CN220709795U

CN220709795U - Put in screen

Info

Publication number: CN220709795U
Application number: CN202320783847.6U
Authority: CN
Inventors: 冯铄; 孙晓东
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2024-04-02
Anticipated expiration: 2033-04-11

Abstract

The utility model relates to the technical field of teaching aids, in particular to a putting screen, which comprises a supporting plate, wherein a supporting plate is arranged in an inner cavity of a box body, a connecting column is fixedly connected to the top of the supporting plate, a fixed block is fixedly connected to the top of the connecting column, a movable block is arranged in an inner cavity of the fixed block, a special-shaped shaft is inserted in the inner cavity of the movable block, bearings are fixedly connected to two ends of the special-shaped shaft, the bearings are fixedly connected to the inner cavity of the fixed block, and a motor shaft is fixedly connected to one end, far away from the special-shaped shaft, of the bearings; in the device, after the class, mr accessible driving motor to make the motor shaft drive gear rotation, when gear rotation, can drive the backup pad and move downwards at square groove and box inner chamber, when the backup pad moves downwards, drive to put in the screen and move downwards to box inner chamber and pack up, when avoiding the class classmate playing and playing the alarm time, will put in the screen and knock down, pass through the hinge with box and case lid closure again, avoid the teacher of giving lessons when not, the student opens in the screen privately.

Description

Put in screen

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a delivery screen.

Background

The digital information era has very marked products, especially multimedia, which eliminates the prior simple display information playing mode, combines multidimensional and multi-equipment live-action to create a set of virtual reality experience teaching system, and teachers usually need to demonstrate PPT, courseware and play video in the teaching process, put the contents on a computer on a display screen, synchronize the operations of teaching demonstration, handwriting annotation, electronic whiteboard and the like, and facilitate students to learn.

The following disadvantages also exist in the prior art: most of the existing putting screens are lighter, when a lesson student plays with a game and alarm, the putting screens can be knocked down by the student, the putting screens are fragile, the putting screens can not be used continuously after falling, children can be injured by the falling, when the lesson teacher is not in the process, the students can privately open the putting screens for entertainment, learning is delayed, and normal use of the putting screens can not be continued due to improper operation.

Aiming at the problems, the utility model provides a throwing screen.

Disclosure of Invention

The utility model aims to provide a throwing screen so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a put in screen, includes the box, the box inner chamber is provided with the backup pad, backup pad top fixedly connected with spliced pole, when the backup pad reciprocates, can drive the spliced pole and reciprocate, spliced pole top fixedly connected with fixed block, the fixed block inner chamber is provided with the movable block, the movable block inner chamber is pegged graft there is the dysmorphism axle, drive the movable block and rotate when the dysmorphism axle rotates, the equal fixedly connected with bearing in dysmorphism axle both ends, when the bearing rotates, it rotates to drive the dysmorphism axle, bearing fixed connection is in the fixed block inner chamber, the one end fixedly connected with motor axle of dysmorphism axle is kept away from to the bearing in the fan-shaped activity of fixed block inner chamber, the one end that the bearing was kept away from to the motor axle is installed in the motor output, through driving motor to make the motor axle drive the bearing rotate.

Preferably, the motor outer wall is provided with spacing subassembly, bearing, motor axle, motor and spacing subassembly are provided with two sets of and symmetrical fixed connection at dysmorphism axle both ends altogether.

Preferably, the one end that the fixed block was kept away from to the movable block is fixedly connected with puts in the screen, when the movable block activity was adjusted, drive and put in the activity of screen and adjust.

Preferably, the backup pad bottom is provided with lifting unit, drive lifting unit can drive the backup pad and reciprocate, lifting unit includes the motor, the motor outer wall is provided with spacing cutting ferrule, spacing cutting ferrule can be spacing to the motor, avoids the motor to displace at the during operation, spacing cutting ferrule is provided with two sets of and fixed connection in the backup pad bottom altogether, the motor shaft is installed to the motor output, through driving motor to drive the motor shaft and rotate.

Preferably, one end of the motor shaft, which is far away from the motor, is fixedly connected with a gear, the gear can be driven to rotate when the motor shaft rotates, the gear is connected with a toothed rail in a meshed manner, and when the gear rotates, the gear can move up and down at one end of the toothed rail.

Preferably, the square groove is formed in the inner cavity of the box body, the toothed rail is fixedly connected to the inner cavity of the square groove, when the gear rotates, the supporting plate can be driven to move up and down in the square groove and the inner cavity of the box body, and the lifting assembly is provided with four groups and is symmetrically arranged in the inner cavity of the box body.

