Demonstration device for practical teaching of computer

Abstract

The utility model discloses a demonstration device for computer practical training teaching, which comprises a storage operation space which is positioned in a middle support cabinet along the space at the rear end of a fixed vertical plate, and a rectangular slot is formed in the upper end surface of a practical training platform along the upper end of the storage operation space; the lifting frame is located in the storage operation space and comprises an upper fixing plate and a lower fixing plate; the driving motor is mounted on the lower end surface in the middle supporting cabinet along the rear end of the fixed vertical plate; the demonstration display screen is mounted at the rear end between the upper fixing plate and the lower fixing plate; the shooting assembly is installed at the front end between the upper fixing plate and the lower fixing plate. The effect of jointly displaying hand operation of a teacher and an actual display picture is achieved, and therefore the problem that learning is incomplete due to the fact that a learner can only understand and learn according to explanation of the teacher and an actual screen display structure is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to computer practical training teaching related technical field especially, it is a demonstration device for computer practical training teaching. BACKGROUND

[0002] With the rapid development of information technology, computers have become an indispensable tool in modern society. Computer practical training teaching, as an important way to cultivate computer professionals, is increasingly valued by the education sector. Computer practical training teaching aims to help students master computer basics, programming skills and software applications through practical operation and practice, thereby improving students' practical ability and overall quality.

[0003] In current computer practical training teaching, traditional teaching methods have been difficult to meet the growing demand for teaching. Traditional teaching methods usually rely on teacher oral explanation and blackboard writing, and students have difficulty in intuitively understanding complex computer operation and principles. In addition, due to the large number of students, teachers have difficulty in taking into account the individual needs of each student, resulting in uneven teaching effectiveness. In order to solve the above problems, computer practical training teaching gradually introduces new teaching methods such as multimedia teaching and online teaching.

[0004] In view of the problems and challenges in computer practical training teaching, it is particularly important to develop a demonstration device that can assist teaching and improve teaching effectiveness.

[0005] When the teacher uses the demonstration device for practical training teaching, the teacher directly operates the keyboard, and the learner cannot clearly watch the teacher's hand operation, but can only understand and learn according to the teacher's explanation and the actual screen presentation structure, which affects the teaching quality and efficiency. To this end, we propose a demonstration device for computer practical training teaching. UTILITY MODEL CONTENT

[0006] An object of the utility model is to solve at least the above problems and provide at least the advantages to be explained later.

[0007] Another object of the utility model is to provide a demonstration device for computer practical training teaching, which realizes the effect of displaying the teacher's hand operation and the actual presentation picture together, thereby effectively avoiding the problem that the learner can only understand and learn according to the teacher's explanation and the actual screen presentation structure, and the learning is not complete.

[0008] To achieve the above objects and some other objects, the utility model adopts the following technical scheme:

[0009] A demonstration device for computer practical training teaching, comprising a practical training table, an operation computer is placed at the front end of the upper end of the practical training table, a middle support cabinet is welded and fixed at the lower end of the practical training table, a fixed vertical plate is fixed in the middle of the middle support cabinet;

[0010] The storage operation space is located in the space along the rear end of the fixed vertical plate inside the intermediate support cabinet, and a rectangular slot is formed in the upper end face of the practical training platform along the upper end of the storage operation space, and the rectangular slot penetrates the practical training platform;

[0011] The lifting frame is located in the storage operation space and includes an upper fixed plate and a lower fixed plate, and the cross-sectional dimensions of the upper fixed plate and the lower fixed plate are the same as the size of the rectangular slot;

[0012] The driving motor is installed at the rear end of the fixed vertical plate along the lower end face inside the intermediate support cabinet, a first bevel gear is installed at the output shaft end of the driving motor, a second bevel gear is meshingly connected on one side of the first bevel gear, threaded rods are fixed on both sides of the second bevel gear, the external threads of the two threaded rods are symmetrical, a sliding block is threadedly connected to the external threads of the threaded rods, a first fixed seat is fixed to the upper end of the sliding block, a rotating lifting rod is pivotally connected in the first fixed seat, and the other end of the rotating lifting rod extends into the second fixed seat and is pivotally connected with the second fixed seat;

[0013] The demonstration display screen is installed at the rear end between the upper fixed plate and the lower fixed plate;

[0014] The shooting assembly is installed at the front end between the upper fixed plate and the lower fixed plate.

