Multimedia presentation equipment
Technical Field
The application belongs to the technical field of multimedia teaching equipment, and particularly relates to multimedia presentation equipment.
Background
Ideological and political education is a social practice activity which is formed by members of society or groups of society and meets the requirements of the society by means of a certain ideological and ideological concept, political view and moral norms and has purposeful, planned and organized influence, and a demonstration device is needed in the process of thinking and political teaching.
The utility model patent with publication number CN216435348U discloses an adjustable multimedia conference teaching integrated machine, which comprises a base, wherein universal wheels are fixed at four corners of the bottom of the base, a bottom groove is fixed in the middle of the top of the base, and a first connecting rod and a second connecting rod are movably arranged in the middle of the bottom groove; according to the utility model, when the first handle is rotated to drive the threaded rod to rotate, the two threaded sleeves are close to the middle part or move to two sides, the first sliding rod can move in the bottom groove, the first sliding rod is limited by the first sliding groove to prevent the first sliding rod from rotating, the second sliding rod can slide in the second sliding groove to prevent the first connecting rod and the second connecting rod from being close to the middle part or move to two sides, when the two threaded sleeves are close to the middle part, the angle between the first connecting rod and the second connecting rod is reduced, the height of the support frame is increased, and when the two threaded sleeves move to two sides, the angle between the first connecting rod and the second connecting rod is increased, the height of the support frame is reduced, so that the effect of adjustable height is achieved.
In the process of realizing the application, the technology is found to have the following problems that the first handle of the device extends to the side outside of the base to influence walking of students or teaching teachers, and the height adjusting mechanism is arranged on the top surface of the base, so that the device is not only attractive, but also is easy to operate privately by the students in class, and therefore, the multimedia presentation device is provided.
Disclosure of utility model
The application aims at: in order to solve the problem that the first handle of the device provided by the above extends to the side of the base to externally influence walking of students or teaching teachers, and the height adjusting mechanism is arranged on the top surface of the base, the device is not attractive, and the device is easy to operate privately by the students in class, and a multimedia presentation device is provided.
The technical scheme adopted by the application is as follows: the utility model provides a multimedia presentation equipment, includes unable adjustment base, unable adjustment base's top surface fixed mounting has U type installation piece, two spacing sliding tray have been seted up to the front side of U type installation piece, and two the inside equal sliding connection of spacing sliding tray has the sliding block, the front end fixed mounting of sliding block has the fixed plate, the front side of U type installation piece is provided with multimedia teaching all-in-one, the rear side fixed mounting of multimedia teaching all-in-one has the mounting bracket, the mounting bracket passes through the bolt fixed mounting of setting in one side of fixed plate, rectangular cavity has been seted up to the inside fixed mounting in rectangular cavity has the rack, one side fixed mounting that the mounting bracket was kept away from to the fixed plate has the connecting plate, the top surface fixed mounting of connecting plate has the motor, the driving end fixed mounting of motor has the gear, the gear is connected with the rack meshing.
In a preferred embodiment, the bottom surface of the fixing plate is fixedly provided with an L-shaped plate, and the top surface of the L-shaped plate is provided with a groove.
In a preferred embodiment, a wireless receiver is fixedly mounted on the top surface of the U-shaped mounting block, and the wireless receiver is electrically connected with the motor.
In a preferred embodiment, the back side of the U-shaped mounting block is fixedly provided with a reinforcing strut, and one end of the reinforcing strut away from the U-shaped mounting block is fixed with the top surface of the fixed base.
In a preferred embodiment, the limit sliding groove is a T-shaped groove, the sliding block is a T-shaped block, and the limit sliding groove is adapted to the sliding block.
In a preferred embodiment, a plurality of movable universal wheels are rotatably connected around the bottom surface of the fixed base.
In summary, due to the adoption of the technical scheme, the beneficial effects of the application are as follows:
1. According to the application, due to the adoption of the scheme, the multimedia teaching integrated machine is used for carrying out various teaching operations such as thinking education, writing, annotating and the like, when the height of the multimedia teaching integrated machine needs to be adjusted, the motor is controlled by the control terminal to start, the motor drives the gear to rotate, the fixing plate and the multimedia teaching integrated machine are conveniently driven to move up and down to adjust the height through the rotation of the gear, the device is simple in structure and convenient to operate, the multimedia teaching integrated machine can be started through the control of the terminal, and the main structure is arranged at the rear side of the fixing plate, so that the device is attractive and does not influence walking personnel.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present application;
FIG. 2 is an exploded view of a portion of the structure of the present application;
Fig. 3 is a schematic view of the structure of the mounting frame of the present application.
