CN215722185U

CN215722185U - Digital media projection equipment based on teaching

Info

Publication number: CN215722185U
Application number: CN202122262807.0U
Authority: CN
Inventors: 杨柳
Original assignee: Liaoning Vocational College of Light Industry
Current assignee: Liaoning Vocational College of Light Industry
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-01
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a digital media projection device based on teaching, which comprises a fixed seat, wherein a fixed groove is fixedly connected to the fixed seat, a projector is arranged on the fixed groove, a supporting mechanism is arranged on the fixed seat, the supporting mechanism is provided with a first lead screw and a supporting plate, a lifting mechanism is arranged in the fixed groove, the lifting mechanism is provided with a second lead screw and a third lead screw, limiting mechanisms are arranged on two sides of the projector, and limiting plates are arranged on the limiting mechanisms. According to the utility model, through the arrangement of the lifting mechanism, the second servo motor controls the second screw rod and the third screw rod to rotate, the two second nut seats move in the horizontal direction in the opposite direction or in the opposite direction, the two second nut seats drive the two connecting rods to move, the two connecting rods control the movable plate to move in the vertical direction, and further the projector is controlled to synchronously move in the vertical direction, so that the height of the projector is adjusted, and the practicability is enhanced.

Description

Digital media projection equipment based on teaching

Technical Field

The utility model relates to the technical field of teaching equipment, in particular to digital media projection equipment based on teaching.

Background

The teaching aid that the teacher often used at the in-process that carries out the teaching activity is the blackboard, and the teacher carries out writing on it and teaches knowledge for the student, and such teaching mode is inflexible, and easily influences the healthy of teacher because of chalk dust, along with the continuous improvement of education level, can use now to teach based on the teaching device of digital media technique, if adopt the projecting apparatus to teach.

However, the existing teaching projector based on the digital media technology has high cost, and in some poor areas, it is difficult to install the projector in each classroom, so that the projector is generally installed on a movable support, and is convenient to move to different classrooms for use, but the current device is inconvenient for adjusting the height of the projector, and has poor practicability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the above problems, a digital media projection device based on teaching is proposed.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a digital media projection equipment based on teaching, includes the fixing base, fixedly connected with fixed slot on the fixing base, be equipped with the projecting apparatus on the fixed slot, be equipped with supporting mechanism on the fixing base, supporting mechanism is equipped with first lead screw and backup pad, be equipped with elevating system in the fixed slot, elevating system is equipped with second lead screw and third lead screw, the projecting apparatus both sides are equipped with stop gear, stop gear is equipped with the limiting plate.

Preferably, the first lead screw is provided with two first lead screws, two first lead screws are connected with the outer surface wall of the bottom of the fixing seat in a rotating mode, two first sliding rods are fixedly connected onto the outer surface wall of the bottom of the fixing seat, two first lead screws are connected with first nut seats in a threaded mode, two first sliding rods are connected with first sliding barrels in a sliding mode, fixing rods are fixedly connected between the first nut seats and the first sliding barrels, the supporting plate is provided with two supporting plates, the supporting plate is fixedly connected with the first nut seats through a support, and at least four universal wheels are arranged at the bottom of the fixing seat.

Preferably, a rotating shaft is rotatably connected between the inner surface walls of the left side and the right side of the fixing seat, two first bevel gears are fixedly connected to the rotating shaft, second bevel gears are arranged below the two first bevel gears, the first bevel gears are meshed with the second bevel gears, the top ends of the two first lead screws penetrate through the outer surface wall of the bottom of the fixing seat and are fixedly connected with the two second bevel gears, a first servo motor is fixedly connected to the side surface wall of the fixing seat, and an output shaft of the first servo motor penetrates through the fixing seat and is fixedly connected with the rotating shaft.

Preferably, the second lead screw and the third lead screw are respectively connected with the inner surface wall of the left side and the right side of the fixed groove in a rotating manner, the thread directions of the second lead screw and the third lead screw are opposite and are fixedly connected through the fixed block, the fixed groove is internally provided with a movable plate in a sliding manner along the vertical direction, the second lead screw and the third lead screw are respectively connected with a second nut seat in a threaded manner, the second nut seats are respectively connected with a connecting rod in a rotating manner, and the open ends of the two connecting rods are simultaneously connected with the outer surface wall of the bottom of the movable plate in a rotating manner.

Preferably, a second slide rod is fixedly connected between the inner surface walls of the left side and the right side of the fixed groove on the front side and the rear side of the second lead screw and the third lead screw, two second slide rods are slidably connected to the second slide rods, two second nut seats are fixedly connected to the two second slide cylinders through two connecting shafts, a second servo motor is fixedly connected to the side surface wall of the fixed groove, and an output shaft of the second servo motor penetrates through the fixed groove and is fixedly connected with the second lead screw.

