Teaching-based digital media projection equipment

Abstract

The utility model provides a digital media projection device based on teaching, and relates to the technical field of projectors, the digital media projection device comprises a projector main body and a multifunctional wall-mounted projection mechanism, the top end of the projector main body is provided with the multifunctional wall-mounted projection mechanism, through the arrangement of the multifunctional wall-mounted projection mechanism, a folding plate is rotated and unfolded during use, and the projector main body is supported by the folding plate. A magnetic suction plate or a rubber suction cup is installed in a threaded groove, the projector is made to have various object surfaces through the rubber suction cup, meanwhile, a first folding rod and a second folding rod can be driven to be unfolded at the same time when a turnover connecting plate is turned over, and when the projector is attracted to the object surfaces, traction supporting is conducted on the projector; the angle of inclination of the projector can be quickly adjusted by screwing the adjusting push rod, and in the experiment teaching of a teacher, the photographing and video recording head can be stretched out, the experiment content of the teacher can be photographed, and pictures can be projected through the projector, so that the projector can be used in various teaching environments, and various use modes such as wall hanging, adsorption, placement and the like can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of projectors, in particular to a teaching-based digital media projection device. Background Art

[0002] A projector is a device that can project images or videos onto a flat surface. Nowadays, in interior design learning, multimedia teaching often uses a projector, also known as a projector. It is a device that can project images or videos onto a screen and can be connected to computers, VCDs, DVDs, BDs, game consoles, DVs, etc. through different interfaces to play corresponding video signals.

[0003] After searching, the patent number "CN220249389U" mentioned in the text that "the utility model discloses a multimedia teaching projector for interior design, including a projector body, a pedestal, a foot block and a slot. The corners of the bottom of the projector body are fixedly connected with the foot blocks, and the corners of the top of the pedestal are provided with slots, which are snap-connected with the foot blocks. A telescopic rod is installed at the bottom of the pedestal, and the bottom of the telescopic rod is connected with a bottom box. The bottom of the inner wall of the bottom box is connected with a fixed frame, and a lifting sleeve is fixedly installed in the middle of the fixed frame. The middle of the bottom end of the pedestal is connected with an engine box, and the top of the inner wall of the engine box is fixedly installed with a lifting motor. The output end of the lifting motor is connected with a threaded rod, and the threaded rod is threadedly connected with the lifting sleeve." When in use, the lifting motor drives the telescopic rod to extend and retract, so that the projector can be lifted and lowered, so that the height of the projector can be fine-tuned, which is convenient for changing the height of the projector screen. However, the lifting height is still limited, and the projector usually needs to be projected at a higher position. Therefore, a platform for placing the projector is still required before use, and the overall use still has certain limitations.

[0004] Therefore, we provide a teaching-based digital media projection device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a teaching-based digital media projection device to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a teaching-based digital media projection device, comprising a projector body and a multifunctional wall-mounted projection mechanism, wherein the top of the projector body is provided with a multifunctional wall-mounted projection mechanism;

[0007] The multifunctional wall-mounted projection mechanism includes a magnetic component, a suction cup component, a folding support component, an angle adjustment component and a video recording component. The magnetic component is installed on the top of the projector body, the suction cup component is movably connected to the surface of the magnetic component, the folding support component is arranged on the surface of the projector body, the angle adjustment component is arranged at the rear end of the projector body, and the video recording component is arranged at the front side of the top of the projector body.

[0008] Preferably, the magnetic attraction component includes a rotating connecting pin, a folding connecting plate and a magnetic attraction plate, the top rear side of the projector body is movably connected with a rotating connecting pin, the outer side of the rotating connecting pin is fixedly connected with a folding connecting plate, and the surface of the folding connecting plate is installed with a magnetic attraction plate.

[0009] Preferably, the suction cup assembly comprises a threaded groove and a rubber suction cup, the threaded grooves are provided on both the front and rear sides of the magnetic suction plate, and the rubber suction cup is threadedly connected to the inner side of the threaded groove.

