Portable teaching video playing device
By designing a retractable screen structure and a narrow base for portable teaching video playback devices, the problems of inconvenient device movement and easy screen damage are solved, achieving portability and flexibility of the device, making it convenient for teachers to use in different classrooms.
Patent Information
- Application Number
- CN202520198456.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-02-08
AI Technical Summary
Existing teaching video playback equipment has a large base structure that is not easy to move, and the screen is easily damaged during transportation, which affects the portability and economy of the teaching equipment.
A portable teaching video playback device was designed, which adopts a retractable screen structure and a narrow transport base. The screen can be retracted and unfolded through unfolding components and a slanted plate structure, making it easy to carry and protecting the screen. The mobile base is combined to improve the flexibility of the device.
This technology protects the screen during transportation, improves the portability and flexibility of the equipment, and makes it easier for teaching staff to move and use it between different classrooms.
Smart Images

Figure CN223796816U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to teaching video player carrying technical field, specifically a portable teaching video playing equipment. BACKGROUND
[0002] The teaching video player is a multimedia playing tool specially used in the education field, which is widely used in online education, classroom teaching, remote learning and other scenes, supports high-definition video playing, ensures clear and visible teaching content, improves learning experience, and is designed for video editing and playing software in the education field, supports high-definition video playing and simple video editing function, however, the general video playing equipment is directly fixed in the classroom, which is inconvenient to carry.
[0003] At the same time, the application number for a kind of video teaching integration teaching equipment for CN202323204490.0, including box, curtain reel, display, box inner wall surface is fixedly connected with first rod body, first rod body side wall is slidably connected with second rod body, second rod body side wall is fixedly connected with first support, first support is fixedly connected with projector on it, first plate body is fixedly connected on the upper surface of second rod body, curtain reel is fixedly connected on the upper surface of first plate body, curtain reel stretching end is equipped with curtain hook, second rod body side wall is fixedly connected with first rack, box side wall is fixedly connected with first motor, first motor output end is fixedly connected with first gear, first gear is engaged with first rack;The base structure for playing of above-mentioned a kind of video teaching integration teaching equipment in use process is larger, in mobile, it needs to cooperate many people to push base, and as video display curtain structure or display screen structure needs to keep the state of unfolding, when transporting, it is extremely easy to influence the transportation of curtain, it is easy to hurt the curtain or screen kept unfolded in the process of transportation, cause additional economic loss.
[0004] Therefore, a portable teaching video playing equipment is proposed for the above problems. UTILITY MODEL CONTENT
[0005] To solve the problems in the above background art, the utility model provides a portable teaching video playing equipment, which has a curtain structure that can be stored, cooperates with a relatively narrow transportation base, and is convenient for teaching personnel to carry the video playing equipment for moving.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a portable teaching video playing equipment, including support frame, the top of support frame is fixedly provided with storage rack, the top of storage rack also includes
[0007] The display curtain is fixedly arranged on the outer side of the main frame, and the other end of the display curtain is fixedly arranged with a driven frame which is slidably arranged with the storage rack.
[0008] Preferably, the rear side of the main frame is fixedly arranged with a linkage shaft, the other end of the linkage shaft is rotatably arranged with a guide block, and the outer side of the guide block is slidably arranged with a guide frame which is fixedly arranged with the driven frame.
[0009] Preferably, the inside of the guide frame is provided with a cross groove, the guide block is slidably arranged in the inside of the guide frame, and the rear side of the guide block is fixedly arranged with a sliding shaft which is slidably arranged in the inside of the guide frame.
[0010] Preferably, the bottom end of the driven frame is fixedly arranged with a positioning rod, the inside of the positioning rod is slidably arranged with a damping rod, and the outer side of the damping rod is sleeved with a spring at the middle position.
[0011] Preferably, the inside of the moving base is rotatably arranged with a bidirectional screw rod which penetrates through the fixed block, and the outer side of the bidirectional screw rod is spirally arranged with a sliding block.
[0012] Preferably, the top end of the sliding block is rotatably arranged with an inclined plate which is rotatably arranged with the bottom end of the support frame.