The marks in the figure: 1. a fixed base; 2. a U-shaped mounting block; 3. a limit sliding groove; 4. a sliding block; 5. a fixing plate; 6. the multimedia teaching integrated machine; 7. a mounting frame; 8. a rectangular cavity; 9. a rack; 10. a connecting plate; 11. a motor; 12. a gear; 13. an L-shaped plate; 14. a groove; 15. a wireless receiver; 16. reinforcing the support rod; 17. and moving the universal wheel.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions in the embodiments of the present application will be clearly and completely described in the following in conjunction with the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1, 2 and 3, a multimedia presentation apparatus includes a fixed base 1, a plurality of moving universal wheels 17 rotatably connected to the periphery of the bottom surface of the fixed base 1; through the removal universal wheel 17 that sets up, be convenient for drive unable adjustment base 1 and remove, improve the convenience.
Referring to fig. 1 and 2, a U-shaped mounting block 2 is fixedly mounted on the top surface of a fixed base 1, two limit sliding grooves 3 are formed in the front side of the U-shaped mounting block 2, sliding blocks 4 are slidably connected in the two limit sliding grooves 3, in this embodiment, the limit sliding grooves 3 are T-shaped grooves, the sliding blocks 4 are T-shaped blocks, the limit sliding grooves 3 are matched with the sliding blocks 4, and a fixed plate 5 is fixedly mounted at the front end of the sliding blocks 4; the limiting sliding groove 3 is a T-shaped groove, so that the sliding block 4 can slide inside conveniently, and the fixing plate 5 can be driven conveniently to adjust the height of the vertical movement.
Referring to fig. 1, 2 and 3, a multimedia teaching integrated machine 6 is arranged at the front side of the u-shaped mounting block 2, a mounting frame 7 is fixedly arranged at the back side of the multimedia teaching integrated machine 6, and the mounting frame 7 is fixedly arranged at one side of the fixing plate 5 through a set bolt; through the fixed plate 5 that sets up, be convenient for mounting bracket 7 pass through the bolt to be installed in its one side, conveniently install fixedly multimedia teaching all-in-one 6.
Referring to fig. 1 and 2, a rectangular cavity 8 is formed in the inner side wall of the U-shaped mounting block 2, a rack 9 is fixedly mounted in the rectangular cavity 8, a connecting plate 10 is fixedly mounted on one side, away from the mounting frame 7, of the fixing plate 5, a motor 11 is fixedly mounted on the top surface of the connecting plate 10, a gear 12 is fixedly mounted at the driving end of the motor 11, and the gear 12 is in meshed connection with the rack 9; the motor 11 is started by a user, the motor 11 drives the gear 12 to rotate, the gear 12 is meshed with the rack 9, the fixed plate 5 and the multimedia teaching integrated machine 6 are conveniently driven to adjust the height, and students with different heights can conveniently watch the multimedia teaching integrated machine.
Referring to fig. 1, 2 and 3, an L-shaped plate 13 is fixedly installed on the bottom surface of the fixing plate 5, and a groove 14 is formed in the top surface of the L-shaped plate 13; through the recess 14 that sets up, be convenient for teaching mr will draw the painting brush, teaching originally place inside it and deposit the improvement convenient, be located the below of multimedia teaching all-in-one 6 through the one end of L template 13, this kind of design can make fixed plate 5 drive L template 13 and move together when removing the regulation and carry out altitude mixture control for personnel do not need too much bending when placing or taking article.
Referring to fig. 1 and 2, a wireless receiver 15 is fixedly installed on the top surface of the u-shaped installation block 2, and the wireless receiver 15 is electrically connected with a motor 11; the wireless receiver 15 is connected with an external control terminal, and the control terminal is connected with a controller in the hands of a teacher, so that the wireless receiver 15 can receive information numbers and feed back to the controller to control the start and stop of the motor 11 to realize wireless control and save time.
Referring to fig. 1, a reinforcing strut 16 is fixedly mounted on the back side of the U-shaped mounting block 2, and one end of the reinforcing strut 16 away from the U-shaped mounting block 2 is fixed with the top surface of the fixed base 1; through the reinforcement branch 16 that sets up, be convenient for support the reinforcement to U type installation piece 2, improve stability.
The implementation principle of the embodiment of the multimedia presentation device of the application is as follows: the user at first removes unable adjustment base 1 to suitable place, then think political affairs education through multimedia teaching all-in-one machine 6, write, annotate, multiple teaching operations such as, when needs are adjusted the height of multimedia teaching all-in-one machine 6, at first through control terminal control motor 11 start, motor 11 drives gear 12 and rotates, through setting up gear 12's rotation, be convenient for drive fixed plate 5, multimedia teaching all-in-one machine 6 reciprocates and carry out the regulation of height, the device simple structure simple operation, multimedia teaching all-in-one machine 6 can start through terminal control, and main structure installs not only pleasing to the eye still can not cause the influence to the walking personnel at the rear side of fixed plate 5, the practicality is better.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.