support plate 8 is tightly fitted with a nut screwed onto the stud 10. The fixed frame 6 has a lifting slot 11, and a lifting platform 12 is movably connected in the lifting slot 11. The lifting platform 12 is fixedly connected to the rear side of the support frame 3. A threaded rod 13 is inserted into the lifting slot 11. The lifting platform 12 has a screw hole that matches the threaded rod 13. The bottom end of the fixed frame 6 is equipped with an output... The second motor 14 is connected to the threaded rod 13. The design of the first storage slot 7 allows the outer wall of the support frame 3 to protect the first motor 5, preventing the first motor 5 from being damaged by external impact. This fixing method allows the projector 1 and the first motor 5 to be disassembled, so that they can be easily replaced if one of them fails. The height of the support frame 3 fixedly connected to the lifting platform 12 is changed by moving the lifting platform 12 up and down in the lifting slot 11. The second motor 14 drives the threaded rod 13 to rotate. Under the restriction of the lifting slot 11, the lifting platform 12 screwed on the threaded rod 13 cannot rotate with the threaded rod 13, but moves up and down along the lifting slot 11.

[0027] Please see Figure 2 , Figure 3 , Figure 6 In this embodiment, the battery box 2 has an interface on its front side, and the projector 1 has a connector that matches the interface fixedly connected to its rear side. The projector 1 has a mounting base 15 with anchoring holes fixedly connected to it. Both the battery box 2 and the support frame 3 contain batteries. The battery box 2 has a first charging port 16, and the support frame 3 has a second charging port 17. Through the interface and connector, the battery box 2 can provide power to the projector 1. By passing the screws, which serve as anchors, through the anchoring holes, the projector 1 can be fixed to the front side of the battery box 2, preventing the connector from falling off the interface. The batteries in the battery box 2 provide power to the projector 1, and the batteries in the support frame 3 provide power to the first motor 5 and the second motor 14. The first charging port 16 can charge the batteries in the battery box 2, and the second charging port 17 can charge the batteries in the support frame 3.

[0028] When working, the teacher first turns on the projector 1 using the remote control and projects the image onto the screen. Then, based on the current projection quality, the teacher starts the second motor 14. The second motor 14 drives the threaded rod 13 to rotate. Under the restriction of the lifting groove 11, the lifting platform 12, which is screwed onto the threaded rod 13, cannot rotate with the threaded rod 13, but moves up and down along the lifting groove 11. The first motor 5 is then started, which drives the support plate 8 to rotate. The rotating shaft 4, which is fixed on the support plate 8, drives the projector 1 to rotate, thereby changing the projection angle of the projector 1.

[0029] When projector 1 needs maintenance, the staff first unscrews the nut, then removes battery box 2, inspects motor 5, and then inspects projector 1. If projector 1 has a problem, the anchor in the anchor hole of mounting base 15 is removed, and projector 1 is removed from battery box 2. After the inspection is completed, the connector of projector 1 is aligned with the interface of battery box 2, and projector 1 is plugged into the front end of battery box 2. Then, the screws used as anchors are passed through the anchor holes and screwed into battery box 2 to form a fixation. Then, the stud 10 at the bottom of the fixing plate 9 is passed through the hole slot of support plate 8 and the nut is tightened so that its top is close to the bottom of support plate 8 to form a fixation. The charging cable is connected to charging port 16 and charging port 17 to charge the projection device.

[0030] Through the above steps, the existing digital media projection device is improved by adding a rotating shaft 4 below the battery box 2 that powers the projector 1, and adding a No. 1 motor 5 inside the support frame 3. The No. 1 motor 5 drives the rotating shaft 4 to rotate, thereby driving the projector 1, which is plugged into the front end of the battery box 2, to rotate together. The projection angle can be changed according to the projection needs, improving the versatility of the projection device and improving the viewing experience of the projected image. This solves the problem that the existing digital media projection devices are fixed on the classroom ceiling and do not have the ability to adjust the angle, which affects the viewing experience.

[0031] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. An angle-adjustable digital media projection device, comprising a projector (1) and a battery compartment (2); characterized in that, It also includes a support frame (3), a rotating shaft (4), a No. 1 motor (5), and a fixed frame (6); the projector (1) is plugged into the front end of the battery box (2), a support frame (3) is set below the battery box (2), a rotating shaft (4) is fixedly connected to the bottom of the battery box (2), a No. 1 motor (5) for driving the rotating shaft (4) to rotate is installed inside the support frame (3), a fixed frame (6) is set on the rear side of the support frame (3), and the fixed frame (6) is installed below the ceiling.

2. The angle-adjustable digital media projection device according to claim 1, characterized in that, A storage slot (7) is provided on the support frame (3), and the No. 1 motor (5) is installed in the storage slot (7). A support plate (8) is fixedly connected to the output end of the No. 1 motor (5).

3. The angle-adjustable digital media projection device according to claim 2, characterized in that, A fixed plate (9) located above the support plate (8) is fixedly connected to the outside of the rotating shaft (4). A stud (10) is fixedly connected to the bottom of the fixed plate (9). The stud (10) passes through the slot opened on the support plate (8). A nut screwed onto the stud (10) is tightly attached to the bottom of the support plate (8).

4. The angle-adjustable digital media projection device according to claim 3, characterized in that, A lifting groove (11) is provided on the fixed frame (6), and a lifting platform (12) is movably connected in the lifting groove (11). The lifting platform (12) is fixedly connected to the rear side of the support frame (3).

5. The angle-adjustable digital media projection device according to claim 4, characterized in that, A threaded rod (13) is inserted into the lifting groove (11), and a screw hole matching the threaded rod (13) is opened on the lifting platform (12). A No. 2 motor (14) with its output end connected to the threaded rod (13) is installed at the bottom of the fixing frame (6).

6. The angle-adjustable digital media projection device according to claim 5, characterized in that, The battery box (2) has an interface on the front side, and the projector (1) has a connector that matches the interface fixedly connected to the rear side. The projector (1) has a mounting base (15) with anchoring holes fixedly connected to it.

7. The angle-adjustable digital media projection device according to claim 6, characterized in that, Batteries are installed in both the battery box (2) and the support frame (3). The battery box (2) has a first charging port (16) and the support frame (3) has a second charging port (17).

Images