[0013] Preferably, the inside of the top end of the storage rack is provided with a guide groove, and the top end of the storage rack is provided as an anti-falling concave surface.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] 1、The display curtain is stored in the inside of the storage rack, the display curtain is protected during transportation, the narrow structure design of the moving base below can be more flexible, and the display curtain structure is more convenient to carry when the teaching personnel carry the display curtain structure to different classrooms for video playing.
[0016] 2、The inclined plate structure design between the moving base and the support frame can be conveniently adjusted and controlled by the teaching personnel, the storage rack above is lifted to form the unfolded display curtain structure, and the display height of the display curtain is adjusted. DRAWINGS
[0017] Figure 1 It is a whole structure schematic view of the utility model;
[0018] Figure 2 It is the rear view amplification structure schematic view of the unfolding assembly of the utility model;
[0019] Figure 3 It is the installation structure schematic view of the driven frame of the utility model;
[0020] Figure 4 It is the installation structure schematic view of the vertical shaft of the utility model.
[0021] In the drawing: 1, support frame; 2, storage frame;
[0022] 3, unfolding assembly; 301, driving frame; 302, display curtain; 303, driven frame; 304, guide frame; 305, guide block; 306, sliding shaft; 307, linkage shaft; 308, positioning rod; 309, damping rod; 310, spring;
[0023] 4, vertical shaft; 5, fixed block; 6, inclined plate; 7, sliding block; 8, bidirectional screw; 9, moving base; 10, display host. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0025] As Figures 1 to 4 shown, the utility model provides a portable teaching video playing equipment, including support frame 1, support frame 1's top fixedly set with storage frame 2, storage frame 2 top is provided with storage space, is convenient for the storage of display curtain 302, the top of storage frame 2 still includes
[0026] Unfolding assembly 3, unfolding assembly 3 includes the driving frame 301 of rotation setting in the inside of storage frame 2, the outside fixed setting of driving frame 301 with display curtain 302, the other end fixed setting of display curtain 302 with the driven frame 303 of sliding setting of storage frame 2, pulls driven frame 303 and can display curtain 302 is unfolded, and display curtain 302 is unfolded and is shown with video, the bottom fixed setting of support frame 1 with vertical shaft 4, the outside sliding setting of vertical shaft 4 with fixed block 5, the outside fixed setting of fixed block 5 with moving base 9, the corner fixed setting of moving base 9 with display host 10, is connected display curtain 302 with display host 10 and is shown with signal connection, and video is played and is shown.
[0027] Specifically, the rear side of the driving frame 301 is fixedly provided with a linkage shaft 307, the other end of the linkage shaft 307 is rotatably provided with a guide block 305, the outer side of the guide block 305 is slidably provided with a guide frame 304 fixedly provided with the driven frame 303, the linkage shaft 307 can push the guide block 305 at the other end to stably expand in the T-shaped slot of the guide frame 304, the inside of the guide frame 304 is provided with a cross slot, the guide block 305 slides in the inside of the guide frame 304, the rear side of the guide block 305 is fixedly provided with a sliding shaft 306 sliding in the inside of the guide frame 304, the bottom end of the driven frame 303 is fixedly provided with a positioning rod 308, the inside of the positioning rod 308 is slidably provided with a damping rod 309, the outer side of the damping rod 309 is provided with a spring 310, the damping rod 309 can be pushed by the spring 310 on the outer side of the damping rod 309 to control the expansion of the damping rod 309 and support on the top of the storage frame 2.
[0028] The inside of the moving base 9 is rotatably provided with a bidirectional screw 8 penetrating the fixed block 5, the outer side of the bidirectional screw 8 is spirally provided with a sliding block 7, the top end of the sliding block 7 is rotatably provided with an inclined plate 6 rotatably provided with the bottom end of the supporting frame 1, the top end of the storage frame 2 is provided with a guide groove, and the top end of the storage frame 2 is provided as an anti-falling concave surface.
[0029] The display host 10 is connected to the display curtain 302 through a data connection line, and the display is realized on the surface of the display curtain 302 through signal switching, which is prior art and will not be described in detail; meanwhile, the utility model also includes a power supply, a controller, a switch and the like, which are not the main technical points of the patent and will not be described in detail. The wiring diagram of the motor in the utility model belongs to the common knowledge in the field, and its working principle is a known technology. The type is selected according to actual use. Therefore, the control mode and wiring arrangement of the motor will not be explained in detail.