[0010] Preferably, the folding support assembly includes a folding groove, a first folding rod and a second folding rod. A folding groove is opened on the surface of the projector body, a first folding rod is installed on the inner side of the folding groove, the end pin of the first folding rod is connected to the second folding rod, and the second folding rod is connected to the folding connecting plate by a pin.

[0011] Preferably, the angle adjustment assembly includes an adjustment connecting plate, a movable top plate, a tension spring and an adjustment top rod. The rear end of the projector body is fixedly connected to the adjustment connecting plate, the rear end slot of the adjustment connecting plate is connected to the movable top plate, a tension spring is installed between the adjustment connecting plate and the movable top plate, the left and right ends of the adjustment connecting plate are threadedly connected to the adjustment top rod, and the inner side of the movable top plate is arranged in an inclined surface.

[0012] Preferably, the video recording component comprises a flexible connecting tube and a video recording head. The front side of the top end of the projector body is fixedly connected with the flexible connecting tube, and the end of the flexible connecting tube is equipped with the video recording head.

[0013] Preferably, a placement component is provided at the bottom end of the projector body, and the placement component includes an electrically controlled telescopic rod and a placement foot. The electrically controlled telescopic rod is installed at the bottom end of the projector body, and the bottom end slot of the electrically controlled telescopic rod is connected to the placement foot, and the placement foot is made of rubber material.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. Through the setting of the placement component and the operation of the electric telescopic rod, the projector can be placed on the platform and adjusted to different heights and horizontal angles through the electric telescopic rod. At the same time, the rubber placement feet can prevent the projector from sliding during use, thereby increasing the stability of the projector.

[0016] 2. Through the setting of the multifunctional wall-mounted projection mechanism, the folding plate is rotated and unfolded when in use, and the projector is mounted on various surfaces of objects through the magnetic plate or the rubber suction cup is installed in the threaded groove. At the same time, when the folding connecting plate is flipped, the first folding rod and the second folding rod are driven to unfold at the same time. When the projector is adsorbed on the surface of the object, it is pulled and supported. The tilt angle of the projector can be quickly adjusted by twisting the adjustment top rod. During the teacher's experimental teaching, the camera head can be extended to shoot the teacher's experimental content, and the picture is projected through the projector. In this way, the projector can be used in a variety of different teaching environments, meeting various usage methods such as wall hanging, adsorption, and placement, so that students can see the teacher's teaching content more clearly and improve the teacher's teaching quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall expanded structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the magnetic suction component and the suction cup component of the utility model;

[0020] Figure 4 This is a schematic diagram of the angle adjustment component structure of the utility model.

[0021] Numbers in the figure: 1. Projector body; 2. Multifunctional wall-mounted projection mechanism; 21. Magnetic suction assembly; 211. Rotating connecting pin; 212. Folding connecting plate; 213. Magnetic suction plate; 22. Suction cup assembly; 221. Threaded groove; 222. Rubber suction cup; 23. Folding support assembly; 231. Folding groove; 232. First folding rod; 233. Second folding rod; 24. Angle adjustment assembly; 241. Adjusting connecting plate; 242. Movable top plate; 243. Tension spring; 244. Adjusting top rod; 25. Video recording assembly; 251. Flexible connecting tube; 252. Photographic video head; 3. Placement assembly; 31. Electric telescopic rod; 32. Placement foot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] See also Figure 1-4 As shown, the utility model provides a technical solution: a teaching-based digital media projection device, comprising a projector body 1 and a multifunctional wall-mounted projection mechanism 2, wherein the top of the projector body 1 is provided with the multifunctional wall-mounted projection mechanism 2;

[0025] The multifunctional wall-mounted projection mechanism 2 includes a magnetic component 21, a suction cup component 22, a folding support component 23, an angle adjustment component 24 and a video recording component 25. The magnetic component 21 is installed on the top of the projector body 1, and the suction cup component 22 is movably connected to the surface of the magnetic component 21. The folding support component 23 is arranged on the surface of the projector body 1, the angle adjustment component 24 is arranged at the rear end of the projector body 1, and the video recording component 25 is arranged on the front side of the top of the projector body 1.