[0015] Preferably, limit vertical rods are arranged at the four corners inside the storage operation space, the lower ends of the limit vertical rods are fixed to the lower end face of the intermediate support cabinet, the upper ends of the limit vertical rods extend into the rectangular slot, intermediate fixed tubes are fixed at the four corners between the upper fixed plate and the lower fixed plate, sliding holes are formed in the end faces of the upper fixed plate and the lower fixed plate along the holes in the intermediate fixed tubes, and the intermediate fixed tubes, the upper fixed plate and the lower fixed plate slide along the limit vertical rods.

[0016] Preferably, a fixed base is fixed at the middle of the upper end of the front end of the lower fixed plate, an upper rotating column is pivotally connected to the upper end of the fixed base, a rotating arm is pivotally connected to the upper end inside the upper rotating column through a shaft, a telescopic arm is telescopically connected to one side inside the rotating arm, and a camera is installed at the end of the telescopic arm extending to the outside of the rotating arm.

[0017] Preferably, a plurality of first through holes are formed in the end face of the telescopic arm in an up-down penetrating manner, second through holes are formed in the outer end of the end face of the rotating arm in an up-down penetrating manner, a first limit rod is slidably arranged in the second through hole, and a first compression spring is arranged between the rod head of the first limit rod and the rotating arm along the rod body of the first limit rod.

[0018] Preferably, the outer end of the lower end of the rotating arm is fixed with a third fixed seat, a second intermediate connecting arm is rotatably connected in the third fixed seat through a shaft, a fourth fixed seat is fixed in the middle of the outer side of the upper rotating column, a first intermediate connecting arm is rotatably connected in the fourth fixed seat through a shaft, and the other end of the second intermediate connecting arm extends to the inside of the first intermediate connecting arm and is telescopically connected with the first intermediate connecting arm.

[0019] Preferably, a plurality of third through holes are formed through the front and back of the end face of the second intermediate connecting arm, a fourth through hole is formed through the front and back of the outer end of the end face of the first intermediate connecting arm, a second limiting rod is slidably arranged in the fourth through hole, and a second pressure spring is arranged between the rod head of the second limiting rod and the first intermediate connecting arm along the outside of the rod body of the second limiting rod.

[0020] Preferably, storage cabinets are mounted on both sides of the lower end of the practical training table.

[0021] The utility model at least has following beneficial effects:

[0022] 1、The utility model discloses, the flexible adjustment of lifting frame is realized through the cooperation of drive motor, first bevel gear, second bevel gear and threaded rod, and the stable lifting of lifting frame is realized, so that demonstration display screen can be adjusted flexibly according to the teaching demand, and the teaching of teacher is not hindered in non -use state. And the cooperation of demonstration display screen and shooting assembly, the shooting assembly ensures that the whole picture of the operation area of the hand of teacher and the operation computer screen is shot, and demonstration display screen shows, realize the effect that the hand operation of teacher and actual presentation picture are displayed together, thereby effectively avoid the problem that learner can only understand and learn according to the explanation of teacher and actual screen presentation structure.

[0023] 2、The utility model discloses, the cooperation of upper rotating column, rotating arm, first intermediate connecting arm, second intermediate connecting arm, telescopic arm and camera is realized, and the multi -angle adjustment of shooting range is realized, so that the shooting range adjustment is greater. Teacher can freely adjust the shooting angle and position of camera according to need, ensure that the whole picture of the operation area of the hand of teacher and the operation computer screen is shot, and provide clear, comprehensive operation demonstration for learner.