Preferably, the bottom of the projector is in contact with the top of the movable plate, support plates are fixedly connected to the outer surface walls of the top of the movable plate on the left side and the right side of the projector, compression springs are fixedly connected to the outer surface walls of one opposite sides of the two support plates, and the open ends of the compression springs are fixedly connected with the limiting plates.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the projector, the second servo motor controls the second screw rod and the third screw rod to rotate through the arrangement of the lifting mechanism, the two second nut seats move in the horizontal direction in the opposite direction or in the opposite direction, the two second nut seats drive the two connecting rods to move, the two connecting rods control the movable plate to move in the vertical direction, and then the projector is controlled to synchronously move in the vertical direction, so that the height of the projector is adjusted, and the practicability is enhanced; through supporting mechanism's setting, after removing projection equipment to relevant position, first servo motor control rotation axis rotates, and the rotation axis drives two first bevel gears and rotates, and because of the meshing effect, two second bevel gears rotate, and two second bevel gears drive two first lead screws and rotate, and two first nut seats move in vertical direction, and then drive two backup pads and carry out synchronous motion, support equipment, strengthen the stability of equipment.

Drawings

FIG. 1 is a schematic diagram illustrating a main structure of a digital media projection apparatus based on teaching according to an embodiment of the present invention;

fig. 2 is a schematic top view of a fixing groove according to an embodiment of the present invention.

Illustration of the drawings:

1. a fixed seat; 2. fixing grooves; 3. a projector; 4. a first lead screw; 5. a support plate; 6. a second lead screw; 7. a third lead screw; 8. a limiting plate; 9. a first slide bar; 10. a first nut seat; 11. a first slide drum; 12. a rotating shaft; 13. a first bevel gear; 14. a second bevel gear; 15. a first servo motor; 16. a movable plate; 17. a second nut seat; 18. a connecting rod; 19. a second slide bar; 20. a second slide drum; 21. a second servo motor; 22. a support plate; 23. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

a digital media projection device based on teaching comprises a fixed seat 1, wherein a fixed groove 2 is fixedly connected on the fixed seat 1, a projector 3 is arranged on the fixed groove 2, a supporting mechanism is arranged on the fixed seat 1 and is provided with a first lead screw 4 and a supporting plate 5, a lifting mechanism is arranged in the fixed groove 2 and is provided with a second lead screw 6 and a third lead screw 7, limiting mechanisms are arranged on two sides of the projector 3 and are provided with limiting plates 8, two first lead screws 4 are arranged, the two first lead screws 4 are rotatably connected with the outer surface wall at the bottom of the fixed seat 1, two first slide bars 9 are fixedly connected on the outer surface wall at the bottom of the fixed seat 1, first nut seats 10 are respectively in threaded connection with the two first lead screws 4, first slide cylinders 11 are respectively in sliding connection with the two first slide bars 9, a fixed rod is fixedly connected between the first nut seats 10 and the first slide cylinders 11, and two supporting plates 5 are arranged, two supporting plates 5 are fixedly connected with a first nut seat 10 through a bracket, at least four universal wheels are arranged at the bottom of a fixed seat 1, a rotating shaft 12 is rotatably connected between the inner surface walls of the left side and the right side of the fixed seat 1, two first bevel gears 13 are fixedly connected on the rotating shaft 12, second bevel gears 14 are respectively arranged below the two first bevel gears 13, the first bevel gears 13 are meshed with the second bevel gears 14, the top ends of two first lead screws 4 penetrate through the outer surface wall of the bottom of the fixed seat 1 and are fixedly connected with the two second bevel gears 14, a first servo motor 15 is fixedly connected on the surface wall of the side of the fixed seat 1, an output shaft of the first servo motor 15 penetrates through the fixed seat 1 and is fixedly connected with the rotating shaft 12, a second lead screw 6 and a third lead screw 7 are respectively rotatably connected with the inner surface walls of the left side and the right side of a fixed groove 2, the thread directions of the second lead screw 6 and the third lead screw 7 are opposite and are fixedly connected through a fixed block, a movable plate 16 is connected in the fixed groove 2 in a sliding manner along the vertical direction, second nut seats 17 are respectively connected on the second lead screw 6 and the third lead screw 7 in a threaded manner, connecting rods 18 are respectively connected on the two second nut seats 17 in a rotating manner, the open ends of the two connecting rods 18 are simultaneously connected with the outer surface wall of the bottom of the movable plate 16 in a rotating manner, second slide rods 19 are respectively and fixedly connected between the inner surface walls of the left side and the right side of the fixed groove 2 at the front side and the rear side of the second lead screw 6 and the third lead screw 7, two second slide cylinders 20 are respectively connected on the two second slide rods 19 in a sliding manner, the two second nut seats 17 are respectively and fixedly connected with the two second slide cylinders 20 through two connecting shafts, a second servo motor 21 is fixedly connected on the outer surface wall of the side of the fixed groove 2, an output shaft of the second servo motor 21 penetrates through the fixed groove 2 and is fixedly connected with the second lead screw 6, the bottom of the projector 3 is contacted with the top of the movable plate 16, and support plates 22 are respectively and fixedly connected on the outer surface walls of the top of the movable plate 16 at the left side and the right side of the projector 3, the outer surface walls of the opposite sides of the two support plates 22 are fixedly connected with compression springs 23, the open ends of the compression springs 23 are fixedly connected with the limiting plate 8, the second servo motor 21 controls the second lead screw 6 and the third lead screw 7 to rotate through the arrangement of the lifting mechanism, the two second nut seats 17 move in the horizontal direction in the opposite direction or in the opposite direction, the two second nut seats 17 drive the two connecting rods 18 to move, the two connecting rods 18 control the movable plate 16 to move in the vertical direction, and further the projector 3 is controlled to synchronously move in the vertical direction, so that the height of the projector 3 is adjusted, and the practicability is enhanced; through the setting of supporting mechanism, after moving projection equipment to relevant position, first servo motor 15 control rotation axis 12 rotates, rotation axis 12 drives two first bevel gears 13 and rotates, because of the meshing effect, two second bevel gears 14 rotate, two second bevel gears 14 drive two first lead screws 4 and rotate, two first nut seat 10 move on vertical direction, and then drive two backup pads 5 and carry out synchronous motion, support equipment, the stability of reinforcing equipment.