[0026] Furthermore, the magnetic attraction component 21 includes a rotating connecting pin 211, a folding connecting plate 212 and a magnetic attraction plate 213. The top rear side of the projector body 1 is movably connected with the rotating connecting pin 211, the outer side of the rotating connecting pin 211 is fixedly connected with the folding connecting plate 212, and the surface of the folding connecting plate 212 is installed with the magnetic attraction plate 213. When the folding plate is rotated and unfolded, the entire projector can be quickly adsorbed on a metal object through the magnetic attraction plate 213.

[0027] Furthermore, the suction cup assembly 22 includes a threaded groove 221 and a rubber suction cup 222. The threaded groove 221 is provided on both the front and rear sides of the magnetic suction plate 213. The inner side of the threaded groove 221 is threadedly connected to the rubber suction cup 222. The rubber suction cup 222 is installed in the threaded groove 221. The projector can be adsorbed on the surface of smooth objects such as glass and tiles through the rubber suction cup 222.

[0028] Furthermore, the folding support assembly 23 includes a folding groove 231, a first folding rod 232 and a second folding rod 233. The folding groove 231 is opened on the surface of the projector body 1, and the first folding rod 232 is installed on the inner side of the folding groove 231. The end pin of the first folding rod 232 is connected to the second folding rod 233. The second folding rod 233 and the folding connecting plate 212 are pin-connected. When the folding connecting plate 212 is flipped, the first folding rod 232 and the second folding rod 233 are driven to unfold at the same time. When the projector is adsorbed on the surface of an object, it is pulled and supported to improve the stability of the projector when used.

[0029] Furthermore, the angle adjustment assembly 24 includes an adjusting connecting plate 241, a movable top plate 242, a tension spring 243 and an adjusting top rod 244. The rear end of the projector body 1 is fixedly connected with the adjusting connecting plate 241, the rear end slot of the adjusting connecting plate 241 is connected with the movable top plate 242, a tension spring 243 is installed between the adjusting connecting plate 241 and the movable top plate 242, and the left and right ends of the adjusting connecting plate 241 are both threadedly connected with the adjusting top rod 244. The inner side of the movable top plate 242 is arranged in an inclined surface. After the projector is adsorbed, the adjusting top rod 244 is twisted to move it inward, and the movable top plate 242 is pushed out to change the position of the movable top plate 242, thereby adjusting the tilt angle of the projector.

[0030] Furthermore, the video recording component 25 includes a flexible connecting tube 251 and a video camera 252. The flexible connecting tube 251 is fixedly connected to the front side of the top of the projector body 1, and the video camera 252 is installed at the end of the flexible connecting tube 251. During the teacher's experimental teaching, the video camera 252 can be extended to shoot the teacher's experimental content and project the picture through the projector. Students can watch the experimental process more clearly, thereby improving the accuracy of teaching.

[0031] Embodiment 2

[0032] See also Figure 1 and Figure 2 As shown, compared with Example 1, as another implementation of the utility model, a placement component 3 is provided at the bottom end of the projector body 1, and the placement component 3 includes an electrically controlled telescopic rod 31 and a placement foot 32. The bottom end of the projector body 1 is installed with the electrically controlled telescopic rod 31, and the bottom end slot of the electrically controlled telescopic rod 31 is connected with the placement foot 32. The placement foot 32 is made of rubber material. When the projector does not need to be wall-mounted, it can also be placed on a platform. The height and horizontal angle of the projector can be adjusted by the electrically controlled telescopic rod 31 to increase the diversity of use.