[0024] 3、The utility model discloses, through setting up limiting vertical rod and intermediate fixed pipe, the lifting process of lifting frame is limited to slide, and the stability and safety of lifting frame are ensured. Meanwhile, the overall structure of device is also simplified, and the operation difficulty is reduced, so that teacher can quickly start and use efficiently.

[0025] 4、The utility model discloses, through the limiting fixing effect of first limiting rod and second limiting rod, the stability of the position of shooting assembly after position adjustment is ensured, and the transmission process of shooting picture is stable.

[0026] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of the computer training demonstration device of this utility model from the main perspective.

[0028] Figure 2 This is a schematic diagram of the overall structure of the computer training and teaching demonstration device from an upward angle.

[0029] Figure 3 This is a top view of the computer training demonstration device of this utility model;

[0030] Figure 4 This is a cross-sectional view at point AA of the computer training demonstration device of this utility model;

[0031] Figure 5 This is a schematic diagram of the internal structure of the storage and operation space of the computer training and teaching demonstration device of this utility model;

[0032] Figure 6 This is a schematic diagram of the reverse structure inside the storage and operation space of the computer training and teaching demonstration device of this utility model.

[0033] Figure 7 This is a schematic diagram of the lifting frame of the computer training demonstration device of this utility model;

[0034] Figure 8 This is a schematic diagram of the shooting component of the computer training demonstration device of this utility model. Detailed Implementation

[0035] The present invention will now be described in detail with reference to the accompanying drawings, so that those skilled in the art can implement it after referring to this specification.

[0036] like Figures 1-8 As shown, a computer training demonstration device includes a training platform 1, an operating computer 7 is placed at the front end of the upper end of the training platform 1, and a middle support cabinet 3 is welded and fixed at the lower end of the training platform 1. A fixed upright plate 4 is fixed inside the middle of the middle support cabinet 3.

[0037] The storage and operation space 6 is located inside the middle support cabinet 3 along the rear end of the fixed upright plate 4. A rectangular slot 5 is provided on the upper surface of the training table 1 along the upper end of the storage and operation space 6, and the rectangular slot 5 penetrates through the training table 1.

[0038] A lifting frame 15 is located in the accommodation operation space 6 and comprises an upper fixed plate 16 and a lower fixed plate 18, the sectional size of the upper fixed plate 16 and the lower fixed plate 18 is the same as the size of the rectangular slot 5;

[0039] A driving motor 9 is installed at the rear end of the fixed vertical plate 4 along the lower end surface of the intermediate support cabinet 3, the output shaft end of the driving motor 9 is provided with a first bevel gear 10, one side of the first bevel gear 10 is engaged with a second bevel gear 11, the second bevel gear 11 is fixed with a threaded rod 12 on both sides, the external threads of the two threaded rods 12 are symmetrical, the threaded rod 12 is externally threadedly connected with a sliding block 13, the upper end of the sliding block 13 is fixed with a first fixed seat 14, the first fixed seat 14 is rotatably connected with a rotating lifting rod 20 through a shaft, the other end of the rotating lifting rod 20 extends into the second fixed seat 19 and is rotatably connected with the second fixed seat 19 through a shaft;

[0040] A demonstration display screen 21 is installed at the rear end between the upper fixed plate 16 and the lower fixed plate 18;

[0041] A shooting assembly 22 is installed at the front end between the upper fixed plate 16 and the lower fixed plate 18.

[0042] In the above scheme, the stable lifting of the lifting frame is realized through the driving of the driving motor, so that the demonstration display screen can be called out according to the teaching needs, and the best visual effect is provided for the learners, and the teaching effect is improved; and in the non-use state, the teaching space is not occupied. And the demonstration display screen combined with the shooting assembly can display the shooting picture of the shooting assembly, which is more beneficial to interactive teaching.