Specifically, as shown in fig. 1 and fig. 2, two first lead screws 4 are provided, two first lead screws 4 are rotatably connected to the outer surface wall of the bottom of the fixing base 1, two first slide rods 9 are fixedly connected to the outer surface wall of the bottom of the fixing base 1, two first nut seats 10 are respectively in threaded connection with the two first lead screws 4, two first slide rods 11 are respectively in sliding connection with the two first slide rods 9, a fixing rod is fixedly connected between the first nut seats 10 and the first slide cylinders 11, two support plates 5 are provided, the two support plates 5 are fixedly connected to the first nut seats 10 through brackets, at least four universal wheels are provided at the bottom of the fixing base 1, after the projection apparatus is moved to a corresponding position, the first servo motor 15 controls the rotating shaft 12 to rotate, the rotating shaft 12 drives the two first bevel gears 13 to rotate, due to meshing action, the two second bevel gears 14 rotate, the two second bevel gears 14 drive the two first lead screws 4 to rotate, two first nut seats 10 move in the vertical direction, and then drive two backup pads 5 and carry out synchronous motion, support equipment, strengthen the stability of equipment.

Specifically, as shown in fig. 1 and fig. 2, a rotating shaft 12 is rotatably connected between the left and right inner surface walls of a fixed seat 1, two first bevel gears 13 are fixedly connected to the rotating shaft 12, two second bevel gears 14 are respectively arranged below the two first bevel gears 13, the first bevel gears 13 are meshed with the second bevel gears 14, the top ends of two first lead screws 4 penetrate through the bottom outer surface wall of the fixed seat 1 and are fixedly connected with the two second bevel gears 14, a first servo motor 15 is fixedly connected to the side surface wall of the fixed seat 1, an output shaft of the first servo motor 15 penetrates through the fixed seat 1 and is fixedly connected with the rotating shaft 12, a second lead screw 6 and a third lead screw 7 are respectively rotatably connected with the left and right inner surface walls of a fixed groove 2, the thread directions of the second lead screw 6 and the third lead screw 7 are opposite and are fixedly connected through the fixed block, a movable plate 16 is slidably connected in the fixed groove 2 along the vertical direction, and second nut seats 17 are respectively connected to the second lead screw 6 and the third lead screw 7, the two second nut seats 17 are rotatably connected with connecting rods 18, the open ends of the two connecting rods 18 are rotatably connected with the outer surface wall of the bottom of the movable plate 16, the inner surface walls of the left and right sides of the fixed grooves 2 at the front and back sides of the second screw rod 6 and the third screw rod 7 are fixedly connected with second slide rods 19, the two second slide rods 19 are respectively and slidably connected with two second slide cylinders 20, the two second nut seats 17 are respectively and fixedly connected with the two second slide cylinders 20 through two connecting shafts, the surface wall of the side of the fixed groove 2 is fixedly connected with a second servo motor 21, the output shaft of the second servo motor 21 penetrates through the fixed groove 2 and is fixedly connected with the second screw rod 6, the second servo motor 21 controls the second screw rod 6 and the third screw rod 7 to rotate, the two second nut seats 17 move in the opposite direction or in the opposite direction in the horizontal direction, the two second nut seats 17 drive the two connecting rods 18 to move, two connecting rods 18 control fly leaf 16 and remove in vertical direction, and then control projecting apparatus 3 and carry out synchronous motion in vertical direction, realize the regulation to projecting apparatus 3 height, the reinforcing practicality, 3 bottoms of projecting apparatus and the contact of fly leaf 16 top, equal fixedly connected with extension board 22 on the 16 top outside table walls of fly leaf of the 3 left and right sides of projecting apparatus, equal fixedly connected with compression spring 23 on the outside table wall of one side in two extension boards 22 opposite directions, compression spring 23 open end and limiting plate 8 fixed connection, setting through stop gear, can carry out spacing fixed to projecting apparatus 3, the reinforcing practicality.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a digital media projection equipment based on teaching, includes fixing base (1), fixedly connected with fixed slot (2) on fixing base (1), be equipped with projecting apparatus (3) on fixed slot (2), a serial communication port, be equipped with supporting mechanism on fixing base (1), supporting mechanism is equipped with first lead screw (4) and backup pad (5), be equipped with elevating system in fixed slot (2), elevating system is equipped with second lead screw (6) and third lead screw (7), projecting apparatus (3) both sides are equipped with stop gear, stop gear is equipped with limiting plate (8).

