CN213777121U

CN213777121U - Large-screen display screen for teaching

Info

Publication number: CN213777121U
Application number: CN202022297806.5U
Authority: CN
Inventors: 罗明发
Original assignee: Hefei Minghang Video Technology Co ltd
Current assignee: Hefei Minghang Video Technology Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-07-23
Anticipated expiration: 2030-10-15

Abstract

The utility model relates to a technical field of teaching equipment specifically is a large screen display is used in teaching, the fixed containing box of locating in one side of bottom plate, the bottom plate is kept away from one side of containing box is equipped with the removal wheel that quantity is four, remove the wheel with rectangular array's form with bottom plate fixed connection, the containing box is kept away from the storage port has been seted up in the middle of one side of bottom plate, the storage port with the containing box communicates mutually, the inside of containing box is equipped with the lifter plate, one side of lifter plate is equipped with the display screen body, the display screen body with the storage port phase-match, below one side of lifter plate is equipped with elevating gear. Has the advantages that: the device simple structure facilitates the operation and uses, great increase the convenience of use, can accomodate the display screen body simultaneously, avoid occuping of space, increased the security that the display screen body was placed simultaneously, be equipped with in the bottom of bottom plate and remove the flexibility that the wheel has increased the removal.

Description

Large-screen display screen for teaching

Technical Field

The utility model relates to a teaching equipment's technical field specifically is a large screen display is used in teaching.

Background

At present, show to the teaching image in-process mostly through the demonstration of shining of projecting apparatus to the teaching image, the vacant space in most classrooms is itself just less, make whole classroom head row very in disorder in the installation that adds the projecting apparatus, it is crowded, not only teacher's teaching is inconvenient, also influenced student's the mood of listening to a lesson to a certain extent, also bring certain inconvenient part for teacher's teaching, make student listen to a lesson and easily produce the mood of fidgeting, in addition, current universal large-screen display device does not carry out the independent design to the base, can not combine removal and storage, inconvenient teaching and study to a certain extent.

Therefore, those skilled in the art provide a large screen display for teaching purpose to solve the problems mentioned in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large screen display is used in teaching to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a large screen display screen for teaching comprises a bottom plate, wherein one side of the bottom plate is fixedly arranged in a containing box, one side of the bottom plate, which is far away from the containing box, is provided with four moving wheels, the moving wheels are fixedly connected with the bottom plate in a rectangular array mode, a containing opening is formed in the middle of one side of the containing box, which is far away from the bottom plate, the containing opening is communicated with the containing box, a lifting plate is arranged inside the containing box, one side of the lifting plate is provided with a display screen body, the display screen body is matched with the containing opening, and a lifting device is arranged on one side below the lifting plate;

the lifting device comprises a scissor frame arranged on one side below the lifting plate, one end of the scissor frame is movably connected with the lifting plate through a movable bolt, movable hinge shafts are arranged at the other two ends of the lifting plate, the other sides of the movable hinge shafts are fixedly connected with nuts, the nuts are in threaded connection through threaded rods, the nuts are in reverse threaded connection with the threaded rods, and one ends of the threaded rods penetrate through the containing box and extend towards the outside of the containing box to be connected with the output end of the motor.

As a further aspect of the present invention: the display screen body with through the base connection between the lifter plate, the both ends of base through mounting screw with lifter plate threaded connection.

As a further aspect of the present invention: the two sides of the lifting plate are both provided with limiting devices, the limiting devices are fixedly arranged on sleeves on two sides of the lifting plate, the sleeves are all sleeved on the sliding rods, and two ends of each sliding rod are fixedly connected with the inner wall of the containing box.

As a further aspect of the present invention: one end of the threaded rod, which is far away from the motor, is connected with the inner wall of the containing box through a bearing seat.

As a further aspect of the present invention: the bottom plate is kept away from one side of containing box is fixed to be equipped with and places the case, the inside of placing the case is equipped with the battery, the battery all with the display screen body with motor electric connection.

As a further aspect of the present invention: damping springs are sleeved on the two sides of the sleeve and located on the sliding rod.

Compared with the prior art, the beneficial effects of the utility model are that: the device simple structure facilitates the operation and uses, great increase the convenience of use, can accomodate the display screen body simultaneously, avoid occuping of space, increased the security that the display screen body was placed simultaneously, be equipped with in the bottom of bottom plate and remove the flexibility that the wheel has increased the removal.

Drawings

FIG. 1 is a schematic structural diagram of a large-screen display screen for teaching;

fig. 2 is a sectional view of a large teaching screen.

In the figure: 1. a base plate; 2. a storage box; 3. a moving wheel; 4. a receiving opening; 5. a lifting plate; 6. a display screen body; 7. a scissor rack; 8. a nut; 9. a threaded rod; 10. a motor; 11. a base; 12. mounting screws; 13. a sleeve; 14. a slide bar; 15. placing a box; 16. a storage battery; 17. a shock absorbing spring.

Detailed Description

Referring to fig. 1-2, in an embodiment of the present invention, a large-screen display screen for teaching includes a bottom plate 1, a storage box 2 is fixedly disposed on one side of the bottom plate 1, four moving wheels 3 are disposed on one side of the bottom plate 1 away from the storage box 2, the moving wheels 3 are fixedly connected to the bottom plate 1 in a rectangular array, a storage opening 4 is disposed in the middle of one side of the storage box 2 away from the bottom plate 1, the storage opening 4 is communicated with the storage box 2, a lifting plate 5 is disposed inside the storage box 2, a display screen body 6 is disposed on one side of the lifting plate 5, the display screen body 6 is matched with the storage opening 4, and a lifting device is disposed on one side below the lifting plate 5;

elevating gear is including locating scissor holder 7 of 5 below one side of lifter plate, and scissor holder 7's one end is through activity bolt and 5 swing joint of lifter plate, and other both ends of lifter plate 5 all are equipped with movable hinge, and the opposite side of activity hinge all with nut 8 fixed connection, through 9 threaded connection of threaded rod between the nut 8, reverse threaded connection between nut 8 and the threaded rod 9, and the one end of threaded rod 9 runs through containing box 2 and is connected with the output of motor 10 to its outside extension.