Preferably, the top of the box body is provided with a box cover, the box cover is hinged with the box body through a hinge, and the outer wall of the box body is sleeved with an anti-collision sponge sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the device, when class back, mr accessible driving motor to make the motor shaft drive gear rotation, when gear rotation, can drive the backup pad and move downwards at square groove and box inner chamber, when the backup pad moves downwards, drive to put in the screen and move downwards to box inner chamber and pack up, when avoiding class classmates playing and playing the alarm time, will put in the screen and knock down, pass through the hinge with box and case lid closure again, avoid when class mr is not in, the student privately opens and puts in the screen.

2. In the device, through driving the motor to make the motor shaft drive the bearing rotate and the dysmorphism axle rotates, drive the movable block when the dysmorphism axle rotates and rotate the regulation at the fixed block inner chamber, when the movable block activity was adjusted, drive and put in the screen activity and adjust, can close the motor after adjusting to suitable position, avoid part classmates higher or shorter, and lead to seeing not clearly and put in the screen.

Drawings

FIG. 1 is a state diagram of the present utility model in use;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of the structure of the special-shaped shaft of the present utility model;

fig. 4 is a schematic view of the structure of the rack of the present utility model.

In the figure: 1. a case; 2. a support plate; 3. a connecting column; 4. a fixed block; 5. a movable block; 6. a contoured shaft; 7. a bearing; 8. a motor shaft; 9. a motor; 10. a limit component; 11. a screen is put in; 12. a motor; 13. limiting clamping sleeve; 14. a motor shaft; 15. a gear; 16. a toothed rail; 17. a case cover; 18. an anti-collision sponge sleeve; 19. a hinge; 20. and (5) a square groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to 3, an embodiment 1 is illustrated, which comprises a box 1, a supporting plate 2 is arranged in an inner cavity of the box 1, a connecting column 3 is fixedly connected to the top of the supporting plate 2, when the supporting plate 2 moves up and down, the connecting column 3 can be driven to move up and down, a fixed block 4 is fixedly connected to the top of the connecting column 3, a movable block 5 is arranged in the inner cavity of the fixed block 4, a special-shaped shaft 6 is inserted in the inner cavity of the movable block 5, the movable block 5 is driven to rotate when the special-shaped shaft 6 rotates, bearings 7 are fixedly connected to the inner cavity of the fixed block 4, the movable block 5 can be movably adjusted in a fan shape through the bearings 7 and the special-shaped shaft 6 in the inner cavity of the fixed block 4, one end, far away from the special-shaped shaft 6, of the bearing 7 is fixedly connected with a motor shaft 8, one end, far away from the bearing 7, of the motor shaft 8 is mounted at the output end of the motor 9, and the motor 9 is driven by the motor 9, so that the motor shaft 8 drives the bearing 7 to rotate;

referring to fig. 3, a limiting assembly 10 is disposed on an outer wall of the motor 9, and two groups of bearings 7, motor shafts 8, motors 9 and the limiting assembly 10 are disposed and symmetrically and fixedly connected to two ends of the special-shaped shaft 6;

referring to fig. 1 to 3, a delivery screen 11 is fixedly connected to one end of the movable block 5 away from the fixed block 4, and when the movable block 5 is movably adjusted, the delivery screen 11 is driven to be movably adjusted;

in this embodiment, through driving motor 9 to make motor shaft 8 drive bearing 7 rotate with dysmorphism axle 6 rotate, drive movable block 5 when dysmorphism axle 6 rotates and rotate the regulation at fixed block 4 inner chamber, when movable block 5 activity is adjusted, drive and put in screen 11 activity and adjust, can close motor 9 after adjusting suitable position, avoid partial classics higher or shorter, and lead to not seeing clearly and put in screen 11.

Example 2

Referring to fig. 1 to fig. 4 for illustrating an embodiment 2, the embodiment further illustrates an embodiment 1, including a support plate 2, a lifting assembly is disposed at the bottom of the support plate 2, and drives the lifting assembly to drive the support plate 2 to move up and down, the lifting assembly includes a motor 12, a limiting clamping sleeve 13 is disposed on an outer wall of the motor 12, the limiting clamping sleeve 13 can limit the motor 12, so as to avoid displacement of the motor 12 during operation, the limiting clamping sleeves 13 are provided with two groups and are fixedly connected to the bottom of the support plate 2, a motor shaft 14 is mounted at an output end of the motor 12, and the motor shaft 14 is driven to rotate by driving the motor 12;

referring to fig. 1 to 4, a gear 15 is fixedly connected to one end of a motor shaft 14 far away from a motor 12, the gear 15 can be driven to rotate when the motor shaft 14 rotates, a toothed rail 16 is connected to the gear 15 in a meshed manner, and one end of the toothed rail 16 can move up and down when the gear 15 rotates;