[0043] In one preferred scheme, a limiting vertical rod 8 is arranged at the four corner positions in the accommodation operation space 6, the lower end of the limiting vertical rod 8 is fixed with the lower end surface of the intermediate support cabinet 3, the upper end of the limiting vertical rod 8 extends into the rectangular slot 5, a middle fixed tube 17 is fixed at the four corner positions between the upper fixed plate 16 and the lower fixed plate 18, sliding holes are provided in the end surfaces of the upper fixed plate 16 and the lower fixed plate 18 along the internal holes of the middle fixed tube 17, and the middle fixed tube 17, the upper fixed plate 16 and the lower fixed plate 18 are limited to slide along the limiting vertical rod 8.

[0044] In the above scheme, the arrangement of the limiting vertical rod and the middle fixed tube greatly enhances the stability of the lifting frame, ensures the stability and safety of the lifting frame during lifting, and makes the demonstration device more safe and reliable during use.

[0045] In an preferred embodiment, the middle of the front end of the upper end of the lower fixing plate 18 is fixed with a fixing base 23, the upper end of the fixing base 23 is rotationally connected with an upper rotating column 24, the inside upper end of the upper rotating column 24 is rotationally connected with a rotating arm 25 through a shaft, one side of the inside of the rotating arm 25 is telescopically connected with a telescopic arm 26, one end of the telescopic arm 26 extends to the outside of the rotating arm 25 and is installed with a camera 39.

[0046] In the above scheme, the multi-angle shooting function of the shooting assembly can freely adjust the shooting angle and position of the camera as needed, ensuring that the entire screen of the teacher's hand operation area and the operation computer screen is shot, and providing a clear and comprehensive operation demonstration for the learners.

[0047] In an preferred embodiment, a plurality of first through holes 27 are vertically and horizontally formed on the end face of the telescopic arm 26, a second through hole 28 is vertically and horizontally formed on the outer end of the end face of the rotating arm 25, a first limiting rod 29 is slidably arranged in the second through hole 28, and a first pressure spring 30 is arranged between the rod head of the first limiting rod 29 and the rotating arm 25 along the outer part of the rod body of the first limiting rod 29.

[0048] In the above scheme, the limiting and fixing effect of the first limiting rod can fix the shooting assembly after adjusting the telescopic length, and the shooting process is more stable and accurate.

[0049] In an preferred embodiment, a third fixing base 31 is fixed on the outer end of the lower end of the rotating arm 25, a second intermediate connecting arm 34 is rotationally connected with the third fixing base 31 through a shaft, a fourth fixing base 32 is fixed on the outside of the upper rotating column 24, a first intermediate connecting arm 33 is rotationally connected with the fourth fixing base 32 through a shaft, and the other end of the second intermediate connecting arm 34 extends to the inside of the first intermediate connecting arm 33 and is telescopically connected with the first intermediate connecting arm 33.

[0050] In the above scheme, the other end of the second intermediate connecting arm extends to the inside of the first intermediate connecting arm and is telescopically connected with the first intermediate connecting arm, which can adjust the angle of the rotating arm, so as to ensure that the shooting assembly can freely adjust the shooting angle and position of the camera as needed.

[0051] In an preferred embodiment, a plurality of third through holes 35 are vertically and horizontally formed on the end face of the second intermediate connecting arm 34, a fourth through hole 36 is vertically and horizontally formed on the outer end of the end face of the first intermediate connecting arm 33, a second limiting rod 37 is slidably arranged in the fourth through hole 36, and a second pressure spring 38 is arranged between the rod head of the second limiting rod 37 and the first intermediate connecting arm 33 along the outer part of the rod body of the second limiting rod 37.

[0052] In the above scheme, the limiting and fixing effect of the second limiting rod can fix the shooting angle after adjusting the angle of the rotating arm, so that the shooting assembly is more stable and reliable during the shooting process.

[0053] In a preferred embodiment, the two sides of the lower end of the practical training table 1 are provided with storage cabinets 2.

[0054] In the above embodiment, the design of the storage cabinet provides convenient storage space for the teacher, makes the teaching site more tidy and orderly, and improves the teaching efficiency and quality.

[0055] Although the embodiments of the present application have been disclosed as above, it is not limited to the application listed in the specification and the embodiments, and can be fully applied to various fields suitable for the present application. For those skilled in the art, other modifications can be easily realized, and therefore the present application is not limited to specific details and the figures shown and described herein.