In fig. 2, the display screen body 6 is connected with the lifting plate 5 through a base 11, and two ends of the base 11 are in threaded connection with the lifting plate 5 through mounting screws 12, so that the display screen body 6 is conveniently connected with the lifting plate 5.

In FIG. 2: the both sides of lifter plate 5 all are equipped with stop device, and stop device is including the fixed sleeve 13 of locating the lifter plate 5 both sides, and on slide bar 14 was all located to sleeve 13 cover, slide bar 14's both ends all with containing box 2's inner wall fixed connection, stop device can play spacing effect to lifter plate 5's lift, has increased the stability of lifter plate 5 lift in-process.

In FIG. 2: the one end that motor 10 was kept away from to threaded rod 9 passes through the bearing frame and is connected with the inner wall of containing box 2, increases threaded rod 9 pivoted stability.

In fig. 1 and 2: the fixed case 15 of placing that is equipped with in one side that storage box 2 was kept away from to bottom plate 1, the inside of placing case 15 is equipped with battery 16, battery 16 all with display screen body 6 and motor 10 electric connection, can provide the electric energy to display screen body 6 and motor 10, increased the convenience of using.

In FIG. 2: the damping springs 17 are sleeved on the two sides of the sleeve 13 and on the sliding rod 14, and can play a damping and buffering role in the lifting process of the lifting plate 5.

The utility model discloses a theory of operation is: when the display screen body 6 needs to be used in the teaching process, firstly, the motor 10 is started, the starting of the motor 10 drives the threaded rod 9 to rotate, the threaded rod 9 rotates to drive the nut 8 to move on the threaded rod 9, the nut 8 is in reverse threaded connection with the threaded rod 9, so that the two nuts 8 move in opposite directions and move in opposite directions, when the nuts 8 move in opposite directions, the scissor holder 7 is driven to stretch, so that the lifting plate 5 can play a role of jacking, the display screen body 6 extends out of the accommodating port, the display screen body 6 extends out, the teaching use is convenient, when the teaching is completed, the screw nuts 8 move in opposite directions, the scissor holder 7 contracts, so that the lifting plate 5 descends, the display screen body 6 is accommodated in the accommodating box 2, and a sealing cover is fixedly arranged at one end of the top of the display screen body 6, thereby can realize the sealed effect to accomodate mouthful 4 to the realization is to the effect of accomodating of display screen body 6, the device simple structure, convenient operation uses, great increase the convenience of use, can accomodate display screen body 6 simultaneously, avoid occuping of space, increased the security that display screen body 6 placed simultaneously, be equipped with in the bottom of bottom plate 1 and remove the flexibility that wheel 3 has increased the removal.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The large-screen display screen for teaching comprises a bottom plate (1) and is characterized in that one side of the bottom plate (1) is fixedly arranged in a containing box (2), one side, far away from the containing box (2), of the bottom plate (1) is provided with four moving wheels (3), the moving wheels (3) are fixedly connected with the bottom plate (1) in a rectangular array mode, a containing opening (4) is formed in the middle of one side, far away from the bottom plate (1), of the containing box (2), the containing opening (4) is communicated with the containing box (2), a lifting plate (5) is arranged inside the containing box (2), one side of the lifting plate (5) is provided with a display screen body (6), the display screen body (6) is matched with the containing opening (4), and one side below the lifting plate (5) is provided with a lifting device;

the lifting device comprises a scissor frame (7) arranged on one side below the lifting plate (5), one end of the scissor frame (7) is movably connected with the lifting plate (5) through a movable bolt, movable hinge shafts are arranged at the other two ends of the lifting plate (5), the other side of each movable hinge shaft is fixedly connected with a nut (8), the nuts (8) are connected through threaded rods (9) in a threaded mode, the nuts (8) are connected with the threaded rods (9) in a reverse threaded mode, and one end of each threaded rod (9) penetrates through the containing box (2) and extends towards the outside to be connected with the output end of the motor (10).

2. The large screen display screen for teaching of claim 1, wherein the display screen body (6) is connected with the lifting plate (5) through a base (11), and two ends of the base (11) are in threaded connection with the lifting plate (5) through mounting screws (12).

3. The large screen display screen for teaching of claim 1, wherein both sides of the lifting plate (5) are provided with a limiting device, the limiting device comprises sleeves (13) fixedly arranged on both sides of the lifting plate (5), the sleeves (13) are all sleeved on a sliding rod (14), and both ends of the sliding rod (14) are fixedly connected with the inner wall of the containing box (2).

4. The large screen display screen for teaching as claimed in claim 1, wherein one end of the threaded rod (9) far away from the motor (10) is connected with the inner wall of the containing box (2) through a bearing seat.

5. The large-screen teaching display screen according to claim 1, wherein a storage box (15) is fixedly arranged on one side of the bottom plate (1) far away from the storage box (2), a storage battery (16) is arranged inside the storage box (15), and the storage battery (16) is electrically connected with the display screen body (6) and the motor (10).

6. The large teaching screen as claimed in claim 3, wherein damping springs (17) are sleeved on the sliding rods (14) at both sides of the sleeve (13).