referring to fig. 1 to 4, a square groove 20 is formed in an inner cavity of the box body 1, a rack 16 is fixedly connected to the inner cavity of the square groove 20, when a gear 15 rotates, the support plate 2 can be driven to move up and down in the square groove 20 and the inner cavity of the box body 1, and four groups of lifting assemblies are arranged in total and symmetrically arranged in the inner cavity of the box body 1;

referring to fig. 1 to 2, a box cover 17 is arranged at the top of a box body 1, the box cover 17 is hinged with the box body 1 through a hinge 19, the box body 1 and the box cover 17 can be closed through the hinge 19, when a teacher is not in class, the student privately opens a putting screen 11, an anti-collision sponge sleeve 18 is sleeved on the outer wall of the box body 1, the anti-collision sponge sleeve 18 is wrapped on the outer wall of the box body 1, and the phenomenon that students touch the outer wall of the box body 1 to collide with the injury when playing in class is avoided;

in this embodiment, after the lesson, mr's accessible driving motor 12 to make motor shaft 14 drive gear 15 and rotate, when gear 15 rotates, can drive backup pad 2 and move down in square groove 20 and box 1 inner chamber, when backup pad 2 moves down, drive and put in screen 11 and move down to box 1 inner chamber and pack up, pass through hinge 19 with box 1 and case lid 17 again and close, avoid when the teacher is not in lesson, the student is privately opened and is put in screen 11.

The working principle of the embodiment is as follows: when the device is needed to be used, the motor 12 can be driven, so that the motor shaft 14 drives the gear 15 to rotate, when the gear 15 rotates, the supporting plate 2 can be driven to move upwards in the square groove 20 and the inner cavity of the box body 1, when the supporting plate 2 moves upwards until the putting screen 11 completely comes out of the inner cavity of the box body 1, the motor 12 is closed, the motor 9 is started again, the motor shaft 8 drives the bearing 7 to rotate and the special-shaped shaft 6 to rotate, when the special-shaped shaft 6 rotates, the movable block 5 is driven to rotate and adjust in the inner cavity of the fixed block 4, when the movable block 5 moves and adjusts, the putting screen 11 is driven to move and adjust, and when the position is adjusted to a proper position, the motor 9 is closed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a put in screen, includes box (1), its characterized in that: the utility model discloses a motor, including box (1), support plate (2), spliced pole (3) top fixedly connected with fixed block (4), fixed block (4) inner chamber is provided with movable block (5), movable block (5) inner chamber is pegged graft there is dysmorphism axle (6), equal fixedly connected with bearing (7) in dysmorphism axle (6) both ends, bearing (7) fixedly connected with is in fixed block (4) inner chamber, the one end fixedly connected with motor axle (8) of dysmorphism axle (6) are kept away from to bearing (7), the one end that bearing (7) were kept away from to motor axle (8) is installed in motor (9) output.

2. A drop screen as claimed in claim 1, wherein: the motor (9) outer wall is provided with spacing subassembly (10), bearing (7), motor axle (8), motor (9) and spacing subassembly (10) are provided with two sets of and symmetrical fixed connection at special-shaped shaft (6) both ends altogether.

3. A drop screen as claimed in claim 1, wherein: one end of the movable block (5) far away from the fixed block (4) is fixedly connected with a throwing screen (11).

4. A drop screen as claimed in claim 1, wherein: the lifting assembly is arranged at the bottom of the supporting plate (2), the lifting assembly comprises a motor (12), a limiting clamping sleeve (13) is arranged on the outer wall of the motor (12), two groups of limiting clamping sleeves (13) are arranged at the bottom of the supporting plate (2) in a total and fixedly connected mode, and a motor shaft (14) is arranged at the output end of the motor (12).

5. A drop screen as claimed in claim 4, wherein: one end of the motor shaft (14) far away from the motor (12) is fixedly connected with a gear (15), and the gear (15) is connected with a toothed rail (16) in a meshed manner.

6. A drop screen as claimed in claim 5, wherein: square grooves (20) are formed in the inner cavity of the box body (1), the toothed rail (16) is fixedly connected to the inner cavity of the square grooves (20), and the lifting assemblies are arranged in four groups and symmetrically arranged in the inner cavity of the box body (1).

7. A drop screen as claimed in claim 1, wherein: the anti-collision device is characterized in that a box cover (17) is arranged at the top of the box body (1), the box cover (17) is hinged with the box body (1) through a hinge (19), and an anti-collision sponge sleeve (18) is sleeved on the outer wall of the box body (1).