[0030] Working principle and process:
[0031] When the teaching staff transports, the driven frame 303 in the unfolded assembly 3 is pushed close to the driving frame 301, the linkage shaft 307 is rotated to open, the guide block 305 in the T-shaped slot of the driven frame 303 is slid upward through the sliding shaft 306 structure, the driven frame 303 is pulled close to the driving frame 301, thereby completing the storage of the display curtain 302. After the display curtain 302 is stored, the damping rod 309 in the positioning rod 308 is pressed, the spring 310 is compressed and deformed, the positioning rod 308 can be stored in the storage groove of the storage frame 2, the display curtain 302 is stored and protected, so as to avoid damage to the display curtain 302 during transportation. When moving, the universal wheels around the moving base 9 below are moved, and the movement is more convenient.
[0032] After moving to the teaching classroom, the display curtain 302 in the structure of the unfolding assembly 3 is unfolded, after being pulled open, the display host 10 is connected to the structure of the display curtain 302 through the high-definition line, the teaching video content is displayed on the curtain surface through optical reflection, teaching is carried out, in the process of use, the two-way screw rod 8 is rotated according to the placing height of the mobile base 9, the sliding block 7 is controlled to push the top end inclined plate 6 structure to lift, the upper support frame 1 is lifted, the height is raised, the vertical shaft 4 inside the fixed block 5 is guided to rise, the upper support frame 1 and the unfolding assembly 3 are prevented from being deflected, better adjustment is carried out.
[0033] It should be noted that in this document, the terms "first" and "second" and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0034] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A portable teaching video playing device comprising a support frame (1), characterized in that: The top end of the support frame (1) is fixedly provided with a storage frame (2), and the top end of the storage frame (2) further comprises The expansion assembly (3) comprises a driving frame (301) rotatably arranged in the storage frame (2), a display curtain (302) fixedly arranged on the outer side of the driving frame (301), a driven frame (303) fixedly arranged on the other end of the display curtain (302) and slidably arranged in the storage frame (2), a vertical shaft (4) fixedly arranged at the bottom end of the support frame (1), a fixed block (5) slidably arranged on the outer side of the vertical shaft (4), a moving base (9) fixedly arranged on the outer side of the fixed block (5), and a display host (10) fixedly arranged at one corner of the moving base (9).
2. The portable instructional video player device of claim 1, wherein: The rear side of the driving frame (301) is fixedly provided with a linkage shaft (307), the other end of the linkage shaft (307) is rotatably provided with a guide block (305), and the outer side of the guide block (305) is slidably provided with a guide frame (304) fixedly arranged with the driven frame (303).
3. The portable instructional video player device of claim 2, wherein: The inside of the guide frame (304) is provided with a cross groove, the guide block (305) slides in the inside of the guide frame (304), and the rear side of the guide block (305) is fixedly provided with a sliding shaft (306) slidably arranged in the inside of the guide frame (304).
4. The portable instructional video player device of claim 1, wherein: The bottom end of the driven frame (303) is fixedly provided with a positioning rod (308), the inside of the positioning rod (308) is slidably provided with a damping rod (309), and the outer side of the damping rod (309) is sleeved with a spring (310) at the middle position.
5. The portable instructional video player device of claim 1, wherein: The inside of the moving base (9) is rotatably provided with a bidirectional screw rod (8) penetrating through the fixed block (5), and the outer side of the bidirectional screw rod (8) is spirally provided with a sliding block (7).
6. The portable instructional video player device of claim 5, wherein: The top end of the sliding block (7) is rotatably provided with an inclined plate (6) rotatably arranged at the bottom end of the support frame (1).
7. The portable instructional video player device of claim 1, wherein: The inside of the top end of the storage frame (2) is provided with a guide groove, and the top end of the storage frame (2) is provided as an anti-loose concave surface.
Citation Information
Patent Citations
Video teaching integrated teaching equipment
CN221261810U