2. The teaching-based digital media projection device as claimed in claim 1, wherein there are two first lead screws (4), the two first lead screws (4) are both rotatably connected to the outer wall of the bottom of the fixed base (1), two first slide rods (9) are fixedly connected to the outer wall of the bottom of the fixed base (1), two first lead screws (4) are both threadedly connected to first nut seats (10), two first slide rods (9) are both slidably connected to first slide barrels (11), a fixing rod is fixedly connected between the first nut seats (10) and the first slide barrels (11), there are two support plates (5), the two support plates (5) are fixedly connected to the first nut seats (10) through brackets, and there are at least four universal wheels at the bottom of the fixed base (1).

3. The digital media projection device based on teaching as claimed in claim 2, wherein a rotating shaft (12) is rotatably connected between the inner surface walls of the left and right sides of the fixed base (1), two first bevel gears (13) are fixedly connected to the rotating shaft (12), two second bevel gears (14) are arranged below the two first bevel gears (13), the first bevel gears (13) are engaged with the second bevel gears (14), the top ends of the two first lead screws (4) penetrate through the outer surface wall at the bottom of the fixed base (1) and are fixedly connected with the two second bevel gears (14), a first servo motor (15) is fixedly connected to the side surface wall of the fixed base (1), and the output shaft of the first servo motor (15) penetrates through the fixed base (1) and is fixedly connected with the rotating shaft (12).

4. The teaching-based digital media projection device according to claim 3, wherein the second lead screw (6) and the third lead screw (7) are rotatably connected to the inner surface walls of the left and right sides of the fixed groove (2), the second lead screw (6) and the third lead screw (7) have opposite thread directions and are fixedly connected through a fixed block, a movable plate (16) is slidably connected to the inside of the fixed groove (2) along the vertical direction, second nut seats (17) are respectively and rotatably connected to the second lead screw (6) and the third lead screw (7), connecting rods (18) are respectively and rotatably connected to the two second nut seats (17), and the open ends of the two connecting rods (18) are simultaneously and rotatably connected to the outer surface wall at the bottom of the movable plate (16).

5. The teaching-based digital media projection device according to claim 4, wherein a second slide rod (19) is fixedly connected between the inner surface walls of the left and right sides of the fixed groove (2) on the front and back sides of the second lead screw (6) and the third lead screw (7), two second slide cylinders (20) are slidably connected on the two second slide rods (19), the two second nut seats (17) are fixedly connected with the two second slide cylinders (20) through two connecting shafts respectively, a second servo motor (21) is fixedly connected on the side surface wall of the fixed groove (2), and an output shaft of the second servo motor (21) penetrates through the fixed groove (2) and is fixedly connected with the second lead screw (6).

6. The digital media projection device based on teaching of claim 5, wherein the bottom of the projector (3) is in contact with the top of the movable plate (16), the outer surface walls of the top of the movable plate (16) on the left and right sides of the projector (3) are both fixedly connected with supporting plates (22), the outer surface walls on the opposite sides of the two supporting plates (22) are both fixedly connected with compression springs (23), and the open ends of the compression springs (23) are fixedly connected with the limiting plates (8).