Claims

1. A demonstration device for computer practical teaching, wherein, The utility model provides a practical training platform, including practical training platform, and practical training platform upper end front end places operation computer, and practical training platform lower end welding fixedly has intermediate support cabinet, and intermediate support cabinet inside middle fixedly has fixed vertical plate; The storage operation space is located inside the intermediate support cabinet along the space at the rear end of the fixed vertical plate, and a rectangular slot is formed in the upper end surface of the practical training platform along the storage operation space; The lifting frame is located in the storage operation space and includes an upper fixed plate and a lower fixed plate, and the cross-sectional dimensions of the upper fixed plate and the lower fixed plate are the same as the dimensions of the rectangular slot; The drive motor is installed on the lower end surface inside the intermediate support cabinet along the rear end of the fixed vertical plate, and a first bevel gear is installed on the output shaft end of the drive motor, one side of the first bevel gear is meshed with a second bevel gear, two threaded rods are fixed on both sides of the second bevel gear, the external threads of the two threaded rods are symmetrical, a sliding block is connected to the external threads of the threaded rods, a first fixed seat is fixed on the upper end of the sliding block, a rotating lifting rod is rotatably connected in the first fixed seat, the other end of the rotating lifting rod extends into the second fixed seat and is rotatably connected with the second fixed seat; The demonstration display screen is installed at the rear end between the upper fixed plate and the lower fixed plate; The camera assembly is installed at the front end between the upper fixed plate and the lower fixed plate.

2. The computer practical teaching demonstration device according to claim 1, wherein, Limiting vertical rods are arranged at the four corners inside the storage operation space, the lower ends of the limiting vertical rods are fixed to the lower end surface of the intermediate support cabinet, and the upper ends of the limiting vertical rods extend into the rectangular slot; intermediate fixed tubes are fixed at the four corners between the upper fixed plate and the lower fixed plate, sliding holes are formed in the end surfaces of the upper fixed plate and the lower fixed plate along the holes inside the intermediate fixed tubes, and the intermediate fixed tubes, the upper fixed plate, and the lower fixed plate slide along the limiting vertical rods.

3. The computer practical teaching demonstration apparatus according to claim 1, wherein, A fixed base is fixed to the front end of the upper end of the lower fixed plate, an upper rotating column is rotatably connected to the upper end of the fixed base, a rotating arm is rotatably connected to the upper end inside the upper rotating column, an extension arm is telescopically connected to one side inside the rotating arm, and a camera is installed on the extension arm extending to the outside of the rotating arm.

4. The computer practical teaching demonstration apparatus according to claim 3, wherein, First through holes are formed in the end surface of the extension arm, second through holes are formed in the outer end of the end surface of the rotating arm, a first limiting rod slides in the second through holes, and a first compression spring is arranged between the rod head of the first limiting rod and the rotating arm along the outer part of the first limiting rod.

5. The computer practical teaching demonstration apparatus according to claim 3, wherein, A third fixed seat is fixed to the outer end of the lower end of the rotating arm, a second intermediate connecting arm is rotatably connected in the third fixed seat, a fourth fixed seat is fixed to the outside of the upper rotating column, a first intermediate connecting arm is rotatably connected in the fourth fixed seat, and the other end of the second intermediate connecting arm extends into the first intermediate connecting arm and is telescopically connected with the first intermediate connecting arm.

6. The computer practical teaching demonstration apparatus according to claim 5, wherein, Third through holes are formed in the end surface of the second intermediate connecting arm, fourth through holes are formed in the outer end of the end surface of the first intermediate connecting arm, a second limiting rod slides in the fourth through holes, and a second compression spring is arranged between the rod head of the second limiting rod and the first intermediate connecting arm along the outer part of the second limiting rod.

7. The computer training teaching demonstration apparatus of claim 1, wherein, The lower end of the practical training platform is provided with a storage cabinet on both sides.

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