[0033] Working principle: First, a teaching-based digital media projection device is moved to the working position. When in use, the first step is to rotate and unfold the folding plate. The magnetic suction plate 213 can be used to quickly adsorb the entire projector on a metal object, or the rubber suction cup 222 is installed in the threaded groove 221. The rubber suction cup 222 allows the projector to be adsorbed on the surface of smooth objects such as glass and tiles. When the folding connecting plate 212 is turned over, the first folding rod 232 and the second folding rod 233 are driven to unfold at the same time. When the projector is adsorbed on the surface of the object, it is pulled and supported. The second step is to rotate the folding plate 212 to rotate the folding plate 212. , by twisting the adjusting top rod 244 to move it inward, the movable top plate 242 is pushed out to change the position of the movable top plate 242, thereby adjusting the tilt angle of the projector. The third step is that during the teacher's experimental teaching, the camera head 252 can be extended to shoot the teacher's experimental content and project the picture through the projector. The fourth step is that when it is not necessary to use it on the wall, the projector can also be placed on the platform, and the height and horizontal angle of the projector can be adjusted by the electric telescopic rod 31. In this way, the use process of a digital media projection device based on teaching is completed.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A digital media projection device for teaching, comprising a projector body (1) and a multifunctional wall-mounted projection mechanism (2), characterized in that: A multifunctional wall-mounted projection mechanism (2) is provided at the top of the projector body (1); The multifunctional wall-mounted projection mechanism (2) comprises a magnetic attraction component (21), a suction cup component (22), a folding support component (23), an angle adjustment component (24) and a video recording component (25); the magnetic attraction component (21) is installed at the top of the projector body (1); the suction cup component (22) is movably connected to the surface of the magnetic attraction component (21); the folding support component (23) is arranged on the surface of the projector body (1); the angle adjustment component (24) is arranged at the rear end of the projector body (1); and the video recording component (25) is arranged at the front side of the top of the projector body (1).

2. The teaching-based digital media projection device according to claim 1, characterized in that: The magnetic attraction component (21) comprises a rotating connection pin (211), a folding connection plate (212) and a magnetic attraction plate (213); the rotating connection pin (211) is movably connected to the rear side of the top end of the projector body (1); the outer side of the rotating connection pin (211) is fixedly connected to the folding connection plate (212); and the magnetic attraction plate (213) is installed on the surface of the folding connection plate (212).

3. The teaching-based digital media projection device according to claim 2, characterized in that: The suction cup assembly (22) comprises a thread groove (221) and a rubber suction cup (222); the thread groove (221) is provided on both the front and rear sides of the magnetic suction plate (213); and the rubber suction cup (222) is threadedly connected to the inner side of the thread groove (221).

4. The teaching-based digital media projection device according to claim 1, characterized in that: The folding support assembly (23) comprises a folding groove (231), a first folding rod (232) and a second folding rod (233); the surface of the projector body (1) is provided with a folding groove (231); the first folding rod (232) is installed inside the folding groove (231); the end pin of the first folding rod (232) is connected to the second folding rod (233); the second folding rod (233) is connected to the folding connection plate (212) by a pin.

5. The teaching-based digital media projection device according to claim 1, characterized in that: The angle adjustment assembly (24) comprises an adjustment connecting plate (241), a movable top plate (242), a tension spring (243) and an adjustment top rod (244); the rear end of the projector body (1) is fixedly connected to the adjustment connecting plate (241); the rear end slot of the adjustment connecting plate (241) is connected to the movable top plate (242); a tension spring (243) is installed between the adjustment connecting plate (241) and the movable top plate (242); the left and right ends of the adjustment connecting plate (241) are both threadedly connected to the adjustment top rod (244); and the inner side of the movable top plate (242) is arranged in an inclined surface.

6. The teaching-based digital media projection device according to claim 1, characterized in that: The video recording component (25) comprises a flexible connecting tube (251) and a video recording head (252); the front side of the top end of the projector body (1) is fixedly connected with the flexible connecting tube (251); the end of the flexible connecting tube (251) is installed with the video recording head (252).

7. The teaching-based digital media projection device according to claim 1, characterized in that: The bottom end of the projector body (1) is provided with a placement component (3), the placement component (3) comprising an electrically controlled telescopic rod (31) and a placement foot (32), the bottom end of the projector body (1) is provided with an electrically controlled telescopic rod (31), the bottom end slot of the electrically controlled telescopic rod (31) is connected with the placement foot (32), and the placement foot (32) is made of rubber material.

Images